awesome-go-cn/README_EN.md

Awesome Go

This project is awesome-go Chinese version, last sync time : 2020-06-30 07:11:53(Synchronize every day)

financial support to Awesome Go

A curated list of awesome Go frameworks, libraries and software. Inspired by awesome-python。

Icon :

Icon	State
	star > 2000
	There was an update last week。You can basically determine that the current library is in an actively maintained state。
	Not updated in last year。Reflects that the maintenance of the library is not high enthusiasm, use should be careful。
	The project has been archived。
	This project contains Chinese documents。
	godoc document links。

Explain

中文 | English

We have no monthly cost, but we have employees hard working to maintain the Awesome Go, with money raised we can repay the effort of each person involved!

A curated list of awesome Go frameworks, libraries and software. Inspired by awesome-python.

Contributing

Please take a quick gander at the contribution guidelines first. Thanks to all contributors; you rock!

If you see a package or project here that is no longer maintained or is not a good fit, please submit a pull request to improve this file. Thank you!

Contents

• Awesome Go

  • Audio and Music
  • Authentication and OAuth
  • Bot Building
  • Command Line
  • Configuration
  • Continuous Integration
  • CSS Preprocessors
  • Data Structures
  • Database
  • Database Drivers
  • Date and Time
  • Distributed Systems
  • Dynamic DNS
  • Email
  • Embeddable Scripting Languages
  • Error Handling
  • Files
  • Financial
  • Forms
  • Functional
  • Game Development
  • Generation and Generics
  • Geographic
  • Go Compilers
  • Goroutines
  • GUI
  • Hardware
  • Images
  • IoT
  • Job Scheduler
  • JSON
  • Logging
  • Machine Learning
  • Messaging
  • Microsoft Office
    • Microsoft Excel
  • Miscellaneous
    • Dependency Injection
    • Project Layout
    • Strings
    • Uncategorized
  • Natural Language Processing
  • Networking
    • HTTP Clients
  • OpenGL
  • ORM
  • Package Management
  • Performance
  • Query Language
  • Resource Embedding
  • Science and Data Analysis
  • Security
  • Serialization
  • Server Applications
  • Stream Processing
  • Template Engines
  • Testing
  • Text Processing
  • Third-party APIs
  • Utilities
  • UUID
  • Validation
  • Version Control
  • Video
  • Web Frameworks
    • Middlewares
      • Actual middlewares
      • Libraries for creating HTTP middlewares
    • Routers
  • WebAssembly
  • Windows
  • XML

• Tools

  • Code Analysis
  • Editor Plugins
  • Go Generate Tools
  • Go Tools
  • Software Packages
    • DevOps Tools
    • Other Software

• Resources

  • Benchmarks
  • Conferences
  • E-Books
  • Gophers
  • Meetups
  • Twitter
  • Websites
    • Tutorials

Audio and Music

Libraries for manipulating audio.

• Oto star:614 A low-level library to play sound on multiple platforms.
• PortAudio star:377 Go bindings for the PortAudio audio I/O library.
• music-theory star:299 Music theory models in Go.
• waveform star:287 Go package capable of generating waveform images from audio streams.
• portmidi star:239 Go bindings for PortMidi.
• id3v2 star:160 Fast and powerful ID3 decoding and encodung library written completely in Go.
• flac star:126 Native Go FLAC encoder/decoder with support for FLAC streams.
• mix star:123 Sequence-based Go-native audio mixer for music apps.
• mp3 star:110 Native Go MP3 decoder.
• go-sox star:107 libsox bindings for go.
• malgo star:103 Mini audio library.
• taglib star:73 Go bindings for taglib.
• gaad star:70 Native Go AAC bitstream parser.
• minimp3 star:47 Lightweight MP3 decoder library.
• EasyMIDI star:31 EasyMidi is a simple and reliable library for working with standard midi file (SMF).
• go_mediainfo star:30 libmediainfo bindings for go.
• vorbis star:27 "Native" Go Vorbis decoder (uses CGO, but has no dependencies).
• gosamplerate star:10 libsamplerate bindings for go.

Authentication and OAuth

Libraries for implementing authentications schemes.

• jwt-go star:7913 Golang implementation of JSON Web Tokens (JWT).
• casbin star:7062 Authorization library that supports access control models like ACL, RBAC, ABAC.
• oauth2 star:2964 Successor of goauth2. Generic OAuth 2.0 package that comes with JWT, Google APIs, Compute Engine and App Engine support.
• goth star:2807 provides a simple, clean, and idiomatic way to use OAuth and OAuth2. Handles multiple providers out of the box.
• authboss star:2283 Modular authentication system for the web. It tries to remove as much boilerplate and "hard things" as possible so that each time you start a new web project in Go, you can plug it in, configure, and start building your app without having to build an authentication system each time.
• loginsrv star:1631 JWT login microservice with plugable backends such as OAuth2 (Github), htpasswd, osiam.
• osin star:1606 Golang OAuth2 server library.
• go-jose star:1557 Fairly complete implementation of the JOSE working group's JSON Web Token, JSON Web Signatures, and JSON Web Encryption specs.
• go-oauth2-server star:1542 Standalone, specification-compliant, OAuth2 server written in Golang.
• gologin star:1222 chainable handlers for login with OAuth1 and OAuth2 authentication providers.
• gorbac star:1059 provides a lightweight role-based access control (RBAC) implementation in Golang.
• scs star:723 Session Manager for HTTP servers.
• permissions2 star:402 Library for keeping track of users, login states and permissions. Uses secure cookies and bcrypt.
• paseto star:367 Golang implementation of Platform-Agnostic Security Tokens (PASETO).
• jwt star:202 Lightweight JSON Web Token (JWT) library.
• jeff star:192 Simple, flexible, secure and idiomatic web session management with pluggable backends.
• httpauth star:192 HTTP Authentication middleware.
• jwt-auth star:183 JWT middleware for Golang http servers with many configuration options.
• branca star:127 Golang implementation of Branca Tokens.
• session star:102 Go session management for web servers (including support for Google App Engine - GAE).
• sessionup star:88 Simple, yet effective HTTP session management and identification package.
• jwt star:81 Clean and easy to use implementation of JSON Web Tokens (JWT).
• sjwt star:64 Simple jwt generator and parser.
• rbac star:59 Minimalistic RBAC package for Go applications.
• sessions star:52 Dead simple, highly performant, highly customizable sessions service for go http servers.
• securecookie star:38 Efficient secure cookie encoding/decoding.
• sessiongate-go star:8 Go session management using the SessionGate Redis module.
• signedvalue star:8 Signed and timestamped strings compatible with Tornado's create_signed_value, decode_signed_value, and therefore set_secure_cookie and get_secure_cookie.
• go-guardian Go-Guardian is a golang library that provides a simple, clean, and idiomatic way to create powerful modern API and web authentication that supports LDAP, Basic, Bearer token and Certificate based authentication.
• cookiestxt star:4 provides parser of cookies.txt file format.
• scope star:4 Easily Manage OAuth2 Scopes In Go.

Bot Building

Libraries for building and working with bots.

• olivia star:2596 A chatbot built with an artificial neural network.
• telegram-bot-api star:2196 Simple and clean Telegram bot client.
• telebot star:1363 Telegram bot framework written in Go.
• go-chat-bot star:590 IRC, Slack & Telegram bot written in Go.
• go-joe A general-purpose bot library inspired by Hubot but written in Go.
• slacker star:422 Easy to use framework to create Slack bots.
• Kelp star:332 official trading and market-making bot for the Stellar DEX. Works out-of-the-box, written in Golang, compatible with centralized exchanges and custom trading strategies.
• Golang CryptoTrading Bot star:316 A golang implementation of a console-based trading bot for cryptocurrency exchanges.
• tbot star:276 Telegram bot server with API similar to net/http.
• Tenyks star:166 Service oriented IRC bot using Redis and JSON for messaging.
• go-sarah star:163 Framework to build bot for desired chat services including LINE, Slack, Gitter and more.
• hanu star:125 Framework for writing Slack bots.
• go-twitch-irc star:111 Libary to write bots for twitch.tv chat
• go-tgbot star:94 Pure Golang Telegram Bot API wrapper, generated from swagger file, session-based router and middleware.
• margelet star:63 Framework for building Telegram bots.
• slackscot star:30 Another framework for building Slack bots.
• govkbot star:29 Simple Go VK bot library.
• ephemeral-roles star:24 A Discord bot for managing ephemeral roles based upon voice channel member presence.
• micha star:14 Go Library for Telegram bot api.

Command Line

Standard CLI

Libraries for building standard or basic Command Line applications.

• cobra star:17561 Commander for modern Go CLI interactions.
• urfave/cli star:14008 Simple, fast, and fun package for building command line apps in Go (formerly codegangsta/cli).
• kingpin star:2885 Command line and flag parser supporting sub commands.
• Dnote star:1750 A simple command line notebook with multi-device sync.
• go-flags star:1709 go command line option parser.
• readline star:1511 Pure golang implementation that provides most features in GNU-Readline under MIT license.
• docopt.go star:1244 Command-line arguments parser that will make you smile.
• pflag star:1154 Drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags.
• mitchellh/cli star:1153 Go library for implementing command-line interfaces.
• go-arg star:924 Struct-based argument parsing in Go.
• cli-init star:897 The easy way to start building Golang command line applications.
• climax Alternative CLI with "human face", in spirit of Go command.
• complete star:696 Write bash completions in Go + Go command bash completion.
• liner star:683 Go readline-like library for command-line interfaces.
• mow.cli star:675 Go library for building CLI applications with sophisticated flag and argument parsing and validation.
• flaggy star:661 A robust and idiomatic flags package with excellent subcommand support.
• cli star:526 Feature-rich and easy to use command-line package based on golang struct tags.
• ops star:445 Unikernel Builder/Orchestrator.
• argparse star:200 Command line argument parser inspired by Python's argparse module.
• sflags star:116 Struct based flags generator for flag, urfave/cli, pflag, cobra, kingpin and other libraries.
• wmenu star:113 Easy to use menu structure for cli applications that prompts users to make choices.
• commandeer star:112 Dev-friendly CLI apps: sets up flags, defaults, and usage based on struct fields and tags.
• ukautz/clif star:104 Small command line interface framework.
• flag star:103 Simple but powerful command line option parsing library for Go supporting subcommand.
• job star:78 JOB, make your short-term command as a long-term job.
• cli star:74 Simple and complete API for building command line interfaces in Go.
• 1build star:64 Command line tool to frictionlessly manage project-specific commands.
• env star:51 Tag-based environment configuration for structs.
• wlog star:42 Simple logging interface that supports cross-platform color and concurrency.
• hiboot cli cli application framework with auto configuration and dependency injection.
• gocmd star:40 Go library for building command line applications.
• strumt star:37 Library to create prompt chain.
• cmdr star:36 A POSIX/GNU style, getopt-like command-line UI Go library.
• clîr star:34 A Simple and Clear CLI library. Dependency free.
• flagvar star:33 A collection of flag argument types for Go's standard flag package.
• go-getoptions star:25 Go option parser inspired on the flexibility of Perl’s GetOpt::Long.
• argv star:22 Go library to split command line string as arguments array using the bash syntax.
• go-commander star:17 Go library to simplify CLI workflow.
• cmd star:16 Extends the standard flag package to support sub commands and more in idomatic way.
• ts star:11 Timestamp convert & compare tool.
• sand star:10 Simple API for creating interpreters and so much more.

Advanced Console UIs

Libraries for building Console Applications and Console User Interfaces.

• termui star:9943 Go terminal dashboard based on termbox-go and inspired by blessed-contrib.
• gocui star:6387 Minimalist Go library aimed at creating Console User Interfaces.
• gommon/color Style terminal text.
• termbox-go star:3797 Termbox is a library for creating cross-platform text-based interfaces.
• go-prompt star:3055 Library for building a powerful interactive prompt, inspired by python-prompt-toolkit.
• uiprogress star:1667 Flexible library to render progress bars in terminal applications.
• asciigraph star:1368 Go package to make lightweight ASCII line graph ╭┈╯ in command line apps with no other dependencies.
• termdash star:1188 Go terminal dashboard based on termbox-go and inspired by termui.
• uilive star:1151 Library for updating terminal output in realtime.
• progressbar star:1138 Basic thread-safe progress bar that works in every OS.
• mpb star:900 Multi progress bar for terminal applications.
• aurora star:858 ANSI terminal colors that supports fmt.Printf/Sprintf.
• uitable star:567 Library to improve readability in terminal apps using tabular data.
• go-colorable star:441 Colorable writer for windows.
• go-isatty star:430 isatty for golang.
• gookit/color star:389 Terminal color rendering tool library, support 16 colors, 256 colors, RGB color rendering output, compatible with Windows.
• chalk star:334 Intuitive package for prettifying terminal/console output.
• tabby star:267 A tiny library for super simple Golang tables.
• simpletable star:235 Simple tables in terminal with Go.
• go-colortext star:206 Go library for color output in terminals.
• cfmt star:75 Contextual fmt inspired by bootstrap color classes.
• yacspin star:72 Yet Another CLi Spinner package, for working with terminal spinners.
• tabular star:40 Print ASCII tables from command line utilities without the need to pass large sets of data to the API.
• ctc star:21 The non-invasive cross-platform terminal color library does not need to modify the Print method.
• colourize star:18 Go library for ANSI colour text in terminals.
• go-ataman star:8 Go library for rendering ANSI colored text templates in terminals.

Configuration

Libraries for configuration parsing.

• viper star:12675 Go configuration with fangs.
• kelseyhightower/envconfig star:3054 Go library for managing configuration data from environment variables.
• godotenv star:2967 Go port of Ruby's dotenv library (Loads environment variables from .env).
• ini star:2094 Go package to read and write INI files.
• env star:1542 Parse environment variables to Go structs (with defaults).
• konfig star:564 Composable, observable and performant config handling for Go for the distributed processing era.
• confita star:310 Load configuration in cascade from multiple backends into a struct.
• store star:248 Lightweight configuration manager for Go.
• config star:241 Cloud native application configuration. Bind ENV to structs in only two lines.
• config star:230 JSON or YAML configuration wrapper with environment variables and flags parsing.
• hjson star:203 Human JSON, a configuration file format for humans. Relaxed syntax, fewer mistakes, more comments.
• joshbetz/config star:202 Small configuration library for Go that parses environment variables, JSON files, and reloads automatically on SIGHUP.
• koanf star:192 Light weight, extensible library for reading config in Go applications. Built in support for JSON, TOML, YAML, env, command line.
• envconfig star:172 Read your configuration from environment variables.
• gookit/config star:158 application config manage(load,get,set). support JSON, YAML, TOML, INI, HCL. multi file load, data override merge.
• gcfg star:130 read INI-style configuration files into Go structs; supports user-defined types and subsections.
• goConfig star:129 Parses a struct as input and populates the fields of this struct with parameters from command line, environment variables and configuration file.
• fig star:114 Tiny library for reading configuration from a file and from environment variables (with validation & defaults).
• cleanenv star:109 Minimalistic configuration reader (from files, ENV, and wherever you want).
• envh star:96 Helpers to manage environment variables.
• envcfg star:92 Un-marshaling environment variables to Go structs.
• config star:66 A lightweight yet powerful config package for Go projects.
• harvester star:59 Harvester, a easy to use static and dynamic configuration package supportig seeding, env vars and Consul integration.
• gofigure star:58 Go application configuration made easy.
• gone/jconf Modular JSON configuration. Keep you config structs along with the code they configure and delegate parsing to submodules without sacrificing full config serialization.
• xdg star:54 Cross platform package that follows the XDG Standard.
• configure star:54 Provides configuration through multiple sources, including JSON, flags and environment variables.
• configuro star:41 opinionated configuration loading & validation framework from ENV and Files focused towards 12-Factor compliant applications.
• ingo star:31 Flags persisted in an ini-like config file.
• configuration star:28 Library for initializing configuration structs from env variables, files, flags and 'default' tag.
• go-up star:28 A simple configuration library with recursive placeholders resolution and no magic.
• mini star:24 Golang package for parsing ini-style configuration files.
• conflate star:15 Library/tool to merge multiple JSON/YAML/TOML files from arbitrary URLs, validation against a JSON schema, and application of default values defined in the schema.
• genv star:13 Read environment variables easily with dotenv support.
• hocon star:11 Configuration library for working with the HOCON(a human-friendly JSON superset) format, supports features like environment variables, referencing other values, comments and multiple files.
• envconf star:9 Configuration from environment.
• go-ssm-config star:4 Go utility for loading configuration parameters from AWS SSM (Parameter Store).
• nasermirzaei89/env star:2 Simple useful package for read environment variables.
• onion Layer based configuration for Go, Supports JSON, TOML, YAML, properties, etcd, env, and encryption using PGP.
• go-ini star:2 A Go package that marshals and unmarshals INI-files.
• swap star:1 Instantiate/configure structs recursively, based on build environment. (YAML, TOML, JSON and env).

Continuous Integration

Tools for help with continuous integration.

• drone star:21290 Drone is a Continuous Integration platform built on Docker, written in Go.
• CDS star:2955 Enterprise-Grade CI/CD and DevOps Automation Open Source Platform.
• goveralls star:645 Go integration for Coveralls.io continuous code coverage tracking system.
• overalls star:104 Multi-Package go project coverprofile for tools like goveralls.
• duci star:57 A simple ci server no needs domain specific languages.
• gomason star:49 Test, Build, Sign, and Publish your go binaries from a clean workspace.
• roveralls star:13 Recursive coverage testing tool.

CSS Preprocessors

Libraries for preprocessing CSS files.

• gcss star:434 Pure Go CSS Preprocessor.
• go-libsass star:157 Go wrapper to the 100% Sass compatible libsass project.

Data Structures

Generic datastructures and algorithms in Go.

• gods star:8490 Go Data Structures. Containers, Sets, Lists, Stacks, Maps, BidiMaps, Trees, HashSet etc.
• go-datastructures star:5624 Collection of useful, performant, and thread-safe data structures.
• golang-set star:1554 Thread-Safe and Non-Thread-Safe high-performance sets for Go.
• gota star:1272 Implementation of dataframes, series, and data wrangling methods for Go.
• boomfilters star:1265 Probabilistic data structures for processing continuous, unbounded streams.
• roaring star:866 Go package implementing compressed bitsets.
• willf/bloom star:836 Go package implementing Bloom filters.
• hyperloglog star:704 HyperLogLog implementation with Sparse, LogLog-Beta bias correction and TailCut space reduction.
• cuckoofilter star:636 Cuckoo filter: a good alternative to a counting bloom filter implemented in Go.
• bitset star:574 Go package implementing bitsets.
• trie star:482 Trie implementation in Go.
• gocache star:456 A complete Go cache library with mutiple stores (memory, memcache, redis, ...), chainable, loadable, metrics cache and more.
• algorithms star:404 Algorithms and data structures.CLRS study.
• go-geoindex star:320 In-memory geo index.
• mafsa star:282 MA-FSA implementation with Minimal Perfect Hashing.
• goskiplist star:215 Skip list implementation in Go.
• hilbert star:200 Go package for mapping values to and from space-filling curves, such as Hilbert and Peano curves.
• merkletree star:199 Implementation of a merkle tree providing an efficient and secure verification of the contents of data structures.
• deque star:153 Fast ring-buffer deque (double-ended queue).
• ttlcache star:143 In-memory LRU string-interface{} map with expiration for golang.
• go-adaptive-radix-tree star:139 Go implementation of Adaptive Radix Tree.
• binpacker star:138 Binary packer and unpacker helps user build custom binary stream.
• bloom star:132 Bloom filters implemented in Go.
• skiplist star:126 Very fast Go Skiplist implementation.
• iter star:120 Go implementation of C++ STL iterators and algorithms.
• gostl star:113 Data structure and algorithm library for go, designed to provide functions similar to C++ STL.
• ring star:109 Go implementation of a high performance, thread safe bloom filter.
• go-rquad star:103 Region quadtrees with efficient point location and neighbour finding.
• encoding star:102 Integer Compression Libraries for Go.
• bit star:89 Golang set data structure with bonus bit-twiddling functions.
• conjungo star:87 A small, powerful and flexible merge library.
• levenshtein star:86 Implementation to calculate levenshtein distance in Go.
• goconcurrentqueue star:84 Concurrent FIFO queue.
• skiplist star:70 Skiplist implementation in Go.
• bloom star:54 Golang Bloom filter implementation.
• go-mcache star:51 Fast in-memory key:value store/cache library. Pointer caches.
• remember-go star:51 A universal interface for caching slow database queries (backed by redis, memcached, ristretto, or in-memory).
• count-min-log star:46 Go implementation Count-Min-Log sketch: Approximately counting with approximate counters (Like Count-Min sketch but using less memory).
• levenshtein star:43 Levenshtein distance and similarity metrics with customizable edit costs and Winkler-like bonus for common prefix.
• crunch star:28 Go package implementing buffers for handling various datatypes easily.
• concurrent-writer star:27 Highly concurrent drop-in replacement for bufio.Writer.
• pipeline star:24 An implementation of pipelines with fan-in and fan-out.
• goset star:23 A useful Set collection implementation for Go.
• typ star:20 Null Types, Safe primitive type conversion and fetching value from complex structures.
• hide star:20 ID type with marshalling to/from hash to prevent sending IDs to clients.
• deque star:18 A highly optimized double-ended queue.
• go-ef star:14 A Go implementation of the Elias-Fano encoding.
• dict star:13 Python-like dictionaries (dict) for Go.
• timedmap star:10 Map with expiring key-value pairs.
• null star:10 Nullable Go types that can be marshalled/unmarshalled to/from JSON.
• ptrie star:10 An implementation of prefix tree.
• treap star:9 Persistent, fast ordered map using tree heaps.
• mspm star:9 Multi-String Pattern Matching Algorithm for information retrieval.
• set star:7 Simple set data structure implementation in Go using LinkedHashMap.
• gofal star:7 fractional api for Go.
• parsefields star:4 Tools for parse JSON-like logs for collecting unique fields and events.

Database

Databases implemented in Go.

• prometheus star:31535 Monitoring system and time series database.
• tidb star:24116 TiDB is a distributed SQL database. Inspired by the design of Google F1.
• influxdb star:19117 Scalable datastore for metrics, events, and real-time analytics.
• cockroach star:18404 Scalable, Geo-Replicated, Transactional Datastore.
• dgraph star:13460 Scalable, Distributed, Low Latency, High Throughput Graph Database.
• groupcache star:8860 Groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.
• badger star:7822 Fast key-value store in Go.
• rqlite star:5989 The lightweight, distributed, relational database built on SQLite.
• BigCache star:4030 Efficient key/value cache for gigabytes of data.
• go-cache star:3976 In-memory key:value store/cache (similar to Memcached) library for Go, suitable for single-machine applications.
• goleveldb star:3779 Implementation of the LevelDB key/value database in Go.
• bbolt star:3386 An embedded key/value database for Go.
• ledisdb star:3329 Ledisdb is a high performance NoSQL like Redis based on LevelDB.
• buntdb star:2832 Fast, embeddable, in-memory key/value database for Go with custom indexing and spatial support.
• VictoriaMetrics star:2597 fast, resource-effective and scalable open source time series database. May be used as long-term remote storage for Prometheus. Supports PromQL.
• tiedot star:2504 Your NoSQL database powered by Golang.
• cache2go star:1314 In-memory key:value cache which supports automatic invalidation based on timeouts.
• nutsdb star:1277 Nutsdb is a simple, fast, embeddable, persistent key/value store written in pure Go. It supports fully serializable transactions and many data structures such as list, set, sorted set.
• GCache star:1167 Cache library with support for expirable Cache, LFU, LRU and ARC.
• CovenantSQL star:1059 CovenantSQL is a SQL database on blockchain.
• diskv star:908 Home-grown disk-backed key-value store.
• fastcache star:810 fast thread-safe inmemory cache for big number of entries. Minimizes GC overhead.
• moss star:762 Moss is a simple LSM key-value storage engine written in 100% Go.
• eliasdb star:574 Dependency-free, transactional graph database with REST API, phrase search and SQL-like query language.
• pogreb star:560 Embedded key-value store for read-heavy workloads.
• levigo star:387 Levigo is a Go wrapper for LevelDB.
• Bitcask star:383 Bitcask is an embeddable, persistent and fast key-value (KV) database written in pure Go with predictable read/write performance, low latency and high throughput thanks to the bitcask on-disk layout (LSM+WAL).
• pudge star:268 Fast and simple key/value store written using Go's standard library.
• Vasto star:181 A distributed high-performance key-value store. On Disk. Eventual consistent. HA. Able to grow or shrink without service interruption.
• Kivik star:180 Kivik provides a common Go and GopherJS client library for CouchDB, PouchDB, and similar databases.
• piladb star:177 Lightweight RESTful database engine based on stack data structures.
• Scribble star:102 Tiny flat file JSON store.
• slowpoke star:97 Key-value store with persistence.
• Databunker star:59 Personally identifiable information (PII) storage service built to comply with GDPR and CCPA.
• cache star:57 In-memory key:value store with expiration time, 0 dependencies, <100 LoC, 100% coverage.
• bcache star:50 Eventually consistent distributed in-memory cache Go library.
• couchcache star:47 RESTful caching micro-service backed by Couchbase server.
• clusteredBigCache star:34 BigCache with clustering support and individual item expiration.
• unitdb star:30 Fast timeseries database for IoT, realtime messaging applications. Access unitdb with pubsub over tcp or websocket using github.com/unit-io/unitd application.
• Coffer star:20 Simple ACID key-value database that supports transactions.
• tempdb star:14 Key-value store for temporary items.
• gorocksdb star:12 Gorocksdb is a wrapper for RocksDB written in Go.
• gostore star:4 Gostore is a simple, durable, embedded key-value storage engine written in Go.

Database schema migration.

• migrate star:4604 Database migrations. CLI and Golang library.
• sql-migrate star:1785 Database migration tool. Allows embedding migrations into the application using go-bindata.
• skeema star:683 Pure-SQL schema management system for MySQL, with support for sharding and external online schema change tools.
• soda Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.
• gormigrate star:463 Database schema migration helper for Gorm ORM.
• goose star:140 Database migration tool. You can manage your database's evolution by creating incremental SQL or Go scripts.
• darwin star:103 Database schema evolution library for Go.
• migrator star:97 Dead simple Go database migration library.
• go-pg-migrations star:54 A Go package to help write migrations with go-pg/pg.
• gondolier star:32 Database migration library using struct decorators.
• go-fixtures star:24 Django style fixtures for Golang's excellent built-in database/sql library.
• pravasan star:24 Simple Migration tool - currently for MySQL but planning to soon support Postgres, SQLite, MongoDB, etc.
• avro star:14 Discover SQL schemas and convert them to AVRO schemas. Query SQL records into AVRO bytes.
• schema star:5 Library to embed schema migrations for database/sql-compatible databases inside your Go binaries.

Database tools.

• vitess star:10279 vitess provides servers and tools which facilitate scaling of MySQL databases for large scale web services.
• pgweb star:6425 Web-based PostgreSQL database browser.
• kingshard star:5253 kingshard is a high performance proxy for MySQL powered by Golang.
• orchestrator star:3616 MySQL replication topology manager & visualizer.
• go-mysql-elasticsearch star:2980 Sync your MySQL data into Elasticsearch automatically.
• go-mysql star:2503 Go toolset to handle MySQL protocol and replication.
• pREST star:2303 Serve a RESTful API from any PostgreSQL database.
• chproxy star:431 HTTP proxy for ClickHouse database.
• clickhouse-bulk star:209 Collects small insterts and sends big requests to ClickHouse servers.
• myreplication star:160 MySql binary log replication listener. Supports statement and row based replication.
• octillery star:84 Go package for sharding databases ( Supports every ORM or raw SQL ).
• dbbench star:42 Database benchmarking tool with support for several databases and scripts.
• prep star:25 Use prepared SQL statements without changing your code.
• datagen star:21 A fast data generator that's multi-table aware and supports multi-row DML.
• rwdb star:11 rwdb provides read replica capability for multiple database servers setup.
• bucket star:6 Optimized data structure framework for Couchbase specialized on one bucket usage.

SQL query builder, libraries for building and using SQL.

• Squirrel star:3100 Go library that helps you build SQL queries.
• xo star:2494 Generate idiomatic Go code for databases based on existing schema definitions or custom queries supporting PostgreSQL, MySQL, SQLite, Oracle, and Microsoft SQL Server.
• gendry star:1012 Non-invasive SQL builder and powerful data binder.
• goqu star:799 Idiomatic SQL builder and query library.
• Dotsql star:541 Go library that helps you keep sql files in one place and use them with ease.
• ozzo-dbx star:480 Powerful data retrieval methods as well as DB-agnostic query building capabilities.
• jet star:280 Framework for writing type-safe SQL queries in Go, with ability to easily convert database query result into desired arbitrary object structure.
• sqrl star:212 SQL query builder, fork of Squirrel with improved performance.
• Squalus Thin layer over the Go SQL package that makes it easier to perform queries.
• dbq star:192 Zero boilerplate database operations for Go.
• igor star:82 Abstraction layer for PostgreSQL that supports advanced functionality and uses gorm-like syntax.
• godbal star:51 Database Abstraction Layer (dbal) for go. Support SQL builder and get result easily.
• buildsqlx star:16 Go database query builder library for PostgreSQL.
• sqlf star:10 Fast SQL query builder.
• qry star:9 Tool that generates constants from files with raw SQL queries.
• ormlite Lightweight package containing some ORM-like features and helpers for sqlite databases.
• mpath star:4 MPTT (Modified Preorder Tree Traversal) package for SQL records - materialized path realisation.
• gosql star:2 SQL Query builder with better null values support.

Database Drivers

Libraries for connecting and operating databases.

• Relational Databases

  • go-sql-driver/mysql star:9650 MySQL driver for Go.
  • pq star:5975 Pure Go Postgres driver for database/sql.
  • go-sqlite3 star:4151 SQLite3 driver for go that uses database/sql.
  • pgx star:2823 PostgreSQL driver supporting features beyond those exposed by database/sql.
  • go-mssqldb star:1218 Microsoft MSSQL driver for Go.
  • go-oci8 star:471 Oracle driver for go that uses database/sql.
  • goracle star:282 Oracle driver for Go, using the ODPI-C driver.
  • firebirdsql star:127 Firebird RDBMS SQL driver for Go.
  • go-adodb star:108 Microsoft ActiveX Object DataBase driver for go that uses database/sql.
  • gofreetds star:98 Microsoft MSSQL driver. Go wrapper over FreeTDS.
  • avatica star:53 Apache Avatica/Phoenix SQL driver for database/sql.
  • bgc star:14 Datastore Connectivity for BigQuery for go.
  • Sqinn-Go star:5 SQLite with pure Go.

• NoSQL Databases

  • redis star:9101 Redis client for Golang.
  • redigo star:7542 Redigo is a Go client for the Redis database.
  • mongo-go-driver star:4553 Official MongoDB driver for the Go language.
  • mgo star:1802 (unmaintained) MongoDB driver for the Go language that implements a rich and well tested selection of features under a very simple API following standard Go idioms.
  • gorethink star:1523 Go language driver for RethinkDB.
  • redeo star:372 Redis-protocol compatible TCP servers/services.
  • neoism star:368 Neo4j client for Golang.
  • aerospike-client-go star:328 Aerospike client in Go language.
  • gocb star:317 Official Couchbase Go SDK.
  • gocql Go language driver for Apache Cassandra.
  • go-couchbase star:301 Couchbase client in Go.
  • mgm star:141 MongoDB model-based ODM for Go (based on official MongoDB driver).
  • go-rejson star:133 Golang client for redislabs' ReJSON module using Redigo golang client. Store and manipulate structs as JSON objects in redis with ease.
  • godis star:78 redis client implement by golang, inspired by jedis.
  • Neo4j-GO star:75 Neo4j REST Client in golang.
  • dynago star:68 Dynago is a principle of least surprise client for DynamoDB.
  • arangolite star:66 Lightweight golang driver for ArangoDB.
  • go-pilosa star:38 Go client library for Pilosa.
  • forestdb star:28 Go bindings for ForestDB.
  • goriak star:25 Go language driver for Riak KV.
  • neo4j star:25 Neo4j Rest API Bindings for Golang.
  • xredis star:10 Typesafe, customizable, clean & easy to use Redis client.
  • godscache star:7 A wrapper for the Google Cloud Platform Go Datastore package that adds caching using memcached.
  • gomemcache memcache client library for the Go programming language.
  • asc star:4 Datastore Connectivity for Aerospike for go.

• Search and Analytic Databases.

  • bleve star:6658 Modern text indexing library for go.
  • riot star:5289 Go Open Source, Distributed, Simple and efficient Search Engine.
  • elastic star:5108 Elasticsearch client for Go.
  • go-elasticsearch star:2602 Official Elasticsearch client for Go.
  • elastigo star:950 Elasticsearch client library.
  • elasticsql star:548 Convert sql to elasticsearch dsl in Go.
  • skizze star:74 probabilistic data-structures service and storage.
  • goes star:24 Library to interact with Elasticsearch.

• Multiple Backends.

  • cayley star:13456 Graph database with support for multiple backends.
  • gokv star:222 Simple key-value store abstraction and implementations for Go (Redis, Consul, etcd, bbolt, BadgerDB, LevelDB, Memcached, DynamoDB, S3, PostgreSQL, MongoDB, CockroachDB and many more).
  • cachego star:130 Golang Cache component for multiple drivers.
  • dsc star:19 Datastore connectivity for SQL, NoSQL, structured files.

Date and Time

Libraries for working with dates and times.

• now star:2562 Now is a time toolkit for golang.
• dateparse star:1057 Parse date's without knowing format in advance.
• carbon star:464 Simple Time extension with a lot of util methods, ported from PHP Carbon library.
• durafmt star:297 Time duration formatting library for Go.
• timeutil star:176 Useful extensions (Timedelta, Strftime, ...) to the golang's time package.
• go-persian-calendar star:77 The implementation of the Persian (Solar Hijri) Calendar in Go (golang).
• iso8601 star:77 Efficiently parse ISO8601 date-times without regex.
• timespan star:72 For interacting with intervals of time, defined as a start time and a duration.
• date star:39 Augments Time for working with dates, date ranges, time spans, periods, and time-of-day.
• feiertage star:32 Set of functions to calculate public holidays in Germany, incl. specialization on the states of Germany (Bundesländer). Things like Easter, Pentecost, Thanksgiving...
• go-sunrise star:25 Calculate the sunrise and sunset times for a given location.
• kair star:15 Date and Time - Golang Formatting Library.
• NullTime star:9 Nullable time.Time.
• tuesday star:8 Ruby-compatible Strftime function.
• strftime star:4 C99-compatible strftime formatter.
• cronrange star:4 Parses Cron-style time range expressions, checks if the given time is within any ranges.
• go-str2duration star:3 Convert string to duration. Support time.Duration returned string and more.
• go-week star:2 An efficient package to work with ISO8601 week dates.

Distributed Systems

Packages that help with building Distributed Systems.

• go-kit star:17272 Microservice toolkit with support for service discovery, load balancing, pluggable transports, request tracking, etc.
• go-micro star:13524 A distributed systems development framework.
• grpc-go star:11646 The Go language implementation of gRPC. HTTP/2 based RPC.
• micro star:8161 A distributed systems runtime for the cloud and beyond.
• NATS star:7873 Lightweight, high performance messaging system for microservices, IoT, and cloud native systems.
• rpcx star:4756 Distributed pluggable RPC service framework like alibaba Dubbo.
• raft Go implementation of the Raft consensus protocol, by CoreOS.
• raft star:3679 Golang implementation of the Raft consensus protocol, by HashiCorp.
• tendermint star:3652 High-performance middleware for transforming a state machine written in any programming language into a Byzantine Fault Tolerant replicated state machine using the Tendermint consensus and blockchain protocols.
• torrent star:3523 BitTorrent client package.
• dragonboat star:3093 A feature complete and high performance multi-group Raft library in Go.
• KrakenD star:2838 Ultra performant API Gateway framework with middlewares.
• glow star:2808 Easy-to-Use scalable distributed big data processing, Map-Reduce, DAG execution, all in pure Go.
• gleam star:2536 Fast and scalable distributed map/reduce system written in pure Go and Luajit, combining Go's high concurrency with Luajit's high performance, runs standalone or distributed.
• emitter-io star:2441 High performance, distributed, secure and low latency publish-subscribe platform built with MQTT, Websockets and love.
• liftbridge star:1811 Lightweight, fault-tolerant message streams for NATS.
• hprose star:1105 Very newbility RPC Library, support 25+ languages now.
• ringpop-go star:618 Scalable, fault-tolerant application-layer sharding for Go applications.
• gorpc star:600 Simple, fast and scalable RPC library for high load.
• go-health star:556 Library for enabling asynchronous dependency health checks in your service.
• rain star:497 BitTorrent client and library.
• dot distributed sync using operational transformation/OT.
• digota star:337 grpc ecommerce microservice.
• sleuth star:319 Library for master-less p2p auto-discovery and RPC between HTTP services (using ZeroMQ).
• go-sundheit star:315 A library built to provide support for defining async service health checks for golang services.
• go-jump star:291 Port of Google's "Jump" Consistent Hash function.
• consistent star:288 Consistent hashing with bounded loads.
• resgate Realtime API Gateway for building REST, real time, and RPC APIs, where all clients are synchronized seamlessly.
• redis-lock star:172 Simplified distributed locking implementation using Redis.
• dht star:160 BitTorrent Kademlia DHT implementation.
• jsonrpc star:130 JSON-RPC 2.0 HTTP client implementation.
• jsonrpc star:129 The jsonrpc package helps implement of JSON-RPC 2.0.
• celeriac star:60 Library for adding support for interacting and monitoring Celery workers, tasks and events in Go.
• doublejump star:52 A revamped Google's jump consistent hash.
• flowgraph star:32 flow-based programming package.
• pglock PostgreSQL-backed distributed locking implementation.
• outboxer star:31 Outboxer is a go library that implements the outbox pattern.
• dynamolock DynamoDB-backed distributed locking implementation.
• drmaa star:29 Job submission library for cluster schedulers based on the DRMAA standard.
• go-pdu star:20 A decentralized identity-based social network.
• dynatomic star:11 A library for using DynamoDB as an atomic counter.
• gmsec star:6 A Go distributed systems development framework.
• consistenthash star:4 Consistent hashing with configurable replicas.

Dynamic DNS

Tools for updating dynamic DNS records.

• GoDNS star:624 A dynamic DNS client tool, supports DNSPod & HE.net, written in Go.
• DDNS star:147 Personal DDNS client with Digital Ocean Networking DNS as backend.
• dyndns Background Go process to regularly and automatically check your IP Address and make updates to (one or many) Dynamic DNS records for Google domains whenever your address changes.

Email

Libraries and tools that implement email creation and sending.

• MailHog star:6625 Email and SMTP testing with web and API interface.
• hermes star:2001 Golang package that generates clean, responsive HTML e-mails.
• email star:1422 A robust and flexible email library for Go.
• go-imap star:1005 IMAP library for clients and servers.
• chasquid SMTP server written in Go.
• SendGrid star:610 SendGrid's Go library for sending email.
• mailgun-go star:460 Go library for sending mail with the Mailgun API.
• Hectane star:186 Lightweight SMTP client providing an HTTP API.
• douceur star:183 CSS inliner for your HTML emails.
• go-message star:161 Streaming library for the Internet Message Format and mail messages.
• go-dkim star:60 DKIM library, to sign & verify email.
• smtp star:56 SMTP server protocol state machine.
• go-premailer star:51 Inline styling for HTML mail in Go.
• mailchain star:49 Send encrypted emails to blockchain addresses written in Go.
• go-simple-mail star:31 Very simple package to send emails with SMTP Keep Alive and two timeouts: Connect and Send.

Embeddable Scripting Languages

Embedding other languages inside your go code.

• otto star:5396 JavaScript interpreter written in Go.
• gopher-lua star:3578 Lua 5.1 VM and compiler written in Go.
• tengo star:1911 Bytecode compiled script language for Go.
• go-lua star:1870 Port of the Lua 5.2 VM to pure Go.
• expr star:1333 Expression evaluation engine for Go: fast, non-Turing complete, dynamic typing, static typing.
• go-python star:1090 naive go bindings to the CPython C-API.
• anko star:1024 Scriptable interpreter written in Go.
• go-php star:747 PHP bindings for Go.
• go-duktape star:717 Duktape JavaScript engine bindings for Go.
• cel-go star:483 Fast, portable, non-Turing complete expression evaluation with gradual typing.
• golua star:477 Go bindings for Lua C API.
• gisp star:436 Simple LISP in Go.
• gval star:221 A highly customizable expression language written in Go.
• gentee star:51 Embeddable scripting programming language.
• binder star:39 Go to Lua binding library, based on gopher-lua.
• purl star:29 Perl 5.18.2 embedded in Go.
• ngaro star:20 Embeddable Ngaro VM implementation enabling scripting in Retro.

Error Handling

Libraries for handling errors.

• errors star:5883 Package that provides simple error handling primitives.
• go-multierror star:880 Go (golang) package for representing a list of errors as a single error.
• errorx star:626 A feature rich error package with stack traces, composition of errors and more.
• eris star:617 A better way to handle, trace, and log errors in Go. Compatible with the standard error library and github.com/pkg/errors.
• tracerr star:617 Golang errors with stack trace and source fragments.
• errlog star:340 Hackable package that determines responsible source code for an error (and some other fast-debugging features). Pluggable to any logger in-place.
• emperror star:138 Error handling tools and best practices for Go libraries and applications.
• errors star:55 Drop-in replacement for the standard library errors package and github.com/pkg/errors. Provides various error handling primitives.
• werr star:13 Error Wrapper creates an wrapper for the error type in Go which captures the File, Line and Stack of where it was called.
• Falcon star:4 A Simple Yet Highly Powerful Package For Error Handling.
• errors star:3 Simple golang error handling with classification primitives.
• errors star:2 The most simple error wrapper with awesome performance and minimal memory overhead.

Files

Libraries for handling files and file systems.

• afero star:2830 FileSystem Abstraction System for Go.
• pdfcpu star:1469 PDF processor.
• notify star:569 File system event notification library with simple API, similar to os/signal.
• copy star:169 Copy directory recursively.
• bigfile star:138 A file transfer system, support to manage files with http api, rpc call and ftp client.
• go-csv-tag star:70 Load csv file using tag.
• opc star:65 Load Open Packaging Conventions (OPC) files for Go.
• afs star:61 Abstract File Storage (mem, scp, zip, tar, cloud: s3, gs) for Go.
• vfs star:57 A pluggable, extensible, and opinionated set of filesystem functionality for Go across a number of filesystem types such as os, S3, and GCS.
• skywalker star:56 Package to allow one to concurrently go through a filesystem with ease.
• stl Modules to read and write STL (stereolithography) files. Concurrent algorithm for reading.
• tarfs star:40 Implementation of the FileSystem interface for tar files.
• go-exiftool star:35 Go bindings for ExifTool, the well-known library used to extract as much metadata as possible (EXIF, IPTC, ...) from files (pictures, PDF, office, ...).
• checksum star:23 Compute message digest, like MD5 and SHA256, for large files.
• go-gtfs star:21 Load gtfs files in go.
• flop star:16 File operations library which aims to mirror feature parity with GNU cp.
• go-decent-copy star:14 Copy files for humans.
• gut/yos star:13 Simple and reliable package for file operations like copy/move/diff/list on files, directories and symbolic links.
• parquet star:7 Read and write parquet files.

Financial

Packages for accounting and finance.

• decimal star:2237 Arbitrary-precision fixed-point decimal numbers.
• go-money star:754 Implementation of Fowler's Money pattern.
• accounting star:563 money and currency formatting for golang.
• go-finance star:537 Comprehensive financial markets data in Go.
• techan star:266 Technical analysis library with advanced market analysis and trading strategies.
• orderbook star:138 Matching Engine for Limit Order Book in Golang.
• ofxgo star:76 Query OFX servers and/or parse the responses (with example command-line client).
• transaction star:74 Embedded transactional database of accounts, running in multithreaded mode.
• vat star:74 VAT number validation & EU VAT rates.
• go-finance star:70 Library of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
• go-finnhub star:34 Client for stock market, forex and crypto data from finnhub.io. Access real-time financial market data from 60+ stock exchanges, 10 forex brokers, and 15+ crypto exchanges.
• currency star:27 High performant & accurate currency computation package.
• go-finance star:3 Module to fetch exchange rates, check VAT numbers via VIES and check IBAN bank account numbers.

Forms

Libraries for working with forms.

• nosurf star:1059 CSRF protection middleware for Go.
• binding star:769 Binds form and JSON data from net/http Request to struct.
• gorilla/csrf star:547 CSRF protection for Go web applications & services.
• form star:410 Decodes url.Values into Go value(s) and Encodes Go value(s) into url.Values. Dual Array and Full map support.
• conform star:198 Keeps user input in check. Trims, sanitizes & scrubs data based on struct tags.
• formam star:145 decode form's values into a struct.
• forms star:108 Framework-agnostic library for parsing and validating form/JSON data which supports multipart forms and files.
• bind star:24 Bind form data to any Go values.
• queryparam star:2 Decode url.Values into usable struct values of standard or custom types.

Functional

Packages to support functional programming in Go.

• go-underscore star:1149 Useful collection of helpfully functional Go collection utilities.
• fpGo star:146 Monad, Functional Programming features for Golang.
• fuego star:67 Functional Experiment in Go.

Game Development

Awesome game development libraries.

• Leaf star:3575 Lightweight game server framework.
• Pixel star:3017 Hand-crafted 2D game library in Go.
• Ebiten star:2998 dead simple 2D game library in Go.
• goworld star:1518 Scalable game server engine, featuring space-entity framework and hot-swapping.
• go-sdl2 star:1372 Go bindings for the Simple DirectMedia Layer.
• nano star:1306 Lightweight, facility, high performance golang based game server framework.
• engo star:1224 Engo is an open-source 2D game engine written in Go. It follows the Entity-Component-System paradigm.
• termloop star:1143 Terminal-based game engine for Go, built on top of Termbox.
• gonet star:1101 Game server skeleton implemented with golang.
• g3n star:1093 Go 3D Game Engine.
• Oak star:731 Pure Go game engine.
• Pitaya star:634 Scalable game server framework with clustering support and client libraries for iOS, Android, Unity and others through the C SDK.
• raylib-go star:494 Go bindings for raylib, a simple and easy-to-use library to learn videogames programming.
• Azul3D star:455 3D game engine written in Go.
• go-astar star:372 Go implementation of the A* path finding algorithm.
• go3d star:181 Performance oriented 2D/3D math package for Go.
• prototype star:21 Cross-platform (Windows/Linux/Mac) library for creating desktop games using a minimal API.

Generation and Generics

Tools to enhance the language with features like generics via code generation.

• go-linq star:2111 .NET LINQ-like query methods for Go.
• jennifer star:1584 Generate arbitrary Go code without templates.
• gen star:1111 Code generation tool for ‘generics’-like functionality.
• goderive star:807 Derives functions from input types.
• GoWrap star:368 Generate decorators for Go interfaces using simple templates.
• interfaces star:216 Command line tool for generating interface definitions.
• go-enum star:108 Code generation for enums from code comments.
• pkgreflect star:93 Go preprocessor for package scoped reflection.
• efaceconv star:45 Code generation tool for high performance conversion from interface{} to immutable type without allocations.
• gotype star:31 Golang source code parsing, usage like reflect package.
• generis star:21 Code generation tool providing generics, free-form macros, conditional compilation and HTML templating.
• go-xray star:10 Helpers for making the use of reflection easier.
• typeregistry star:3 A library to create type dynamically.

Geographic

Geographic tools and servers

• Tile38 star:6934 Geolocation DB with spatial index and realtime geofencing.
• S2 geometry star:1063 S2 geometry library in Go.
• mbtileserver star:160 A simple Go-based server for map tiles stored in mbtiles format.
• geocache star:124 In-memory cache that is suitable for geolocation based applications.
• osm star:113 Library for reading, writing and working with OpenStreetMap data and APIs.
• WGS84 star:52 Library for Coordinate Conversion and Transformation (ETRS89, OSGB36, NAD83, RGF93, Web Mercator, UTM).
• geoserver star:38 geoserver Is a Go Package For Manipulating a GeoServer Instance via the GeoServer REST API.
• gismanager star:31 Publish Your GIS Data(Vector Data) to PostGIS and Geoserver.
• pbf star:23 OpenStreetMap PBF golang encoder/decoder.
• S2 geojson star:6 Convert geojson to s2 cells & demonstrating some S2 geometry features on map.

Go Compilers

Tools for compiling Go to other languages.

• gopherjs star:9467 Compiler from Go to JavaScript.
• llgo star:1077 LLVM-based compiler for Go.
• tardisgo star:399 Golang to Haxe to CPP/CSharp/Java/JavaScript transpiler.
• c4go star:217 Transpile C code to Go code.
• f4go star:24 Transpile FORTRAN 77 code to Go code.

Goroutines

Tools for managing and working with Goroutines.

• ants star:3783 A high-performance and low-cost goroutine pool in Go.
• goworker star:2415 goworker is a Go-based background worker.
• tunny star:1655 Goroutine pool for golang.
• grpool star:568 Lightweight Goroutine pool.
• pool star:564 Limited consumer goroutine or unlimited goroutine pool for easier goroutine handling and cancellation.
• workerpool star:310 Goroutine pool that limits the concurrency of task execution, not the number of tasks queued.
• gowp star:205 gowp is concurrency limiting goroutine pool.
• go-floc star:177 Orchestrate goroutines with ease.
• go-flow star:137 Control goroutines execution order.
• semaphore star:88 Fast resizable semaphore implementation based on CAS (faster than channel-based semaphore implementations).
• semaphore star:82 Semaphore pattern implementation with timeout of lock/unlock operations based on channel and context.
• gpool star:68 manages a resizeable pool of context-aware goroutines to bound concurrency.
• breaker star:67 Flexible mechanism to make execution flow interruptible.
• pond star:66 Minimalistic and High-performance goroutine worker pool written in Go.
• worker-pool star:62 goworker is a Go simple async worker pool.
• cyclicbarrier star:44 CyclicBarrier for golang.
• async star:42 A safe way to execute functions asynchronously, recovering them in case of panic.
• artifex star:36 Simple in-memory job queue for Golang using worker-based dispatching.
• threadpool star:34 Golang threadpool implementation.
• gollback star:32 asynchronous simple function utilities, for managing execution of closures and callbacks.
• Hunch star:27 Hunch provides functions like: All, First, Retry, Waterfall etc., that makes asynchronous flow control more intuitive.
• parallel-fn star:26 Run functions in parallel.
• kyoo star:25 Provides an unlimited job queue and concurrent worker pools.
• stl star:14 Software transactional locks based on Software Transactional Memory (STM) concurrency control mechanism.
• nursery star:13 Structured concurrency in Go.
• oversight Oversight is a complete implementation of the Erlang supervision trees.
• routine star:13 go routine control with context, support: Main, Go, Pool and some useful Executors.
• gohive star:12 A highly performant and easy to use Goroutine pool for Go.
• go-waitgroup star:10 Like sync.WaitGroup with error handling and concurrency control.
• go-trylock star:9 TryLock support on read-write lock for Golang.
• goccm star:8 Go Concurrency Manager package limits the number of goroutines that allowed to run concurrently.
• conexec star:6 A concurrent toolkit to help execute funcs concurrently in an efficient and safe way.It supports specifying the overall timeout to avoid blocking and uses goroutine pool to improve efficiency.
• queue star:5 Gives you a sync.WaitGroup like queue group accessibility. Helps you to throttle and limit goroutines, wait for the end of the all goroutines and much more.
• go-tools/multithreading star:5 Manage a pool of goroutines using this lightweight library with a simple API.
• hands star:4 A process controller used to control the execution and return strategies of multiple goroutines.

GUI

Libraries for building GUI Applications.

Toolkits

• fyne star:10120 Cross platform native GUIs designed for Go based on Material Design. Supports: Linux, macOS, Windows, BSD, iOS and Android.
• ui star:7544 Platform-native GUI library for Go. Cross platform.
• Wails Mac, Windows, Linux desktop apps with HTML UI using built-in OS HTML renderer.
• qt star:7514 Qt binding for Go (support for Windows / macOS / Linux / Android / iOS / Sailfish OS / Raspberry Pi).
• webview star:6306 Cross-platform webview window with simple two-way JavaScript bindings (Windows / macOS / Linux).
• walk star:4612 Windows application library kit for Go.
• app star:3812 Package to create apps with GO, HTML and CSS. Supports: MacOS, Windows in progress.
• go-astilectron star:3295 Build cross platform GUI apps with GO and HTML/JS/CSS (powered by Electron).
• go-gtk Go bindings for GTK.
• go-sciter star:1771 Go bindings for Sciter: the Embeddable HTML/CSS/script engine for modern desktop UI development. Cross platform.
• gotk3 star:1108 Go bindings for GTK3.
• gowd star:264 Rapid and simple desktop UI development with GO, HTML, CSS and NW.js. Cross platform.

Interaction

• robotgo star:5955 Go Native cross-platform GUI system automation. Control the mouse, keyboard and other.
• systray star:1216 Cross platform Go library to place an icon and menu in the notification area.
• gosx-notifier star:526 OSX Desktop Notifications library for Go.
• trayhost star:192 Cross-platform Go library to place an icon in the host operating system's taskbar.
• go-appindicator star:8 Go bindings for libappindicator3 C library.
• mac-activity-tracker star:6 OSX library to notify about any (pluggable) activity on your machine.
• mac-sleep-notifier star:4 OSX Sleep/Wake notifications in golang.

Hardware

Libraries, tools, and tutorials for interacting with hardware.

See go-hardware for a comprehensive list.

Images

Libraries for manipulating images.

• gocv star:3306 Go package for computer vision using OpenCV 3.3+.
• imaging star:3150 Simple Go image processing package.
• imaginary star:3122 Fast and simple HTTP microservice for image resizing.
• bild star:2883 Collection of image processing algorithms in pure Go.
• ln star:2687 3D line art rendering in Go.
• resize star:2386 Image resizing for Go with common interpolation methods.
• gg star:2320 2D rendering in pure Go.
• pt star:1864 Path tracing engine written in Go.
• svgo star:1488 Go Language Library for SVG generation.
• smartcrop star:1373 Finds good crops for arbitrary images and crop sizes.
• gift star:1339 Package of image processing filters.
• picfit star:1259 An image resizing server written in Go.
• imagick star:1184 Go binding to ImageMagick's MagickWand C API.
• go-opencv star:1174 Go bindings for OpenCV.
• bimg star:1116 Small package for fast and efficient image processing using libvips.
• geopattern star:1079 Create beautiful generative image patterns from a string.
• stegify star:830 Go tool for LSB steganography, capable of hiding any file within an image.
• canvas star:483 Vector graphics to PDF, SVG or rasterized image.
• image2ascii star:416 Convert image to ASCII.
• mort star:404 Storage and image processing server written in Go.
• govatar star:369 Library and CMD tool for generating funny avatars.
• goimagehash star:312 Go Perceptual image hashing package.
• go-nude star:310 Nudity detection with Go.
• rez star:201 Image resizing in pure Go and SIMD.
• darkroom star:135 An image proxy with changeable storage backends and image processing engines with focus on speed and resiliency.
• img star:133 Selection of image manipulation tools.
• mergi star:107 Tool & Go library for image manipulation (Merge, Crop, Resize, Watermark, Animate).
• go-cairo star:94 Go binding for the cairo graphics library.
• gltf star:72 Efficient and robust glTF 2.0 reader, writer and validator.
• steganography star:62 Pure Go Library for LSB steganography.
• go-gd star:52 Go binding for GD library.
• cameron star:50 An avatar generator for Go.
• goimghdr star:34 The imghdr module determines the type of image contained in a file for Go.
• tga star:25 Package tga is a TARGA image format decoder/encoder.
• gridder star:24 A Grid based 2D Graphics library.
• go-webcolors star:24 Port of webcolors library from Python to Go.
• mpo star:6 Decoder and conversion tool for MPO 3D Photos.

IoT (Internet of Things)

Libraries for programming devices of the IoT.

• flogo star:1483 Project Flogo is an Open Source Framework for IoT Edge Apps & Integration.
• mainflux star:939 Industrial IoT Messaging and Device Management Server.
• periph Peripherals I/O to interface with low-level board facilities.
• gatt star:900 Gatt is a Go package for building Bluetooth Low Energy peripherals.
• gobot Gobot is a framework for robotics, physical computing, and the Internet of Things.
• devices star:235 Suite of libraries for IoT devices, experimental for x/exp/io.
• connectordb star:220 Open-Source Platform for Quantified Self & IoT.
• sensorbee star:192 Lightweight stream processing engine for IoT.
• huego star:147 An extensive Philips Hue client library for Go.
• iot IoT is a simple framework for implementing a Google IoT Core device.
• eywa star:46 Project Eywa is essentially a connection manager that keeps track of connected devices.

Job Scheduler

Libraries for scheduling jobs.

• gron star:766 Define time-based tasks using a simple Go API and Gron’s scheduler will run them accordingly.
• JobRunner star:687 Smart and featureful cron job scheduler with job queuing and live monitoring built in.
• jobs star:475 Persistent and flexible background jobs library.
• scheduler star:339 Cronjobs scheduling made easy.
• clockwerk Go package to schedule periodic jobs using a simple, fluent syntax.
• go-cron star:192 Simple Cron library for go that can execute closures or functions at varying intervals, from once a second to once a year on a specific date and time. Primarily for web applications and long running daemons.
• leprechaun star:68 Job scheduler that supports webhooks, crons and classic scheduling.
• clockwork star:3 Simple and intuitive job scheduling library in Go.

JSON

Libraries for working with JSON.

• GJSON star:6629 Get a JSON value with one line of code.
• gojson star:2224 Automatically generate Go (golang) struct definitions from example JSON.
• kazaam star:157 API for arbitrary transformation of JSON documents.
• gojq star:149 JSON query in Golang.
• jsongo star:94 Fluent API to make it easier to create Json objects.
• jettison star:79 High performance, reflection-less JSON encoder for Go.
• JSON-to-Go Convert JSON to Go struct.
• gjo star:74 Small utility to create JSON objects.
• JayDiff star:71 JSON diff utility written in Go.
• jsonf star:57 Console tool for highlighted formatting and struct query fetching JSON.
• json2go star:48 Advanced JSON to Go struct conversion. Provides package that can parse multiple JSON documents and create struct to fit them all.
• ajson star:42 Abstract JSON for golang with JSONPath support.
• mp star:39 Simple cli email parser. It currently takes stdin and outputs JSON.
• go-respond star:34 Go package for handling common HTTP JSON responses.
• jsonhal star:9 Simple Go package to make custom structs marshal into HAL compatible JSON responses.
• go-jsonerror star:9 Go-JsonError is ment to allow us to easily create json response errors that follow the JsonApi spec.
• jsonapi-errors star:7 Go bindings based on the JSON API errors reference.
• ej star:4 Write and read JSON from different sources succinctly.
• mapslice-json star:1 Go MapSlice for ordered marshal/ unmarshal of maps in JSON.

Logging

Libraries for generating and working with log files.

• logrus star:15226 Structured logger for Go.
• zap star:10065 Fast, structured, leveled logging in Go.
• spew star:3918 Implements a deep pretty printer for Go data structures to aid in debugging.
• zerolog star:3501 Zero-allocation JSON logger.
• glog star:2553 Leveled execution logs for Go.
• lumberjack star:1975 Simple rolling logger, implements io.WriteCloser.
• tail star:1826 Go package striving to emulate the features of the BSD tail program.
• seelog star:1470 Logging functionality with flexible dispatching, filtering, and formatting.
• log15 star:967 Simple, powerful logging for Go.
• log star:950 Structured logging package for Go.
• onelog star:366 Onelog is a dead simple but very efficient JSON logger. It is the fastest JSON logger out there in all scenario. Also, it is one of the logger with the lowest allocation.
• logxi star:345 12-factor app logger that is fast and makes you happy.
• logutils star:282 Utilities for slightly better logging in Go (Golang) extending the standard logger.
• log star:276 Simple, configurable and scalable Structured Logging for Go.
• go-logger star:254 Simple logger of Go Programs, with level handlers.
• rollingwriter star:144 RollingWriter is an auto-rotate io.Writer implementation with multi policies to provide log file rotation.
• logger star:142 Minimalistic logging library for Go.
• xlog star:134 Structured logger for net/context aware HTTP handlers with flexible dispatching.
• ozzo-log star:112 High performance logging supporting log severity, categorization, and filtering. Can send filtered log messages to various targets (e.g. console, network, mail).
• sqldb-logger star:102 A logger for Go SQL database driver without modify existing *sql.DB stdlib usage.
• log-voyage star:88 Full-featured logging saas written in golang.
• logur star:86 An opinionated logger interface and collection of logging best practices with adapters and integrations for well-known libraries (logrus, go-kit log, zap, zerolog, etc).
• glg star:75 glg is simple and fast leveled logging library for Go.
• stdlog star:44 Stdlog is an object-oriented library providing leveled logging. It is very useful for cron jobs.
• gologger star:38 Simple easy to use log lib for go, logs in Colored Console, Simple Console, File or Elasticsearch.
• logex star:35 Golang log lib, supports tracking and level, wrap by standard log lib.
• go-log star:35 Log4j implementation in Go.
• go-cronowriter star:28 Simple writer that rotate log files automatically based on current date and time, like cronolog.
• go-log star:27 Log lib supports level and multi handlers.
• logrusly star:25 logrus plug-in to send errors to a Loggly.
• log star:23 Structured log interface for Go cleanly separates logging facade from its implementation.
• distillog star:23 distilled levelled logging (think of it as stdlib + log levels).
• mlog star:22 Simple logging module for go, with 5 levels, an optional rotating logfile feature and stdout/stderr output.
• journald star:22 Go implementation of systemd Journal's native API for logging.
• gomol star:16 Multiple-output, structured logging for Go with extensible logging outputs.
• gone/log Fast, extendable, full-featured, std-lib source compatible log library.
• go-log star:11 Simple and configurable Logging in Go, with level, formatters and writers.
• glo star:11 PHP Monolog inspired logging facility with identical severity levels.
• logrusiowriter star:10 io.Writer implementation using logrus logger.
• logmatic star:9 Colorized logger for Golang with dynamic log level configuration.
• logdump star:9 Package for multi-level logging.
• go-log star:8 A logging library with strack traces, object dumping and optional timestamps.
• log star:7 An O(1) logging system that allows you to connect one log to multiple writers (e.g. stdout, a file and a TCP connection).
• logo star:6 Golang logger to different configurable writers.
• xlog star:6 Plugin architecture and flexible log system for Go, with level ctrl, multiple log target and custom log format.

Machine Learning

Libraries for Machine Learning.

• GoLearn star:7236 General Machine Learning library for Go.
• gorgonia star:3428 graph-based computational library like Theano for Go that provides primitives for building various machine learning and neural network algorithms.
• tfgo star:1378 Easy to use Tensorflow bindings: simplifies the usage of the official Tensorflow Go bindings. Define computational graphs in Go, load and execute models trained in Python.
• gosseract star:1178 Go package for OCR (Optical Character Recognition), by using Tesseract C++ library.
• goml star:1108 On-line Machine Learning in Go.
• gorse star:984 An offline recommender system backend based on collaborative filtering written in Go.
• eaopt star:678 An evolutionary optimization library.
• CloudForest star:670 Fast, flexible, multi-threaded ensembles of decision trees for machine learning in pure Go.
• bayesian star:666 Naive Bayesian Classification for Golang.
• gobrain star:445 Neural Networks written in go.
• ocrserver star:306 A simple OCR API server, seriously easy to be deployed by Docker and Heroku.
• go-deep star:274 A feature-rich neural network library in Go.
• regommend star:273 Recommendation & collaborative filtering engine.
• onnx-go star:263 Go Interface to Open Neural Network Exchange (ONNX).
• go-galib star:180 Genetic Algorithms library written in Go / golang.
• goRecommend star:160 Recommendation Algorithms library written in Go.
• Goptuna star:133 Bayesian optimization framework for black-box functions written in Go. Everything will be optimized.
• shield star:133 Bayesian text classifier with flexible tokenizers and storage backends for Go.
• go-fann star:102 Go bindings for Fast Artificial Neural Networks(FANN) library.
• goga star:88 Genetic algorithm library for Go.
• libsvm star:64 libsvm golang version derived work based on LIBSVM 3.14.
• neural-go star:61 Multilayer perceptron network implemented in Go, with training via backpropagation.
• go-pr star:59 Pattern recognition package in Go lang.
• gonet star:57 Neural Network for Go.
• neat star:56 Plug-and-play, parallel Go framework for NeuroEvolution of Augmenting Topologies (NEAT).
• goscore star:48 Go Scoring API for PMML.
• fonet star:41 A Deep Neural Network library written in Go.
• golinear star:40 liblinear bindings for Go.
• Varis star:29 Golang Neural Network.
• go-cluster star:26 Go implementation of the k-modes and k-prototypes clustering algorithms.
• godist star:25 Various probability distributions, and associated methods.
• evoli star:13 Genetic Algorithm and Particle Swarm Optimization library.
• probab star:12 Probability distribution functions. Bayesian inference. Written in pure Go.
• GoMind star:7 A simplistic Neural Network Library in Go.
• randomforest star:4 Easy to use Random Forest library for Go.

Messaging

Libraries that implement messaging systems.

• sarama star:5914 Go library for Apache Kafka.
• gorush star:4724 Push notification server using APNs2 and google GCM.
• Centrifugo star:4381 Real-time messaging (Websockets or SockJS) server in Go.
• machinery star:4204 Asynchronous task queue/job queue based on distributed message passing.
• go-socket.io star:3539 socket.io library for golang, a realtime application framework.
• NATS Go Client star:2918 Lightweight and high performance publish-subscribe and distributed queueing messaging system - this is the Go library.
• Benthos star:2384 A message streaming bridge between a range of protocols.
• APNs2 star:2336 HTTP/2 Apple Push Notification provider for Go — Send push notifications to iOS, tvOS, Safari and OSX apps.
• Mercure star:2050 Server and library to dispatch server-sent updates using the Mercure protocol (built on top of Server-Sent Events).
• gopush-cluster star:1920 gopush-cluster is a go push server cluster.
• melody star:1860 Minimalist framework for dealing with websocket sessions, includes broadcasting and automatic ping/pong handling.
• go-nsq star:1696 the official Go package for NSQ.
• mangos star:1537 Pure go implementation of the Nanomsg ("Scalable Protocols") with transport interoperability.
• Uniqush-Push star:1175 Redis backed unified push service for server-side notifications to mobile devices.
• zmq4 star:856 Go interface to ZeroMQ version 4. Also available for version 3 and version 2.
• Beaver star:852 A real time messaging server to build a scalable in-app notifications, multiplayer games, chat apps in web and mobile apps.
• Gollum star:851 A n:m multiplexer that gathers messages from different sources and broadcasts them to a set of destinations.
• EventBus star:698 The lightweight event bus with async compatibility.
• Asynq star:596 A simple, reliable, and efficient distributed task queue for Go built on top of Redis.
• golongpoll star:471 HTTP longpoll server library that makes web pub-sub simple.
• dbus star:463 Native Go bindings for D-Bus.
• emitter star:366 Emits events using Go way, with wildcard, predicates, cancellation possibilities and many other good wins.
• Glue star:341 Robust Go and Javascript Socket Library (Alternative to Socket.io).
• pubsub star:320 Simple pubsub package for go.
• Bus star:149 Minimalist message bus implementation for internal communication.
• guble star:144 Messaging server using push notifications (Google Firebase Cloud Messaging, Apple Push Notification services, SMS) as well as websockets, a REST API, featuring distributed operation and message-persistence.
• messagebus star:135 messagebus is a Go simple async message bus, perfect for using as event bus when doing event sourcing, CQRS, DDD.
• rabtap star:128 RabbitMQ swiss army knife cli app.
• oplog star:104 Generic oplog/replication system for REST APIs.
• rabbus star:72 A tiny wrapper over amqp exchanges and queues.
• drone-line star:68 Sending Line notifications using a binary, docker or Drone CI.
• nsq-event-bus star:60 A tiny wrapper around NSQ topic and channel.
• RapidMQ star:59 RapidMQ is a lightweight and reliable library for managing of the local messages queue.
• hub star:55 A Message/Event Hub for Go applications, using publish/subscribe pattern with support for alias like rabbitMQ exchanges.
• go-notify star:48 Native implementation of the freedesktop notification spec.
• Commander star:46 A high-level event driven consumer/producer supporting various "dialects" such as Apache Kafka.
• go-mq star:40 RabbitMQ client with declarative configuration.
• event star:35 Implementation of the pattern observer.
• go-res star:34 Package for building REST/real-time services where clients are synchronized seamlessly, using NATS and Resgate.
• redisqueue star:24 redisqueue provides a producer and consumer of a queue that uses Redis streams.
• go-vitotrol star:13 Client library to Viessmann Vitotrol web service.
• jazz star:11 A simple RabbitMQ abstraction layer for queue administration and publishing and consuming of messages.
• rmqconn star:8 RabbitMQ Reconnection. Wrapper over amqp.Connection and amqp.Dial. Allowing to do a reconnection when the connection is broken before forcing the call to the Close () method to be closed.
• gaurun-client star:8 Gaurun Client written in Go.
• ami star:8 Go client to reliable queues based on Redis Cluster Streams.

Microsoft Office

• unioffice star:2381 Pure go library for creating and processing Office Word (.docx), Excel (.xlsx) and Powerpoint (.pptx) documents.

Microsoft Excel

Libraries for working with Microsoft Excel.

• excelize star:6423 Golang library for reading and writing Microsoft Excel™ (XLSX) files.
• xlsx star:4305 Library to simplify reading the XML format used by recent version of Microsoft Excel in Go programs.
• xlsx star:113 Fast and safe way to read/update your existing Microsoft Excel files in Go programs.
• go-excel star:85 A simple and light reader to read a relate-db-like excel as a table.
• goxlsxwriter star:15 Golang bindings for libxlsxwriter for writing XLSX (Microsoft Excel) files.

Miscellaneous

Dependency Injection

Libraries for working with dependency injection.

• dig star:1462 A reflection based dependency injection toolkit for Go.
• fx star:1350 A dependency injection based application framework for Go (built on top of dig).
• container star:91 A powerful IoC Container with fluent and easy-to-use interface.
• dingo star:44 A dependency injection toolkit for Go, based on Guice.
• alice star:42 Additive dependency injection container for Golang.
• wire star:31 Strict Runtime Dependency Injection for Golang.
• di star:28 A dependency injection container for go programming language.
• linker star:23 A reflection based dependency injection and inversion of control library with components lifecycle support.
• gocontainer star:12 Simple Dependency Injection Container.

Project Layout

Unofficial set of patterns for structuring projects.

• golang-standards/project-layout star:16090 Set of common historical and emerging project layout patterns in the Go ecosystem.
• modern-go-application star:682 Go application boilerplate and example applying modern practices.
• cookiecutter-golang star:359 A Go application boilerplate template for quick starting projects following production best practices.
• scaffold star:76 Scaffold generates starter Go project layout. Lets you focus on business logic implemeted.
• go-sample star:55 A sample layout for Go application projects with the real code.

Strings

Libraries for working with strings.

• xstrings star:768 Collection of useful string functions ported from other languages.
• strutil star:99 String utilities.
• gobeam/Stringy star:28 String manipulation library to convert string to camel case, snake case, kebab case / slugify etc.

Uncategorized

These libraries were placed here because none of the other categories seemed to fit.

• gopsutil star:5016 Cross-platform library for retrieving process and system utilization(CPU, Memory, Disks, etc).
• archiver star:2846 Library and command for making and extracting .zip and .tar.gz archives.
• gosms star:1287 Your own local SMS gateway in Go that can be used to send SMS.
• gofakeit star:1026 Random data generator written in go.
• go-resiliency star:1022 Resiliency patterns for golang.
• base64Captcha star:864 Base64captch supports digit, number, alphabet, arithmetic, audio and digit-alphabet captcha.
• go-openapi Collection of packages to parse and utilize open-api schemas.
• go-commons-pool star:807 Generic object pool for Golang.
• shortid star:568 Distributed generation of super short, unique, non-sequential, URL friendly IDs.
• llvm star:542 Library for interacting with LLVM IR in pure Go.
• health star:389 Easy to use, extensible health check library.
• conv star:356 Package conv provides fast and intuitive conversions across Go types.
• banner star:276 Add beautiful banners into your Go applications.
• gountries star:258 Package that exposes country and subdivision data.
• ghorg star:193 Quickly clone an entire org/users repositories into one directory - Supports GitHub, GitLab, and Bitbucket.
• antch star:179 A fast, powerful and extensible web crawling & scraping framework.
• stateless star:175 A fluent library for creating state machines.
• ffmt star:167 Beautify data display for Humans.
• lk star:157 A simple licensing library for golang.
• battery star:149 Cross-platform, normalized battery information library.
• stats star:135 Monitors Go MemStats + System stats such as Memory, Swap and CPU and sends via UDP anywhere you want for logging etc...
• bitio star:124 Highly optimized bit-level Reader and Writer for Go.
• healthcheck star:124 An opinionated and concurrent health-check HTTP handler for RESTful services.
• go-unarr star:100 Decompression library for RAR, TAR, ZIP and 7z archives.
• turtle star:100 Emojis for Go.
• gommit star:89 Analyze git commit messages to ensure they follow defined patterns.
• gotoprom star:81 Type-safe metrics builder wrapper library for the official Prometheus client.
• shoutrrr star:68 Notification library providing easy access to various messaging services like slack, mattermost, gotify and smtp among others.
• indigo star:61 Distributed unique ID generator of using Sonyflake and encoded by Base58.
• captcha star:60 Package captcha provides an easy to use, unopinionated API for captcha generation.
• morse star:60 Library to convert to and from morse code.
• xkg star:49 X Keyboard Grabber.
• pdfgen star:43 HTTP service to generate PDF from Json requests.
• persian star:41 Some utilities for Persian language in go.
• datacounter star:33 Go counters for readers/writer/http.ResponseWriter.
• browscap_go star:31 GoLang Library for Browser Capabilities Project.
• autoflags star:29 Go package to automatically define command line flags from struct fields.
• sandid star:23 Every grain of sand on earth has its own ID.
• gosh star:22 Provide Go Statistics Handler, Struct, Measure Method.
• url-shortener star:22 A modern, powerful, and robust URL shortener microservice with mysql support.
• VarHandler Generate boilerplate http input and output handling.
• xdg star:21 FreeDesktop.org (xdg) Specs implemented in Go.
• anagent star:11 Minimalistic, pluggable Golang evloop/timer handler with dependency-injection.
• shellwords star:10 A Golang library to manipulate strings according to the word parsing rules of the UNIX Bourne shell.
• avgRating star:10 Calculate average score and rating based on Wilson Score Equation.
• metrics star:9 Library for metrics instrumentation and Prometheus exposition.
• hostutils star:9 A golang library for packing and unpacking FQDNs list.
• numa star:2 NUMA is a utility library, which is written in go. It help us to write some NUMA-AWARED code.

Natural Language Processing

Libraries for working with human languages.

• prose star:2523 Library for text processing that supports tokenization, part-of-speech tagging, named-entity extraction, and more. English only.
• gse star:1355 Go efficient text segmentation; support english, chinese, japanese and other.
• gojieba star:1140 This is a Go implementation of jieba which a Chinese word splitting algorithm.
• when star:1084 Natural EN and RU language date/time parser with pluggable rules.
• go-pinyin star:728 CN Hanzi to Hanyu Pinyin converter.
• kagome star:505 JP morphological analyzer written in pure Go.
• whatlanggo star:427 Natural language detection package for Go. Supports 84 languages and 24 scripts (writing systems e.g. Latin, Cyrillic, etc).
• nlp star:363 Extract values from strings and fill your structs with nlp.
• sentences star:281 Sentence tokenizer: converts text into a list of sentences.
• nlp star:266 Go Natural Language Processing library supporting LSA (Latent Semantic Analysis).
• go-i18n Package and an accompanying tool to work with localized text.
• getlang star:99 Fast natural language detection package.
• go-nlp star:86 Utilities for working with discrete probability distributions and other tools useful for doing NLP work.
• go-unidecode star:73 ASCII transliterations of Unicode text.
• gounidecode star:69 Unicode transliterator (also known as unidecode) for Go.
• RAKE.go star:63 Go port of the Rapid Automatic Keyword Extraction Algorithm (RAKE).
• textcat star:61 Go package for n-gram based text categorization, with support for utf-8 and raw text.
• MMSEGO star:58 This is a GO implementation of MMSEG which a Chinese word splitting algorithm.
• go-stem star:57 Implementation of the porter stemming algorithm.
• segment star:50 Go library for performing Unicode Text Segmentation as described in Unicode Standard Annex #29
• stemmer star:49 Stemmer packages for Go programming language. Includes English and German stemmers.
• porter2 star:37 Really fast Porter 2 stemmer.
• go2vec star:36 Reader and utility functions for word2vec embeddings.
• petrovich star:29 Petrovich is the library which inflects Russian names to given grammatical case.
• snowball star:26 Snowball stemmer port (cgo wrapper) for Go. Provides word stem extraction functionality Snowball native.
• paicehusk star:26 Golang implementation of the Paice/Husk Stemming Algorithm.
• go-mystem star:24 CGo bindings to Yandex.Mystem - russian morphology analyzer.
• icu star:20 Cgo binding for icu4c C library detection and conversion functions. Guaranteed compatibility with version 50.1.
• golibstemmer star:17 Go bindings for the snowball libstemmer library including porter 2.
• iuliia-go star:14 Transliterate Cyrillic → Latin in every possible way.
• shamoji star:12 The shamoji is word filtering package written in Go.
• libtextcat star:10 Cgo binding for libtextcat C library. Guaranteed compatibility with version 2.2.
• gotokenizer star:9 A tokenizer based on the dictionary and Bigram language models for Golang. (Now only support chinese segmentation)
• porter star:8 This is a fairly straightforward port of Martin Porter's C implementation of the Porter stemming algorithm.
• go-localize star:5 Simple and easy to use i18n (Internationalization and localization) engine - used for translating locale strings.
• transliterator star:4 Provides one-way string transliteration with supporting of language-specific transliteration rules.
• detectlanguage star:2 Language Detection API Go Client. Supports batch requests, short phrase or single word language detection.

Networking

Libraries for working with various layers of the network.

• fasthttp star:12810 Package fasthttp is a fast HTTP implementation for Go, up to 10 times faster than net/http.
• kcptun star:11913 Extremely simple & fast udp tunnel based on KCP protocol.
• webrtc star:4892 A pure Go implementation of the WebRTC API.
• dns star:4648 Go library for working with DNS.
• quic-go star:4176 An implementation of the QUIC protocol in pure Go.
• HTTPLab star:3575 HTTPLabs let you inspect HTTP requests and forge responses.
• gopacket star:3501 Go library for packet processing with libpcap bindings.
• kcp-go star:2628 KCP - Fast and Reliable ARQ Protocol.
• gnet star:2569 gnet is a high-performance, lightweight, non-blocking, event-driven networking framework written in pure Go.
• gobgp star:1937 BGP implemented in the Go Programming Language.
• ssh star:1626 Higher-level API for building SSH servers (wraps crypto/ssh).
• fortio star:1347 Load testing library and command line tool, advanced echo server and web UI. Allows to specify a set query-per-second load and record latency histograms and other useful stats and graph them. Tcp, Http, gRPC.
• water star:1052 Simple TUN/TAP library.
• go-getter star:926 Go library for downloading files or directories from various sources using a URL.
• sftp star:874 Package sftp implements the SSH File Transfer Protocol as described in https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt.
• gev star:867 gev is a lightweight, fast non-blocking TCP network library based on Reactor mode.
• NFF-Go star:827 Framework for rapid development of performant network functions for cloud and bare-metal (former YANFF).
• grab star:698 Go package for managing file downloads.
• ftp star:684 Package ftp implements a FTP client as described in RFC 959.
• mqttPaho The Paho Go Client provides an MQTT client library for connection to MQTT brokers via TCP, TLS or WebSockets.
• mdns star:661 Simple mDNS (Multicast DNS) client/server library in Golang.
• lhttp star:573 Powerful websocket framework, build your IM server more easily.
• gosnmp star:539 Native Go library for performing SNMP actions.
• gosocsvr Socket server made simple.
• cidranger star:490 Fast IP to CIDR lookup for Go.
• gotcp star:459 Go package for quickly writing tcp applications.
• peerdiscovery star:421 Pure Go library for cross-platform local peer discovery using UDP multicast.
• gopcap star:391 Go wrapper for libpcap.
• stun star:386 Go implementation of RFC 5389 STUN protocol.
• go-stun star:364 Go implementation of the STUN client (RFC 3489 and RFC 5389).
• raw star:361 Package raw enables reading and writing data at the device driver level for a network interface.
• tcp_server star:328 Go library for building tcp servers faster.
• winrm star:260 Go WinRM client to remotely execute commands on Windows machines.
• buffstreams star:237 Streaming protocolbuffer data over TCP made easy.
• arp star:220 Package arp implements the ARP protocol, as described in RFC 826.
• ethernet star:200 Package ethernet implements marshaling and unmarshaling of IEEE 802.3 Ethernet II frames and IEEE 802.1Q VLAN tags.
• gaio star:189 High performance async-io networking for Golang in proactor mode.
• utp star:153 Go uTP micro transport protocol implementation.
• jazigo star:152 Jazigo is a tool written in Go for retrieving configuration for multiple network devices.
• gmqtt star:152 Gmqtt is a flexible, high-performance MQTT broker library that fully implements the MQTT protocol V3.1.1.
• canopus star:139 CoAP Client/Server implementation (RFC 7252).
• gNxI star:136 A collection of tools for Network Management that use the gNMI and gNOI protocols.
• sslb star:126 It's a Super Simples Load Balancer, just a little project to achieve some kind of performance.
• xtcp star:102 TCP Server Framework with simultaneous full duplex communication,graceful shutdown,custom protocol.
• dhcp6 star:67 Package dhcp6 implements a DHCPv6 server, as described in RFC 3315.
• ether star:65 Cross-platform Go package for sending and receiving ethernet frames.
• packet star:51 Send packets over TCP and UDP. It can buffer messages and hot-swap connections if needed.
• linkio star:47 Network link speed simulation for Reader/Writer interfaces.
• portproxy star:44 Simple TCP proxy which adds CORS support to API's which don't support it.
• iplib star:31 Library for working with IP addresses (net.IP, net.IPNet), inspired by python ipaddress and ruby ipaddr
• graval star:26 Experimental FTP server framework.
• publicip star:19 Package publicip returns your public facing IPv4 address (internet egress).
• golibwireshark star:18 Package golibwireshark use libwireshark library to decode pcap file and analyse dissection data.
• go-powerdns star:16 PowerDNS API bindings for Golang.
• goshark star:10 Package goshark use tshark to decode IP packet and create data struct to analyse packet.
• llb star:10 It's a very simple but quick backend for proxy servers. Can be useful for fast redirection to predefined domain with zero memory allocation and fast response.
• tspool star:6 A TCP Library use worker pool to improve performance and protect your server.
• httpproxy star:3 HTTP proxy handler and dialer.

HTTP Clients

Libraries for making HTTP requests.

• resty star:3050 Simple HTTP and REST client for Go inspired by Ruby rest-client.
• grequests star:1601 A Go "clone" of the great and famous Requests library.
• heimdall star:1528 An enchanced http client with retry and hystrix capabilities.
• sling star:1147 Sling is a Go HTTP client library for creating and sending API requests.
• gentleman star:800 Full-featured plugin-driven HTTP client library.
• pester star:497 Go HTTP client calls with retries, backoff, and concurrency.
• request star:58 HTTP client for golang. If you have experience about axios or requests, you will love it. No 3rd dependency.
• rq star:35 A nicer interface for golang stdlib HTTP client.
• go-http-client star:8 Make http calls simply and easily.
• httpretry star:7 Enriches the default go HTTP client with retry functionality.

OpenGL

Libraries for using OpenGL in Go.

• glfw star:938 Go bindings for GLFW 3.
• gl star:730 Go bindings for OpenGL (generated via glow).
• mathgl star:336 Pure Go math package specialized for 3D math, with inspiration from GLM.
• goxjs/gl star:138 Go cross-platform OpenGL bindings (OS X, Linux, Windows, browsers, iOS, Android).
• goxjs/glfw star:65 Go cross-platform glfw library for creating an OpenGL context and receiving events.

ORM

Libraries that implement Object-Relational Mapping or datamapping techniques.

• Xorm star:6082 Simple and powerful ORM for Go.
• go-pg star:3890 PostgreSQL ORM with focus on PostgreSQL specific features and performance.
• gorp star:3383 Go Relational Persistence, ORM-ish library for Go.
• SQLBoiler star:3148 ORM generator. Generate a featureful and blazing-fast ORM tailored to your database schema.
• upper.io/db star:2191 Single interface for interacting with different data sources through the use of adapters that wrap mature database drivers.
• pop/soda star:902 Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.
• reform star:870 Better ORM for Go, based on non-empty interfaces and code generation.
• gormt star:580 Mysql database to golang gorm struct.
• QBS star:551 Stands for Query By Struct. A Go ORM.
• go-queryset star:536 100% type-safe ORM with code generation and MySQL, PostgreSQL, Sqlite3, SQL Server support based on GORM.
• go-sqlbuilder star:393 A flexible and powerful SQL string builder library plus a zero-config ORM.
• beego orm Powerful orm framework for go. Support: pq/mysql/sqlite3.
• Zoom star:261 Blazing-fast datastore and querying engine built on Redis.
• rel star:143 Golang SQL Repository Layer for Clean (Onion) Architecture.
• grimoire star:134 Grimoire is a database access layer and validation for golang. (Support: MySQL, PostgreSQL and SQLite3).
• go-store star:100 Simple and fast Redis backed key-value store library for Go.
• go-sql star:87 A easy ORM for mysql.
• Marlow star:80 Generated ORM from project structs for compile time safety assurances.
• GORM star:40 The fantastic ORM library for Golang, aims to be developer friendly.
• go-firestorm star:14 A simple ORM for Google/Firebase Cloud Firestore.
• lore star:5 Simple and lightweight pseudo-ORM/pseudo-struct-mapping environment for Go.

Package Management

Official tooling for dependency and package management

• go modules Modules are the unit of source code interchange and versioning. The go command has direct support for working with modules, including recording and resolving dependencies on other modules.

Official experimental tooling for package management

• dep star:13214 Go dependency tool.
• vgo Versioned Go.

Unofficial libraries for package and dependency management.

• glide star:8015 Manage your golang vendor and vendored packages with ease. Inspired by tools like Maven, Bundler, and Pip.
• godep star:5633 dependency tool for go, godep helps build packages reproducibly by fixing their dependencies.
• govendor star:5012 Go Package Manager. Go vendor tool that works with the standard vendor file.
• gopm star:2487 Go Package Manager.
• gom star:1381 Go Manager - bundle for go.
• gpm star:1200 Barebones dependency manager for Go.
• goop star:778 Simple dependency manager for Go (golang), inspired by Bundler.
• nut star:242 Vendor Go dependencies.
• johnny-deps star:214 Minimal dependency version using Git.
• gigo star:198 PIP-like dependency tool for golang, with support for private repositories and hashes.
• VenGO star:118 create and manage exportable isolated go virtual environments.
• mvn-golang star:105 plugin that provides way for auto-loading of Golang SDK, dependency management and start build environment in Maven project infrastructure.
• gop star:49 Build and manage your Go applications out of GOPATH.

Performance

• jaeger star:11204 A distributed tracing system.
• profile star:1265 Simple profiling support package for Go.
• pixie star:63 No instrumentation tracing for Golang applications via eBPF.
• tracer star:29 Simple, lightweight tracing.

Query Language

• graphql-go star:6526 Implementation of GraphQL for Go.
• graphql star:3365 GraphQL server with a focus on ease of use.
• gojsonq star:1442 A simple Go package to Query over JSON Data.
• jsonql star:229 JSON query expression library in Golang.
• rql star:154 Resource Query Language for REST API.
• graphql star:52 graphql parser + utilities.
• jsonslice star:48 Jsonpath queries with advanced filters.
• straf star:19 Easily Convert Golang structs to GraphQL objects.
• api-fu star:13 Comprehensive GraphQL implementation.
• rqp star:4 Query Parser for REST API. Filtering, validations, both AND, OR operations are supported directly in the query.

Resource Embedding

• packr star:2885 The simple and easy way to embed static files into Go binaries.
• statik star:2786 Embeds static files into a Go executable.
• go.rice star:1977 go.rice is a Go package that makes working with resources such as html,js,css,images and templates very easy.
• vfsgen star:847 Generates a vfsdata.go file that statically implements the given virtual filesystem.
• esc star:560 Embeds files into Go programs and provides http.FileSystem interfaces to them.
• fileb0x star:540 Simple tool to embed files in go with focus on "customization" and ease to use.
• go-resources star:170 Unfancy resources embedding with Go.
• statics star:58 Embeds static resources into go files for single binary compilation + works with http.FileSystem + symlinks.
• templify star:25 Embed external template files into Go code to create single file binaries.
• go-embed star:24 Generates go code to embed resource files into your library or executable.
• mule star:9 Embed external resources like images, movies ... into Go source code to create single file binaries using go generate. Focussed on simplicity.

Science and Data Analysis

Libraries for scientific computing and data analyzing.

• gonum star:3943 Gonum is a set of numeric libraries for the Go programming language. It contains libraries for matrices, statistics, optimization, and more.
• stats star:1693 Statistics package with common functions missing from the Golang standard library.
• gonum/plot star:1627 gonum/plot provides an API for building and drawing plots in Go.
• gosl star:1486 Go scientific library for linear algebra, FFT, geometry, NURBS, numerical methods, probabilities, optimisation, differential equations, and more.
• streamtools star:1315 general purpose, graphical tool for dealing with streams of data.
• go-dsp star:689 Digital Signal Processing for Go.
• chart star:647 Simple Chart Plotting library for Go. Supports many graphs types.
• goraph star:631 Pure Go graph theory library(data structure, algorith visualization).
• graph star:350 Library of basic graph algorithms.
• orb star:299 2D geometry types with clipping, GeoJSON and Mapbox Vector Tile support.
• ewma star:296 Exponentially-weighted moving averages.
• dataframe-go star:267 Dataframes for machine-learning and statistics (similar to pandas).
• gohistogram star:142 Approximate histograms for data streams.
• TextRank star:105 TextRank implementation in Golang with extendable features (summarization, weighting, phrase extraction) and multithreading (goroutine) support.
• sparse star:95 Go Sparse matrix formats for linear algebra supporting scientific and machine learning applications, compatible with gonum matrix libraries.
• pagerank star:58 Weighted PageRank algorithm implemented in Go.
• geom star:45 2D geometry for golang.
• evaler star:41 Simple floating point arithmetic expression evaluator.
• goent star:19 GO Implementation of Entropy Measures.
• triangolatte star:13 2D triangulation library. Allows translating lines and polygons (both based on points) to the language of GPUs.
• GoStats star:12 GoStats is an Open Source GoLang library for math statistics mostly used in Machine Learning domains, it covers most of the Statistical measures functions.
• piecewiselinear star:11 Tiny linear interpolation library.
• ode star:11 Ordinary differential equation (ODE) solver which supports extended states and channel-based iteration stop conditions.
• PiHex star:9 Implementation of the "Bailey-Borwein-Plouffe" algorithm for the hexadecimal number Pi.
• assocentity star:7 Package assocentity returns the average distance from words to a given entity.
• go-gt star:5 Graph theory algorithms written in "Go" language.
• rootfinding star:3 root-finding algorithms library for finding roots of quadratic functions.
• bradleyterry star:2 Provides a Bradley-Terry Model for pairwise comparisons.

Security

Libraries that are used to help make your application more secure.

• lego star:4089 Pure Go ACME client library and CLI tool (for use with Let's Encrypt).
• Cameradar star:2253 Tool and library to remotely hack RTSP streams from surveillance cameras.
• acmetool star:1778 ACME (Let's Encrypt) client tool with automatic renewal.
• memguard star:1773 A pure Go library for handling sensitive values in memory.
• secure star:1505 HTTP middleware for Go that facilitates some quick security wins.
• acra star:609 Network encryption proxy to protect database-based applications from data leaks: strong selective encryption, SQL injections prevention, intrusion detection system.
• nacl star:483 Go implementation of the NaCL set of API's.
• BadActor star:279 In-memory, application-driven jailer built in the spirit of fail2ban.
• ssh-vault star:247 encrypt/decrypt using ssh keys.
• passlib star:232 Futureproof password hashing library.
• optimus-go star:212 ID hashing and Obfuscation using Knuth's Algorithm.
• go-yara star:172 Go Bindings for YARA, the "pattern matching swiss knife for malware researchers (and everyone else)".
• simple-scrypt star:164 Scrypt package with a simple, obvious API and automatic cost calibration built-in.
• argon2pw star:82 Argon2 password hash generation with constant-time password comparison.
• autocert Auto provision Let's Encrypt certificates and start a TLS server.
• goSecretBoxPassword star:37 A probably paranoid package for securely hashing and encrypting passwords.
• Interpol Rule-based data generator for fuzzing and penetration testing.
• certificates star:17 An opinionated tool for generating tls certificates.
• goArgonPass star:12 Argon2 password hash and verification designed to be compatible with existing Python and PHP implementations.
• go-generate-password star:11 Password generator that can be used on the cli or as a library.
• sslmgr star:9 SSL certificates made easy with a high level wrapper around acme/autocert.
• argon2-hashing star:8 light wrapper around Go's argon2 package that closely mirrors with Go's standard library Bcrypt and simple-scrypt package.
• secureio star:7 An keyexchanging+authenticating+encrypting wrapper and multiplexer for io.ReadWriteCloser based on XChaCha20-poly1305, ECDH and ED25519.

Serialization

Libraries and tools for binary serialization.

• jsoniter star:7856 High-performance 100% compatible drop-in replacement of "encoding/json".
• goprotobuf star:6798 Go support, in the form of a library and protocol compiler plugin, for Google's protocol buffers.
• gogoprotobuf star:3877 Protocol Buffers for Go with Gadgets.
• mapstructure star:3449 Go library for decoding generic map values into native Go structures.
• go-codec star:1424 High Performance, feature-Rich, idiomatic encode, decode and rpc library for msgpack, cbor and json, with runtime-based OR code-generation support.
• go-lctree Provides a CLI and primitives to serialize and deserialize LeetCode binary trees.
• colfer star:540 Code generation for the Colfer binary format.
• csvutil star:383 High Performance, idiomatic CSV record encoding and decoding to native Go structures.
• go-capnproto star:276 Cap'n Proto library and parser for go.
• cbor star:176 Small, safe, and easy CBOR encoding and decoding library.
• php_session_decoder star:140 GoLang library for working with PHP session format and PHP Serialize/Unserialize functions.
• structomap star:112 Library to easily and dynamically generate maps from static structures.
• bambam star:59 generator for Cap'n Proto schemas from go.
• asn1 star:46 Asn.1 BER and DER encoding library for golang.
• binstruct star:19 Golang binary decoder for mapping data into the structure.
• fwencoder star:12 Fixed width file parser (encoding and decoding library) for Go.
• bel star:10 Generate TypeScript interfaces from Go structs/interfaces. Useful for JSON RPC.
• pletter star:10 A standard way to wrap a proto message for message brokers.
• elastic star:9 Convert slices, maps or any other unknown value across different types at run-time, no matter what.
• fixedwidth star:4 Fixed-width text formatting (UTF-8 supported).

Server Applications

• etcd star:31725 Highly-available key value store for shared configuration and service discovery.
• consul Consul is a tool for service discovery, monitoring and configuration.
• Caddy star:29126 Caddy is an alternative, HTTP/2 web server that's easy to configure and use.
• minio star:22578 Minio is a distributed object storage server.
• RoadRunner star:4342 High-performance PHP application server, load-balancer and process manager.
• devd star:2998 Local webserver for developers.
• algernon star:1709 HTTP/2 web server with built-in support for Lua, Markdown, GCSS and Amber.
• SFTPGo star:1642 Full featured and highly configurable SFTP server software.
• flipt star:1246 A self contained feature flag solution written in Go and Vue.js
• Fider star:1213 Fider is an open platform to collect and organize customer feedback.
• Flagr star:1161 Flagr is an open-source feature flagging and A/B testing service.
• Trickster star:1139 HTTP reverse proxy cache and time series accelerator.
• discovery star:962 A registry for resilient mid-tier load balancing and failover.
• jackal star:832 An XMPP server written in Go.
• dudeldu star:115 A simple SHOUTcast server.
• lets-proxy2 star:37 Reverse proxy for handle https with issue certificates in fly from lets-encrypt.
• psql-streamer star:19 Stream database events from PostgreSQL to Kafka.
• riemann-relay Relay to load-balance Riemann events and/or convert them to Carbon.
• nginx-prometheus star:13 Nginx log parser and exporter to Prometheus.
• nsq A realtime distributed messaging platform.

Stream Processing

Libraries and tools for stream processing and reactive programming.

• go-streams star:327 Go stream processing library.

Template Engines

Libraries and tools for templating and lexing.

• gofpdf star:3555 PDF document generator with high level support for text, drawing and images.
• quicktemplate star:1766 Fast, powerful, yet easy to use template engine. Converts templates into Go code and then compiles it.
• pongo2 star:1688 Django-like template-engine for Go.
• hero star:1359 Hero is a handy, fast and powerful go template engine.
• mustache star:987 Go implementation of the Mustache template language.
• amber star:847 Amber is an elegant templating engine for Go Programming Language It is inspired from HAML and Jade.
• ace star:786 Ace is an HTML template engine for Go, inspired by Slim and Jade. Ace is a refinement of Gold.
• Razor star:743 Razor view engine for Golang.
• jet star:655 Jet template engine.
• ego star:447 Lightweight templating language that lets you write templates in Go. Templates are translated into Go and compiled.
• fasttemplate star:396 Simple and fast template engine. Substitutes template placeholders up to 10x faster than text/template.
• raymond star:375 Complete handlebars implementation in Go.
• maroto star:176 A maroto way to create PDFs. Maroto is inspired in Bootstrap and uses gofpdf. Fast and simple.
• Soy star:149 Closure templates (aka Soy templates) for Go, following the official spec.
• goview star:136 Goview is a lightweight, minimalist and idiomatic template library based on golang html/template for building Go web application.
• liquid star:106 Go implementation of Shopify Liquid templates.
• kasia.go star:71 Templating system for HTML and other text documents - go implementation.
• velvet star:71 Complete handlebars implementation in Go.
• damsel star:23 Markup language featuring html outlining via css-selectors, extensible via pkg html/template and others.
• extemplate star:22 Tiny wrapper around html/template to allow for easy file-based template inheritance.
• gospin star:15 Article spinning and spintax/spinning syntax engine, useful for A/B, testing pieces of text/articles and creating more natural conversations.

Testing

Libraries for testing codebases and generating test data.

• Testing Frameworks

  • testmd Convert markdown snippets into testable go code.
  • Testify star:10792 Sacred extension to the standard go testing package.
  • go-cmp star:1777 Package for comparing Go values in tests.
  • httpexpect star:1405 Concise, declarative, and easy to use end-to-end HTTP and REST API testing.
  • godog star:1054 Cucumber or Behat like BDD framework for Go.
  • baloo star:686 Expressive and versatile end-to-end HTTP API testing made easy.
  • GoConvey BDD-style framework with web UI and live reload.
  • gocheck More advanced testing framework alternative to gotest.
  • goblin star:684 Mocha like testing framework fo Go.
  • testfixtures star:513 A helper for Rails' like test fixtures to test database applications.
  • go-vcr star:428 Record and replay your HTTP interactions for fast, deterministic and accurate tests.
  • go-mutesting star:347 Mutation testing for Go source code.
  • gofight star:324 API Handler Testing for Golang Router framework.
  • frisby star:258 REST API testing framework.
  • ginkgo BDD Testing Framework for Go.
  • go-carpet star:210 Tool for viewing test coverage in terminal.
  • charlatan star:190 Tool to generate fake interface implementations for tests.
  • gotest.tools star:162 A collection of packages to augment the go testing package and support common patterns.
  • commander star:153 Tool for testing cli applications on windows, linux and osx.
  • endly star:148 Declarative end to end functional testing.
  • GoSpec star:115 BDD-style testing framework for the Go programming language.
  • dbcleaner star:111 Clean database for testing purpose, inspired by database_cleaner in Ruby.
  • cupaloy star:110 Simple snapshot testing addon for your test framework.
  • go-testdeep star:101 Extremely flexible golang deep comparison, extends the go testing package.
  • wstest star:77 Websocket client for unit-testing a websocket http.Handler.
  • apitest Simple and extensible behavioural testing library for REST based services or HTTP handlers that supports mocking external http calls and rendering of sequence diagrams.
  • embedded-postgres star:58 Run a real Postgres database locally on Linux, OSX or Windows as part of another Go application or test.
  • gospecify star:54 This provides a BDD syntax for testing your Go code. It should be familiar to anybody who has used libraries such as rspec.
  • restit star:51 Go micro framework to help writing RESTful API integration test.
  • testcase star:45 Idiomatic testing framework for Behavior Driven Development.
  • jsonassert star:41 Package for verifying that your JSON payloads are serialized correctly.
  • gomega Rspec like matcher/assertion library.
  • gomatch star:36 library created for testing JSON against patterns.
  • dsunit star:31 Datastore testing for SQL, NoSQL, structured files.
  • Hamcrest star:27 fluent framework for declarative Matcher objects that, when applied to input values, produce self-describing results.
  • assert star:19 Basic Assertion Library used along side native go testing, with building blocks for custom assertions.
  • flute star:13 HTTP client testing framework.
  • schema star:10 Quick and easy expression matching for JSON schemas used in requests and responses.
  • badio star:9 Extensions to Go's testing/iotest package.
  • Tt star:9 Simple and colorful test tools.
  • gocrest star:9 Composable hamcrest-like matchers for Go assertions.
  • gosuite star:9 Brings lightweight test suites with setup/teardown facilities to testing by leveraging Go1.7's Subtests.
  • biff star:8 Bifurcation testing framework, BDD compatible.
  • testsql star:8 Generate test data from SQL files before testing and clear it after finished.
  • gogiven star:8 YATSPEC-like BDD testing framework for Go.
  • trial star:4 Quick and easy extendable assertions without introducing much boilerplate.

• Mock

  • gomock star:4315 Mocking framework for the Go programming language.
  • go-sqlmock star:2607 Mock SQL driver for testing database interactions.
  • hoverfly star:1588 HTTP(S) proxy for recording and simulating REST/SOAP APIs with extensible middleware and easy-to-use CLI.
  • gock star:1021 Versatile HTTP mocking made easy.
  • httpmock star:782 Easy mocking of HTTP responses from external resources.
  • counterfeiter star:423 Tool for generating self-contained mock objects.
  • minimock star:314 Mock generator for Go interfaces.
  • go-txdb star:272 Single transaction based database driver mainly for testing purposes.
  • govcr star:89 HTTP mock for Golang: record and replay HTTP interactions for offline testing.
  • timex star:29 A test-friendly replacement for the native time package.
  • mockhttp star:22 Mock object for Go http.ResponseWriter.
  • go-localstack star:3 Tool for using localstack in AWS testing.

• Fuzzing and delta-debugging/reducing/shrinking.

  • go-fuzz star:3472 Randomized testing system.
  • gofuzz star:800 Library for populating go objects with random values.
  • Tavor star:221 Generic fuzzing and delta-debugging framework.

• Selenium and browser control tools.

  • chromedp star:4933 a way to drive/test Chrome, Safari, Edge, Android Webviews, and other browsers supporting the Chrome Debugging Protocol.
  • selenoid star:1630 alternative Selenium hub server that launches browsers within containers.
  • cdp star:448 Type-safe bindings for the Chrome Debugging Protocol that can be used with browsers or other debug targets that implement it.
  • rod star:288 A chrome devtools controller that is easy and safe to use.
  • ggr star:257 a lightweight server that routes and proxies Selenium WebDriver requests to multiple Selenium hubs.

• Fail injection

  • failpoint star:514 An implementation of failpoints for Golang.

Text Processing

Libraries for parsing and manipulating texts.

• Specific Formats
  • colly star:11242 Fast and Elegant Scraping Framework for Gophers.
  • GoQuery star:8963 GoQuery brings a syntax and a set of features similar to jQuery to the Go language.
  • blackfriday star:4395 Markdown processor in Go.
  • toml star:3248 TOML configuration format (encoder/decoder with reflection).
  • sh star:2907 Shell parser and formatter.
  • go-humanize star:2231 Formatters for time, numbers, and memory size to human readable format.
  • bluemonday star:1583 HTML Sanitizer.
  • gofeed star:1303 Parse RSS and Atom feeds in Go.
  • inject star:1241 Package inject provides a reflect based injector.
  • go-toml star:786 Go library for the TOML format with query support and handy cli tools.
  • commonregex star:608 A collection of common regular expressions for Go.
  • slug star:556 URL-friendly slugify with multiple languages support.
  • dataflowkit star:399 Web scraping Framework to turn websites into structured data.
  • mxj star:378 Encode / decode XML as JSON or map[string]interface{}; extract values with dot-notation paths and wildcards. Replaces x2j and j2x packages.
  • gommon/bytes Format bytes to string.
  • gographviz star:367 Parses the Graphviz DOT language.
  • go-runewidth star:274 Functions to get fixed width of the character or string.
  • gotext star:269 GNU gettext utilities for Go.
  • htmlquery star:256 An XPath query package for HTML, lets you extract data or evaluate from HTML documents by an XPath expression.
  • goq star:170 Declarative unmarshaling of HTML using struct tags with jQuery syntax (uses GoQuery).
  • goribot star:155 A simple golang spider/scraping framework,build a spider in 3 lines.
  • go-nmea star:121 NMEA parser library for the Go language.
  • sdp star:96 SDP: Session Description Protocol [RFC 4566].
  • go-zero-width star:79 Zero-width character detection and removal for Go.
  • podcast star:72 iTunes Compliant and RSS 2.0 Podcast Generator in Golang
  • editorconfig-core-go star:71 Editorconfig file parser and manipulator for Go.
  • align star:63 A general purpose application that aligns text.
  • go-slugify star:60 Make pretty slug with multiple languages support.
  • github_flavored_markdown GitHub Flavored Markdown renderer (using blackfriday) with fenced code block highlighting, clickable header anchor links.
  • genex star:58 Count and expand Regular Expressions into all matching Strings.
  • guesslanguage star:47 Functions to determine the natural language of a unicode text.
  • go-vcard star:46 Parse and format vCard.
  • go-fixedwidth star:44 Fixed-width text formatting (encoder/decoder with reflection).
  • allot star:42 Placeholder and wildcard text parsing for CLI tools and bots.
  • goregen star:42 Library for generating random strings from regular expressions.
  • did star:35 DID (Decentralized Identifiers) Parser and Stringer in Go.
  • gonameparts star:31 Parses human names into individual name parts.
  • Slugify star:28 Go slugify application that handles string.
  • codetree star:15 Parses indented code (python, pixy, scarlet, etc.) and returns a tree structure.
  • pagser star:9 Pagser is a simple, extensible, configurable parse and deserialize html page to struct based on goquery and struct tags for golang crawler.
  • enca star:8 Minimal cgo bindings for libenca.
  • syndfeed star:7 A syndication feed for Atom 1.0 and RSS 2.0.
  • bbConvert star:5 Converts bbCode to HTML that allows you to add support for custom bbCode tags.
  • ltsv star:5 High performance LTSV (Labeled Tab Separated Value) reader for Go.
  • doi star:4 Document object identifier (doi) parser in Go.
  • encdec star:3 Package provides a generic interface to encoders and decodersa.
• Utility
  • xurls star:652 Extract urls from text.
  • gotabulate star:239 Easily pretty-print your tabular data with Go.
  • radix star:160 fast string sorting algorithm.
  • parth star:36 URL path segmentation parsing.
  • gofuckyourself star:26 A sanitization-based swear filter for Go.
  • xj2go star:19 Convert xml or json to go struct.
  • kace star:14 Common case conversions covering common initialisms.
  • Tagify star:11 Produces a set of tags from given source.
  • parseargs-go star:8 string argument parser that understands quotes and backslashes.
  • TySug star:4 Alternative suggestions with respect to keyboard layouts.
  • textwrap star:1 Implementation of textwrap module from Python.

Third-party APIs

Libraries for accessing third party APIs.

• github star:5926 Go library for accessing the GitHub REST API v3.
• aws-sdk-go star:5878 The official AWS SDK for the Go programming language.
• google star:2320 Auto-generated Google APIs for Go.
• google-cloud star:2262 Google Cloud APIs Go Client Library.
• discordgo star:1356 Go bindings for the Discord Chat API.
• stripe star:1159 Go client for the Stripe API.
• textbelt Go client for the textbelt.com txt messaging API.
• translate Go online translation package.
• anaconda star:1045 Go client library for the Twitter 1.1 API.
• minio-go star:1017 Minio Go Library for Amazon S3 compatible cloud storage.
• go-twitter star:1001 Go client library for the Twitter v1.1 APIs.
• facebook star:887 Go Library that supports the Facebook Graph API.
• go-jira star:755 Go client library for Atlassian JIRA
• githubql star:660 Go library for accessing the GitHub GraphQL API v4.
• webhooks star:515 Webhook receiver for GitHub and Bitbucket.
• paypal star:366 Wrapper for PayPal payment API.
• geo-golang star:348 Go Library to access Google Maps, MapQuest, Nominatim, OpenCage, Bing, Mapbox, and OpenStreetMap geocoding / reverse geocoding APIs.
• go-marathon star:192 Go library for interacting with Mesosphere's Marathon PAAS.
• ethrpc star:187 Go bindings for Ethereum JSON RPC API.
• Trello star:143 Go wrapper for the Trello API.
• gostorm star:124 GoStorm is a Go library that implements the communications protocol required to write Storm spouts and Bolts in Go that communicate with the Storm shells.
• Medium star:123 Golang SDK for Medium's OAuth2 API.
• hipchat (xmpp) star:112 A golang package to communicate with HipChat over XMPP.
• go-trending star:109 Go library for accessing trending repositories and developers at Github.
• hipchat star:107 This project implements a golang client library for the Hipchat API.
• wit-go star:89 Go client for wit.ai HTTP API.
• cachet star:82 Go client library for Cachet (open source status page system).
• pushover star:75 Go wrapper for the Pushover API.
• igdb star:60 Go client for the Internet Game Database API.
• clarifai star:57 Go client library for interfacing with the Clarifai API.
• megos star:56 Client library for accessing an Apache Mesos cluster.
• circleci star:52 Go client library for interacting with CircleCI's API.
• gads star:47 Google Adwords Unofficial API.
• gosip star:43 Go client library SharePoint API.
• simples3 star:43 Simple no frills AWS S3 Library using REST with V4 Signing written in Go.
• GoMusicBrainz star:41 Go MusicBrainz WS2 client library.
• go-xkcd star:40 Go client for the xkcd API.
• amazon-product-advertising-api star:40 Go Client Library for Amazon Product Advertising API.
• uptimerobot star:37 Go wrapper and command-line client for the Uptime Robot v2 API.
• fcm star:37 Go library for Firebase Cloud Messaging.
• golyrics star:34 Golyrics is a Go library to fetch music lyrics data from the Wikia website.
• mixpanel star:33 Mixpanel is a library for tracking events and sending Mixpanel profile updates to Mixpanel from your go applications.
• gogtrends star:33 Google Trends Unofficial API.
• golang-tmdb star:31 Golang wrapper for The Movie Database API v3.
• go-unsplash star:30 Go client library for the Unsplash.com API.
• gcm star:29 Go library for Google Cloud Messaging.
• gami star:28 Go library for Asterisk Manager Interface.
• spotify star:25 Go Library to access Spotify WEB API.
• ynab star:25 Go wrapper for the YNAB API.
• twitter-scraper star:23 Scrape the Twitter Frontend API without authentication and limits.
• steam star:20 Go Library to interact with Steam game servers.
• patreon-go star:20 Go library for Patreon API.
• shopify star:19 Go Library to make CRUD request to the Shopify API.
• go-twitch star:19 Go client for interacting with the Twitch v3 API.
• brewerydb star:17 Go library for accessing the BreweryDB API.
• go-imgur star:17 Go client library for imgur
• go-myanimelist star:16 Go client library for accessing the MyAnimeList API.
• codeship-go star:16 Go client library for interacting with Codeship's API v2.
• airtable star:12 Go client library for the Airtable API.
• google-analytics star:12 Simple wrapper for easy google analytics reporting.
• coinpaprika-go star:12 Go client library for interacting with Coinpaprika's API.
• lastpass-go star:11 Go client library for the LastPass API.
• go-hacknews star:11 Tiny Go client for HackerNews API.
• smite star:10 Go package to wraps access to the Smite game API.
• go-here star:9 Go client library around the HERE location based APIs.
• rrdaclient star:8 Go Library to access statdns.com API, which is in turn RRDA API. DNS Queries over HTTP.
• go-telegraph Telegraph publishing platform API client.
• google-email-audit-api star:7 Go client library for Google G Suite Email Audit API.
• go-sptrans star:7 Go client library for the SPTrans Olho Vivo API.
• go-postman-collection star:6 Go module to work with Postman Collections (compatible with Insomnia).
• gopaapi5 star:6 Go Client Library for Amazon Product Advertising API 5.0.
• google-play-scraper star:6 Get data from Google Play Store.
• slack star:6 Slack API in Go.
• gomalshare star:6 Go library MalShare API malshare.com
• tumblr star:6 Go wrapper for the Tumblr v2 API.
• zooz star:5 Go client for the Zooz API.
• go-sophos star:5 Go client library for the Sophos UTM REST API with zero dependencies.
• go-chronos star:3 Go library for interacting with the Chronos Job Scheduler
• libgoffi star:2 Library adapter toolbox for native libffi integration
• TripAdvisor star:1 Go wrapper for the TripAdvisor API.
• vl-go star:1 Go client library around the VerifID identity verification layer API.
• playlyfe star:1 The Playlyfe Rest API Go SDK.

Utilities

General utilities and tools to make your life easier.

• fzf star:30377 Command-line fuzzy finder written in Go.
• hub star:19855 wrap git commands with additional functionality to interact with github from the terminal.
• ctop star:10121 Top-like interface (e.g. htop) for container metrics.
• wuzz star:9036 Interactive cli tool for HTTP inspection.
• sqlx star:8565 provides a set of extensions on top of the excellent built-in database/sql package.
• peco star:5922 Simplistic interactive filtering tool.
• goreporter Golang tool that does static analysis, unit testing, code review and generate code quality report.
• goreleaser star:5818 Deliver Go binaries as fast and easily as possible.
• godropbox star:3881 Common libraries for writing Go services/applications from Dropbox.
• hystrix-go star:2652 Implements Hystrix patterns of programmer-defined fallbacks aka circuit breaker.
• Task star:2432 simple "Make" alternative.
• panicparse star:2282 Groups similar goroutines and colorizes stack dump.
• minify star:2149 Fast minifiers for HTML, CSS, JS, XML, JSON and SVG file formats.
• go-funk star:1877 Modern Go utility library which provides helpers (map, find, contains, filter, chunk, reverse, ...).
• Storm star:1567 Simple and powerful toolkit for BoltDB.
• mc star:1544 Minio Client provides minimal tools to work with Amazon S3 compatible cloud storage and filesystems.
• mmake star:1507 Modern Make.
• mole star:1368 cli app to easily create ssh tunnels.
• mergo star:1176 Helper to merge structs and maps in Golang. Useful for configuration default values, avoiding messy if-statements.
• spinner star:1153 Go package to easily provide a terminal spinner with options.
• boilr star:1119 Blazingly fast CLI tool for creating projects from boilerplate templates.
• filetype star:1118 Small package to infer the file type checking the magic numbers signature.
• circuitbreaker star:885 Circuit Breakers in Go.
• jump star:857 Jump helps you navigate faster by learning your habits.
• git-time-metric star:806 Simple, seamless, lightweight time tracking for Git.
• immortal star:647 *nix cross-platform (OS agnostic) supervisor.
• htcat star:512 Parallel and Pipelined HTTP GET Utility.
• hostctl star:485 A CLI tool to manage /etc/hosts with easy commands.
• circuit star:461 An efficient and feature complete Hystrix like Go implementation of the circuit breaker pattern.
• go-dry star:451 DRY (don't repeat yourself) package for Go.
• godaemon star:439 Utility to write daemons.
• gopencils star:432 Small and simple package to easily consume REST APIs.
• koazee star:400 Library inspired in Lazy evaluation and functional programming that takes the hassle out of working with arrays.
• ergo star:387 The management of multiple local services running over different ports made easy.
• request star:385 Go HTTP Requests for Humans™.
• go-rate star:306 Timed rate limiter for Go.
• mimetype star:279 Package for MIME type detection based on magic numbers.
• clockwork star:276 A simple fake clock for golang.
• Deepcopier star:274 Simple struct copying for Go.
• gubrak star:268 Golang utility library with syntactic sugar. It's like lodash, but for golang.
• gohper star:253 Various tools/modules help for development.
• retry star:241 The most advanced functional mechanism to perform actions repetitively until successful.
• serve star:216 A static http server anywhere you need.
• go-trigger star:202 Go-lang global event triggerer, Register Events with an id and trigger the event from anywhere from your project.
• gotenv star:179 Load environment variables from .env or any io.Reader in Go.
• util star:177 Collection of useful utility functions. (strings, concurrency, manipulations, ...).
• go-bind-plugin star:165 go:generate tool for wrapping symbols exported by golang plugins (1.8 only).
• rerun star:157 Recompiling and rerunning go apps when source changes.
• Death star:156 Managing go application shutdown with signals.
• moldova star:151 Utility for generating random data based on an input template.
• robustly star:142 Runs functions resiliently, catching and restarting panics.
• toolbox star:142 Slice, map, multimap, struct, function, data conversion utilities. Service router, macro evaluator, tokenizer.
• apm star:141 Process manager for Golang applications with an HTTP API.
• delve star:135 Go debugger.
• go-sitemap-generator star:127 XML Sitemap generator written in Go.
• chyle star:127 Changelog generator using a git repository with multiple configuration possibilities.
• onecache star:112 Caching library with support for multiple backend stores (Redis, Memcached, filesystem etc).
• lrserver star:106 LiveReload server for Go.
• go-bsdiff star:99 Pure Go bsdiff and bspatch libraries and CLI tools.
• xferspdy star:80 Xferspdy provides binary diff and patch library in golang.
• pm star:77 Process (i.e. goroutine) manager with an HTTP API.
• mssqlx star:77 Database client library, proxy for any master slave, master master structures. Lightweight and auto balancing in mind.
• go-health star:76 Health package simplifies the way you add health check to your services.
• usql usql is a universal command-line interface for SQL databases.
• UNIS star:69 Common Architecture™ for String Utilities in Go.
• nostromo star:66 CLI for building powerful aliases.
• netbug star:65 Easy remote profiling of your services.
• repeat star:64 Go implementation of different backoff strategies useful for retrying operations and heartbeating.
• multitick star:62 Multiplexor for aligned tickers.
• goseaweedfs star:59 SeaweedFS client library with almost full features.
• sorty star:58 Fast Concurrent / Parallel Sorting.
• handy star:57 Many utilities and helpers like string handlers/formatters and validators.
• minquery star:54 MongoDB / mgo.v2 query that supports efficient pagination (cursors to continue listing documents where we left off).
• mimemagic star:52 Pure Go ultra performant MIME sniffing library/utility.
• go-astitodo star:50 Parse TODOs in your GO code.
• golog star:49 Easy and lightweight CLI tool to time track your tasks.
• goreadability star:48 Webpage summary extractor using Facebook Open Graph and arc90's readability.
• pattern-match star:46 Pattern matching libray.
• gaper star:44 Builds and restarts a Go project when it crashes or some watched file changes.
• copy-pasta star:42 Universal multi-workstation clipboard that uses S3 like backend for the storage.
• goback star:42 Go simple exponential backoff package.
• intrinsic star:41 Use x86 SIMD without writing any assembly code.
• golarm star:41 Fire alarms with system events.
• retry star:40 Simple and easy retry mechanism package for Go.
• taskctl star:39 Concurrent task runner.
• pgo star:39 Convenient functions for PHP community.
• countries star:39 Full implementation of ISO-3166-1, ISO-4217, ITU-T E.164, Unicode CLDR and IANA ccTLD standarts.
• retry-go star:37 Retrying made simple and easy for golang.
• gpath star:36 Library to simplify access struct fields with Go's expression in reflection.
• beyond star:35 The Go tool that will drive you to the AOP world!
• dbt star:33 A framework for running self-updating signed binaries from a central, trusted repository.
• myhttp star:33 Simple API to make HTTP GET requests with timeout support.
• realize Go build system with file watchers and live reload. Run, build and watch file changes with custom paths.
• scan star:31 Scan golang sql.Rows directly to structs, slices, or primitive types.
• rclient star:31 Readable, flexible, simple-to-use client for REST APIs.
• slice star:27 Type-safe functions for common Go slice operations.
• evaluator star:25 Evaluate an expression dynamicly based on s-expression. It's simple and easy to extend.
• cmd star:25 Library for executing shell commands on osx, windows and linux.
• generate star:24 runs go generate recursively on a specified path or environment variable and can filter by regex.
• gostrutils star:22 Collections of string manipulation and conversion functions.
• filter star:22 provide filtering, sanitizing, and conversion of Go data.
• go-lock star:22 go-lock is a lock library implementing read-write mutex and read-write trylock without starvation.
• ugo star:22 ugo is slice toolbox with concise syntax for Go.
• goplaceholder star:21 a small golang lib to generate placeholder images.
• mongo-go-pagination star:20 Mongodb Pagination for official mongodb/mongo-go-driver package which supports both normal queries and Aggregation pipelines.
• slicer star:20 Makes working with slices easier.
• structs star:16 Implement simple functions to manipulate structs.
• go-httpheader star:16 Go library for encoding structs into Header fields.
• rerate star:16 Redis-based rate counter and rate limiter for Go.
• filler star:15 small utility to fill structs using "fill" tag.
• ghokin star:15 Parallelized formatter with no external dependencies for gherkin (cucumber, behat...).
• dlog star:14 Compile-time controlled logger to make your release smaller without removing debug calls.
• limiters star:14 Rate limiters for distributed applications in Golang with configurable back-ends and distributed locks.
• ctxutil star:14 A collection of utility functions for contexts.
• okrun star:14 go run error steamroller.
• rest-go star:13 A package that provide many helpful methods for working with rest api.
• jsend star:12 JSend's implementation writen in Go.
• mimesniffer star:12 A MIME type sniffer for Go.
• command star:11 Command pattern for Go with thread safe serial and parallel dispatcher.
• retry star:11 A pretty simple library to ensure your work to be done.
• tome star:11 Tome was designed to paginate simple RESTful APIs.
• backscanner star:10 A scanner similar to bufio.Scanner, but it reads and returns lines in reverse order, starting at a given position and going backward.
• shutdown star:8 App shutdown hooks for os.Signal handling.
• sliceconv star:6 Slice conversion between primitive types.
• retry star:6 A simple but highly configurable retry package for Go.
• go-problemdetails star:6 Go package for working with Problem Details.
• r Python-like range() experience for Go.
• go-convert star:5 Package go-convert enbles you to convert a value into another type.
• ptr star:5 Package that provide functions for simplified creation of pointers from constants of basic types.
• silk star:4 Read silk netflow files.
• blank star:4 Verify or remove blanks and whitespace from strings.
• olaf star:1 Twitter Snowflake implemented in Go.
• nfdump star:1 Read nfdump netflow files.

UUID

Libraries for working with UUIDs.

• uuid star:1945 Go package for UUIDs based on RFC 4122 and DCE 1.1: Authentication and Security Services.
• ulid star:1934 Go implementation of ULID (Universally Unique Lexicographically Sortable Identifier).
• uniq No hassle safe, fast unique identifiers with commands.
• uuid star:809 Implementation of Universally Unique Identifier (UUID). Supports both creation and parsing of UUIDs. Actively maintained fork of satori uuid.
• wuid star:355 An extremely fast unique number generator, 10-135 times faster than UUID.
• goid star:29 Generate and Parse RFC4122 compliant V4 UUIDs.
• sno star:29 Compact, sortable and fast unique IDs with embedded metadata.
• nanoid star:21 A tiny and efficient Go unique string ID generator.
• uuid star:11 Generate, encode, and decode UUIDs v1 with fast or cryptographic-quality random node identifier.

Validation

Libraries for validation.

• validator star:5613 Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving.
• govalidator star:4241 Validators and sanitizers for strings, numerics, slices and structs.
• ozzo-validation star:1496 Supports validation of various data types (structs, strings, maps, slices, etc.) with configurable and extensible validation rules specified in usual code constructs instead of struct tags.
• govalidator star:882 Validate Golang request data with simple rules. Highly inspired by Laravel's request validation.
• validate star:258 Go package for data validation and filtering. support validate Map, Struct, Request(Form, JSON, url.Values, Uploaded Files) data and more features.
• checkdigit star:57 Provide check digit algorithms (Luhn, Verhoeff, Damm) and calculators (ISBN, EAN, JAN, UPC, etc.).
• jio star:44 jio is a json schema validator similar to joi.
• validate star:36 This package provides a framework for writing validations for Go applications.
• gody star:32 🎈 A lightweight struct validator for Go.
• terraform-validator star:29 A norms and conventions validator for Terraform.
• govalid star:16 Fast, tag-based validation for structs.

Version Control

Libraries for version control.

• go-git star:5033 highly extensible Git implementation in pure Go.
• git2go star:1497 Go bindings for libgit2.
• hercules star:1042 gaining advanced insights from Git repository history.
• gh star:75 Scriptable server and net/http middleware for GitHub Webhooks.
• go-vcs star:74 manipulate and inspect VCS repositories in Go.
• hgo star:13 Hgo is a collection of Go packages providing read-access to local Mercurial repositories.

Video

Libraries for manipulating video.

• goav star:1241 Comphrensive Go bindings for FFmpeg.
• m3u8 star:718 Parser and generator library of M3U8 playlists for Apple HLS.
• gmf star:601 Go bindings for FFmpeg av* libraries.
• go-astits star:318 Parse and demux MPEG Transport Streams (.ts) natively in GO.
• go-astisub star:257 Manipulate subtitles in GO (.srt, .stl, .ttml, .webvtt, .ssa/.ass, teletext, .smi, etc.).
• gst star:155 Go bindings for GStreamer.
• libvlc-go star:129 Go bindings for libvlc 2.X/3.X/4.X (used by the VLC media player).
• go-m3u8 star:58 Parser and generator library for Apple m3u8 playlists.
• v4l star:46 Video capture library for Linux, written in Go.
• libgosubs star:14 Subtitle format support for go. Supports .srt, .ttml, and .ass.
• go-mpd star:3 Parser and generator library for MPEG-DASH manifest files.

Web Frameworks

Full stack web frameworks.

• Gin star:39396 Gin is a web framework written in Go! It features a martini-like API with much better performance, up to 40 times faster. If you need performance and good productivity.
• Beego star:24331 beego is an open-source, high-performance web framework for the Go programming language.
• Buffalo Bringing the productivity of Rails to Go!
• Echo star:17517 High performance, minimalist Go web framework.
• Revel star:11728 High-productivity web framework for the Go language.
• Fiber star:6031 An Express.js inspired web framework build on Fasthttp.
• Goa star:3855 Goa provides a holistic approach for developing remote APIs and microservices in Go.
• go-json-rest star:3413 Quick and easy way to setup a RESTful JSON API.
• Gizmo star:3168 Microservice toolkit used by the New York Times.
• Macaron star:2995 Macaron is a high productive and modular design web framework in Go.
• utron star:2161 Lightweight MVC framework for Go(Golang).
• tigertonic star:1001 Go framework for building JSON web services inspired by Dropwizard.
• tango star:839 Micro & pluggable web framework for Go.
• gongular star:433 Fast Go web framework with input mapping/validation and (DI) Dependency Injection.
• Goyave star:429 Feature-complete web framework aimed at clean code and fast development, with powerful built-in functionalities.
• neo star:407 Neo is minimal and fast Go Web Framework with extremely simple API.
• Air star:382 An ideally refined web framework for Go.
• mango star:350 Mango is a modular web-application framework for Go, inspired by Rack, and PEP333.
• Gondola star:315 The web framework for writing faster sites, faster.
• Aero star:282 High-performance web framework for Go, reaches top scores in Lighthouse.
• Golf star:244 Golf is a fast, simple and lightweight micro-web framework for Go. It comes with powerful features and has no dependencies other than the Go Standard Library.
• Flamingo star:150 Framework for pluggable web projects. Including a concept for modules and offering features for DI, Configareas, i18n, template engines, graphql, observability, security, events, routing & reverse routing etc.
• hiboot star:127 hiboot is a high performance web application framework with auto configuration and dependency injection support.
• WebGo star:123 A micro-framework to build web apps; with handler chaining, middleware and context injection. With standard library compliant HTTP handlers(i.e. http.HandlerFunc).
• go-rest star:119 Small and evil REST framework for Go.
• uAdmin star:97 Fully featured web framework for Golang, inspired by Django.
• Ginrpc star:90 Gin parameter automatic binding tool,gin rpc tools.
• Flamingo Commerce star:87 Providing e-commerce features using clean architecture like DDD and ports and adapters, that you can use to build flexible e-commerce applications.
• Gearbox A web framework written in Go with a focus on high performance and memory optimization.
• Microservice star:73 The framework for the creation of microservices, written in Golang.
• Golax star:72 A non Sinatra fast HTTP framework with support for Google custom methods, deep interceptors, recursion and more.
• vox star:58 A golang web framework for humans, inspired by Koa heavily.
• YARF star:56 Fast micro-framework designed to build REST APIs and web services in a fast and simple way.
• patron star:56 Patron is a microservice framework following best cloud practices with a focus on productivity.
• Fireball star:51 More "natural" feeling web framework.
• aah Scalable, performant, rapid development Web framework for Go.
• appy star:43 An opinionated productive web framework that helps scaling business easier.
• rux star:34 Simple and fast web framework for build golang HTTP applications.
• goa star:33 goa is just like koajs for golang, it is a flexible, light, high-performance and extensible web framework based on middleware.
• REST Layer Framework to build REST/GraphQL API on top of databases with mostly configuration over code.
• Resoursea star:31 REST framework for quickly writing resource based services.
• rex star:29 Rex is a library for modular development built upon gorilla/mux, fully compatible with net/http.
• Banjo star:11 Very simple and fast web framework for Go.
• goweb star:6 Web framework with routing, websockets, logging, middleware, static file server (optional gzip), and automatic TLS.

Middlewares

Actual middlewares

• Tollbooth star:1653 Rate limit HTTP request handler.
• CORS star:1523 Easily add CORS capabilities to your API.
• Limiter star:976 Dead simple rate limit middleware for Go.
• go-server-timing star:774 Add/parse Server-Timing header.
• go-fault star:301 Fault injection middleware for Go.
• ln-paywall star:106 Go middleware for monetizing APIs on a per-request basis with the Lightning Network (Bitcoin).
• XFF star:74 Handle X-Forwarded-For header and friends.
• formjson star:34 Transparently handle JSON input as a standard form POST.
• client-timing star:18 An HTTP client for Server-Timing header.

Libraries for creating HTTP middlewares

• negroni star:6715 Idiomatic HTTP middleware for Golang.
• alice star:2036 Painless middleware chaining for Go.
• render star:1360 Go package for easily rendering JSON, XML, and HTML template responses.
• stats star:564 Go middleware that stores various information about your web application.
• interpose star:287 Minimalist net/http middleware for golang.
• muxchain star:208 Lightweight middleware for net/http.
• renderer star:191 Simple, lightweight and faster response (JSON, JSONP, XML, YAML, HTML, File) rendering package for Go.
• rye star:93 Tiny Go middleware library (with canned Middlewares) that supports JWT, CORS, Statsd, and Go 1.7 context.
• gores star:92 Go package that handles HTML, JSON, XML and etc. responses. Useful for RESTful APIs.
• chain star:64 Handler wrapper chaining with scoped data (net/context-based "middleware").
• go-wrap star:58 Small middlewares package for net/http.
• catena star:7 http.Handler wrapper catenation (same API as "chain").

Routers

• mux star:12221 Powerful URL router and dispatcher for golang.
• httprouter star:11401 High performance router. Use this and the standard http handlers to form a very high performance web framework.
• chi star:7730 Small, fast and expressive HTTP router built on net/context.
• gocraft/web star:1420 Mux and middleware package in Go.
• Bone star:1261 Lightning Fast HTTP Multiplexer.
• fasthttprouter star:855 High performance router forked from httprouter. The first router fit for fasthttp.
• Goji star:815 Goji is a minimalistic and flexible HTTP request multiplexer with support for net/context.
• xujiajun/gorouter star:480 A simple and fast HTTP router for Go.
• httptreemux star:430 High-speed, flexible tree-based HTTP router for Go. Inspiration from httprouter.
• lars star:382 Is a lightweight, fast and extensible zero allocation HTTP router for Go used to create customizable frameworks.
• ozzo-routing star:379 An extremely fast Go (golang) HTTP router that supports regular expression route matching. Comes with full support for building RESTful APIs.
• Siesta star:352 Composable framework to write middleware and handlers.
• vestigo star:263 Performant, stand-alone, HTTP compliant URL Router for go web applications.
• gowww/router star:157 Lightning fast HTTP router fully compatible with the net/http.Handler interface.
• alien star:110 Lightweight and fast http router from outer space.
• pure star:100 Is a lightweight HTTP router that sticks to the std "net/http" implementation.
• violetear star:98 Go HTTP router.
• Bxog star:95 Simple and fast HTTP router for Go. It works with routes of varying difficulty, length and nesting. And he knows how to create a URL from the received parameters.
• xmux star:88 High performance muxer based on httprouter with net/context support.
• GoRouter star:82 GoRouter is a Server/API micro framwework, HTTP request router, multiplexer, mux that provides request router with middleware supporting net/context.
• bellt star:44 A simple Go HTTP router.
• FastRouter star:19 a fast, flexible HTTP router written in Go.
• goroute star:6 Simple yet powerful HTTP request multiplexer.

WebAssembly

• tinygo star:6445 Go compiler for small places. Microcontrollers, WebAssembly, and command-line tools. Based on LLVM.
• dom star:392 DOM library.
• go-canvas star:80 Library to use HTML5 Canvas, with all drawing within go code.
• webapi star:59 Bindings for DOM and HTML generated from WebIDL.
• wasmbrowsertest star:51 Run Go WASM tests in your browser.
• vert star:40 Interop between Go and JS values.

Windows

• go-ole star:637 Win32 OLE implementation for golang.
• d3d9 star:104 Go bindings for Direct3D9.
• gosddl star:2 Converter from SDDL-string to user-friendly JSON. SDDL consist of four part: Owner, Primary Group, DACL, SACL.

XML

Libraries and tools for manipulating XML.

• zek star:377 Generate a Go struct from XML.
• xpath star:312 XPath package for Go.
• xquery star:156 XQuery lets you extract data from HTML/XML documents using XPath expression.
• xml2map star:21 XML to MAP converter written Golang.
• XML-Comp star:16 Simple command line XML comparer that generates diffs of folders, files and tags.
• xmlwriter star:12 Procedural XML generation API based on libxml2's xmlwriter module.

Tools

Go software and plugins.

Code Analysis

• GoLint star:3564 Golint is a linter for Go source code.
• Golint online Lints online Go source files on GitHub, Bitbucket and Google Project Hosting using the golint package.
• errcheck star:1473 Errcheck is a program for checking for unchecked errors in Go programs.
• gcvis star:984 Visualise Go program GC trace data in real time.
• staticcheck staticcheck is go vet on steroids, applying a ton of static analysis checks you might be used to from tools like ReSharper for C#.
• tarp tarp finds functions and methods without direct unit tests in Go source code.
• php-parser star:745 A Parser for PHP written in Go.
• go-critic star:745 source code linter that brings checks that are currently not implemented in other linters.
• GoCover.io GoCover.io offers the code coverage of any golang package as a service.
• goimports Tool to fix (add, remove) your Go imports automatically.
• GolangCI GolangCI is an automated Golang code review service for GitHub pull requests. Service is open source and it's free for open source projects.
• goast-viewer star:450 Web based Golang AST visualizer.
• go-mod-outdated star:417 An easy way to find outdated dependencies of your Go projects.
• go-cleanarch star:337 go-cleanarch was created to validate Clean Architecture rules, like a The Dependency Rule and interaction between packages in your Go projects.
• unconvert star:297 Remove unnecessary type conversions from Go source.
• unused unused checks Go code for unused constants, variables, functions and types.
• gostatus star:244 Command line tool, shows the status of repositories that contain Go packages.
• dupl star:205 Tool for code clone detection.
• tickgit star:176 CLI and go package for surfacing code comment TODOs (in any language) and applying a git blameto identify the author.
• apicompat star:171 Checks recent changes to a Go project for backwards incompatible changes.
• gosimple gosimple is a linter for Go source code that specialises on simplifying code.
• goreturns Adds zero-value return statements to match the func return types.
• GoPlantUML star:167 Library and CLI that generates text plantump class diagram containing information about structures and interfaces with the relationship among them.
• go-checkstyle star:104 checkstyle is a style check tool like java checkstyle. This tool inspired by java checkstyle, golint. The style referred to some points in Go Code Review Comments.
• lint star:64 Run linters as part of go test.
• validate star:61 Automatically validates struct fields with tags.
• go-outdated star:44 Console application that displays outdated packages.
• golines star:42 Formatter that automatically shortens long lines in Go code.

Editor Plugins

• vim-go star:12307 Go development plugin for Vim.
• vscode-go star:5973 Extension for Visual Studio Code (VS Code) which provides support for the Go language.
• gocode star:4861 Autocompletion daemon for the Go programming language.
• goprofiling This extension adds benchmark profiling support for the Go language to VS Code.
• GoSublime star:3355 Golang plugin collection for the text editor SublimeText 3 providing code completion and other IDE-like features.
• go-plus star:1506 Go (Golang) Package For Atom That Adds Autocomplete, Formatting, Syntax Checking, Linting and Vetting.
• go-mode star:1074 Go mode for GNU/Emacs.
• Watch star:174 Runs a command in an acme win on file changes.
• vim-compiler-go star:85 Vim plugin to highlight syntax errors on save.
• Go plugin for JetBrains IDEs Go plugin for JetBrains IDEs.
• go-language-server star:32 A wrapper to turn the VSCode go extension into a language server supporting the language-server-protocol.
• gounit-vim star:19 Vim plugin for generating Go tests based on the function's or method's signature.
• theia-go-extension star:13 Go language support for the Theia IDE.

Go Generate Tools

• gotests star:2745 Generate Go tests from your source code.
• genny star:1232 Elegant generics for Go.
• re2dfa star:182 Transform regular expressions into finite state machines and output Go source code.
• TOML-to-Go Translates TOML into a Go type in the browser instantly.
• gocontracts star:61 brings design-by-contract to Go by synchronizing the code with the documentation.
• gonerics Idiomatic Generics in Go.
• hasgo star:43 Generate Haskell inspired functions for your slices.
• gounit star:39 Generate Go tests using your own templates.
• xgen star:33 XSD (XML Schema Definition) parser and Go/C/Java/Rust/TypeScript code generator.
• generic star:32 flexible data type for Go.

Go Tools

• go-swagger star:5293 Swagger 2.0 implementation for go. Swagger is a simple yet powerful representation of your RESTful API.
• depth star:491 Visualize dependency trees of any package by analyzing imports.
• gb An easy to use project based build tool for the Go programming language.
• richgo star:466 Enrich go test outputs with text decorations.
• rts star:201 RTS: response to struct. Generates Go structs from server responses.
• godbg star:168 Implementation of Rusts dbg! macro for quick and easy debugging during development.
• gomodrun Go tool that executes and caches binaries included in go.mod files.
• colorgo star:105 Wrapper around go command for colorized go build output.
• gothanks star:93 GoThanks automatically stars your go.mod github dependencies, sending this way some love to their maintainers.
• go-pkg-complete star:37 Bash completion for go and wgo.
• igo star:30 An igo to go transpiler (new language features for Go language!)
• OctoLinker Navigate through go files efficiently with the OctoLinker browser extension for GitHub.
• go-james star:25 Go project skeleton creator, builds and tests your projects without the manual setup.
• generator-go-lang star:21 A Yeoman generator to get new Go projects started.
• gilbert Build system and task runner for Go projects.
• go-callvis Visualize call graph of your Go program using dot format.

Software Packages

Software written in Go.

DevOps Tools

• kubernetes star:67544 Container Cluster Manager from Google.
• Moby star:57407 Collaborative project for the container ecosystem to assemble container-based systems.
• traefik star:29420 Reverse proxy and load balancer with support for multiple backends.
• gitea-github-migrator Migrate all your GitHub repositories, issues, milestones and labels to your Gitea instance.
• Gitea star:20309 Fork of Gogs, entirely community driven.
• Vegeta star:14839 HTTP load testing tool and library. It's over 9000!
• Hey star:8641 Hey is a tiny program that sends some load to a web application.
• webhook star:5386 Tool which allows user to create HTTP endpoints (hooks) that execute commands on the server.
• Wide Web-based IDE for Teams using Golang.
• GVM star:5373 GVM provides an interface to manage Go versions.
• gaia star:4117 Build powerful pipelines in any programming language.
• gox star:3770 Dead simple, no frills Go cross compile tool.
• bosun star:3012 Time Series Alerting Framework.
• bombardier star:2131 Fast cross-platform HTTP benchmarking tool.
• fac star:1658 Command-line user interface to fix git merge conflicts.
• goxc star:1649 build tool for Go, with a focus on cross-compiling and packaging.
• Pomerium star:1541 Pomerium is an identity-aware access proxy.
• kala star:1474 Simplistic, modern, and performant job scheduler.
• script star:1474 Making it easy to write shell-like scripts in Go for DevOps and system administration tasks.
• StatusOK star:1352 Monitor your Website and REST APIs.Get Notified through Slack, E-mail when your server is down or response time is more than expected.
• s3gof3r star:1055 Small utility/library optimized for high speed transfer of large objects into and out of Amazon S3.
• go-selfupdate star:734 Enable your Go applications to self update.
• skm star:629 SKM is a simple and powerful SSH Keys Manager, it helps you to manage your multiple SSH keys easily!
• Scaleway-cli star:588 Manage BareMetal Servers from Command Line (as easily as with Docker).
• aurora star:460 Cross-platform web-based Beanstalkd queue server console.
• cassowary star:425 Modern cross-platform HTTP load-testing tool written in Go.
• gonative star:321 Tool which creates a build of Go that can cross compile to all platforms while still using the Cgo-enabled versions of the stdlib packages.
• govvv “go build” wrapper to easily add version information into Go binaries.
• s5cmd star:319 Blazing fast S3 and local filesystem execution tool.
• Mora star:273 REST server for accessing MongoDB documents and meta data.
• lstags star:259 Tool and API to sync Docker images across different registries.
• dogo star:229 Monitoring changes in the source file and automatically compile and run (restart).
• Pewpew star:227 Flexible HTTP command line stress tester.
• Gogs A Self Hosted Git Service in the Go Programming Language.
• godbg star:220 Web-based gdb front-end application.
• manssh star:219 manssh is a command line tool for managing your ssh alias config easily.
• aptly aptly is a Debian repository management tool.
• uTask star:196 Automation engine that models and executes business processes declared in yaml.
• Blast star:184 A simple tool for API load testing and batch jobs.
• jcli star:179 Jenkins CLI allows you manage your Jenkins as an easy way.
• gobrew star:177 gobrew lets you easily switch between multiple versions of go.
• ostent star:165 collects and displays system metrics and optionally relays to Graphite and/or InfluxDB.
• Packer Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.
• grapes star:150 Lightweight tool designed to distribute commands over ssh with ease.
• easyssh-proxy star:146 Golang package for easy remote execution through SSH and SCP downloading via ProxyCommand.
• kcli star:121 Command line tool for inspecting kafka topics/partitions/messages.
• terraform-provider-openapi star:107 Terraform provider plugin that dynamically configures itself at runtime based on an OpenAPI document (formerly known as swagger file) containing the definitions of the APIs exposed.
• winrm-cli star:94 Cli tool to remotely execute commands on Windows machines.
• Dockerfile-Generator star:80 A go library and an executable that produces valid Dockerfiles using various input channels.
• go-furnace star:77 Hosting solution written in Go. Deploy your Application with ease on AWS, GCP or DigitalOcean.
• drone-scp star:74 Copy files and artifacts via SSH using a binary, docker or Drone CI.
• Dropship star:52 Tool for deploying code via cdn.
• Rodent star:31 Rodent helps you manage Go versions, projects and track dependencies.
• drone-jenkins star:29 Trigger downstream Jenkins jobs using a binary, docker or Drone CI.
• awsenv star:24 Small binary that loads Amazon (AWS) environment variables for a profile.
• lwc star:21 A live-updating version of the UNIX wc command.
• s3-proxy star:13 S3 Proxy with GET, PUT and DELETE methods and authentication (OpenID Connect and Basic Auth).
• DepCharge star:13 Helps orchestrating the execution of commands across the many dependencies in larger projects.
• sg star:5 Benchmarks a set of HTTP endpoints (like ab), with possibility to use the response code and data between each call for specific server stress based on its previous response.

Other Software

• restic star:10407 De-duplicating backup program.
• Seaweed File System star:9807 Fast, Simple and Scalable Distributed File System with O(1) disk seek.
• confd star:7056 Manage local application configuration files using templates and data from etcd or consul.
• Comcast star:6663 Simulate bad network connections.
• LiteIDE star:6066 LiteIDE is a simple, open source, cross-platform Go IDE.
• drive star:5505 Google Drive client for the commandline.
• toxiproxy star:4616 Proxy to simulate network and system conditions for automated tests.
• tsuru Extensible and open source Platform as a Service software.
• nes star:4502 Nintendo Entertainment System (NES) emulator written in Go.
• orange-cat Markdown previewer written in Go.
• Duplicacy star:3335 A cross-platform network and cloud backup tool based on the idea of lock-free deduplication.
• Docker Open platform for distributed applications for developers and sysadmins.
• croc star:3240 Easily and securely send files or folders from one computer to another.
• myLG star:2326 Command Line Network Diagnostic tool written in Go.
• GoBoy star:2225 Nintendo Game Boy Color emulator written in Go.
• syncthing Open, decentralized file synchronization tool and protocol.
• Stack Up star:2174 Stack Up, a super simple deployment tool - just Unix - think of it like 'make' for a network of servers.
• lgo star:2031 Interactive Go programming with Jupyter. It supports code completion, code inspection and 100% Go compatibility.
• limetext Lime Text is a powerful and elegant text editor primarily developed in Go that aims to be a Free and open-source software successor to Sublime Text.
• Circuit star:1837 Circuit is a programmable platform-as-a-service (PaaS) and/or Infrastructure-as-a-Service (IaaS), for management, discovery, synchronization and orchestration of services and hosts comprising cloud applications.
• snap star:1798 Powerful telemetry framework.
• scc star:1581 Sloc Cloc and Code, a very fast accurate code counter with complexity calculations and COCOMO estimates.
• Documize star:1103 Modern wiki software that integrates data from SaaS tools.
• Go Package Store star:890 App that displays updates for the Go packages in your GOPATH.
• peg star:702 Peg, Parsing Expression Grammar, is an implementation of a Packrat parser generator.
• Leaps star:681 Pair programming service using Operational Transforms.
• vFlow star:680 High-performance, scalable and reliable IPFIX, sFlow and Netflow collector.
• shell2http star:590 Executing shell commands via http server (for prototyping or remote control).
• gfile star:561 Securely transfer files between two computers, without any third party, over WebRTC.
• mockingjay star:453 Fake HTTP servers and consumer driven contracts from one configuration file. You can also make the server randomly misbehave to help do more realistic performance tests.
• go-peerflix star:405 Video streaming torrent client.
• gocc star:404 Gocc is a compiler kit for Go written in Go.
• ipe star:303 Open source Pusher server implementation compatible with Pusher client libraries written in GO.
• wellington star:293 Sass project management tool, extends the language with sprite functions (like Compass).
• ide star:258 Browser accessible IDE. Designed for Go with Go.
• Cherry star:220 Tiny webchat server in Go.
• Juju Cloud-agnostic service deployment and orchestration - supports EC2, Azure, Openstack, MAAS and more.
• joincap star:141 Command-line utility for merging multiple pcap files together.
• Orbit star:137 A simple tool for running commands and generating files from templates.
• borg Terminal based search engine for bash snippets.
• boxed star:71 Dropbox based blog engine.
• dp star:57 Through SDK for data exchange with blockchain, developers can get easy access to DAPP development.
• naclpipe star:21 Simple NaCL EC25519 based crypto pipe tool written in Go.
• term-quiz star:17 Quizzes for your terminal.
• Snitch star:15 Simple way to notify your team and many tools when someone has deployed any application via Tsuru.
• hugo Fast and Modern Static Website Engine.
• Gor Http traffic replication tool, for replaying traffic from production to stage/dev environments in real-time.
• GoLand Full featured cross-platform Go IDE.
• GoDocTooltip star:11 Chrome extension for Go Doc sites, which shows function description as tooltip at function list.

Resources

Where to discover new Go libraries.

Benchmarks

• go-http-routing-benchmark star:1391 Go HTTP request router benchmark and comparison.
• go-web-framework-benchmark star:1239 Go web framework benchmark.
• go_serialization_benchmarks star:1005 Benchmarks of Go serialization methods.
• gocostmodel Benchmarks of common basic operations for the Go language.
• skynet star:962 Skynet 1M threads microbenchmark.
• speedtest-resize star:193 Compare various Image resize algorithms for the Go language.
• go-benchmarks star:134 Few miscellaneous Go microbenchmarks. Compare some language features to alternative approaches.
• gospeed star:102 Go micro-benchmarks for calculating the speed of language constructs.
• autobench star:90 Framework to compare the performance between different Go versions.
• golang-sql-benchmark star:52 Collection of benchmarks for popular Go database/SQL utilities.
• go-benchmark-app star:21 Powerful HTTP-benchmark tool mixed with Аb, Wrk, Siege tools. Gathering statistics and various parameters for benchmarks and comparison results.
• kvbench star:17 Key/Value database benchmark.

Conferences

• Capital Go Washington, D.C., USA.
• GopherCon Europe Berlin, Germany.
• GothamGo New York City, USA.
• GopherCon Vietnam Ho Chi Minh City, Vietnam.
• GopherCon Singapore Mapletree Business City, Singapore.
• GopherCon Russia Moscow, Russia.
• GopherCon Israel Tel Aviv, Israel.
• GopherCon India Pune, India.
• GopherCon Brazil Florianópolis, BR.
• dotGo Paris, France.
• GopherCon Australia Sydney, Australia.
• GopherCon Denver, USA.
• GopherChina Shanghai, China.
• GolangUK London, UK.
• GoLab Florence, Italy.
• GoDays Berlin, Germany.
• GoCon Tokyo, Japan.
• GoWayFest Minsk, Belarus.

E-Books

• A Go Developer's Notebook
• An Introduction to Programming in Go
• Build Web Application with Golang
• Building Web Apps With Go
• Go 101 A book focusing on Go syntax/semantics and all kinds of details.
• Go Bootcamp
• GoBooks star:8018 A curated list of Go books.
• Go Succinctly star:13 in Persian.
• Learning Go
• Network Programming With Go
• The Go Programming Language
• The Golang Standard Library by Example (Chinese)
• Web Application with Go the Anti-Textbook
• Writing A Compiler In Go
• Writing An Interpreter In Go

Gophers

• Free Gophers Pack star:1930 Gopher graphics pack by Maria Letta with illustrations and emotional characters in vector and raster.
• gopher-logos star:73 adorable gopher logos.
• Go-gopher-Vector star:35 Go gopher Vector Data [.ai, .svg].
• gopher-stickers
• gopher-vector
• gophericons
• gophers star:2187 Gopher artworks by Ashley McNamara.
• gophers star:2024 Free gophers.
• gopherize.me star:392 Gopherize yourself.
• gophers star:58 Gopher amigurumi toy pattern.
• gophers star:52 random gopher graphics.

Meetups

• Basel Go Meetup
• Berlin Golang
• Brisbane Gophers
• Canberra Gophers
• Go Language NYC
• Go London User Group
• Go Remote Meetup
• Go Toronto
• Go User Group Atlanta
• GoBandung
• GoBridge, San Francisco, CA
• GoCracow - Krakow, Poland
• GoJakarta
• Golang Amsterdam
• Golang Argentina
• Golang Baltimore, MD
• Golang Bangalore
• Golang Belo Horizonte - Brazil
• Golang Boston
• Golang Bulgaria
• Golang Cardiff, UK
• Golang Copenhagen
• Golang Curitiba - Brazil
• Golang DC, Arlington, VA
• Golang Dorset, UK
• Golang Estonia
• Golang Gurgaon, India
• Golang Hamburg - Germany
• Golang Israel
• Golang Joinville - Brazil
• Golang Korea
• Golang Lima - Peru
• Golang Lyon
• Golang Marseille
• Golang Melbourne
• Golang Mountain View
• Golang New York
• Golang North East
• Golang Paris
• Golang Pune
• Golang Singapore
• Golang Stockholm
• Golang Sydney, AU
• Golang São Paulo - Brazil
• Golang Taipei
• Golang Vancouver, BC
• Golang Казань
• Golang Москва
• Golang Питер
• GoSF - San Francisco, CA
• Istanbul Golang
• Seattle Go Programmers
• Ukrainian Golang User Groups
• Utah Go User Group
• Women Who Go - San Francisco, CA

Add the group of your city/country here (send PR)

Social Media

Twitter

• @golang
• @golang_news
• @golangch
• @golangflow
• @golangweekly

Reddit

• r/golang

Websites

• Go Projects List of projects on the Go community wiki.
• awesome-awesomeness star:26241 List of other amazingly awesome lists.
• CodinGame Learn Go by solving interactive tasks using small games as practical examples.
• Go Blog The official Go blog.
• Go Challenge Learn Go by solving problems and getting feedback from Go experts.
• Go Community on Hashnode Community of Gophers on Hashnode.
• Go Forum Forum to discuss Go.
• Go In 5 Minutes 5 minute screencasts focused on getting one thing done.
• Go Report Card A report card for your Go package.
• go.dev A hub for Go developers.
• Awesome Remote Job star:18465 Curated list of awesome remote jobs. A lot of them are looking for Go hackers.
• Gophercises Free coding exercises for budding gophers.
• golang-graphics star:144 Collection of Go images, graphics, and art.
• Gopher Community Chat Join Our New Slack Community For Gophers (Understand how it came).
• justforfunc Youtube channel dedicated to Go programming language tips and tricks, hosted by Francesc Campoy @francesc.
• gowalker.org Go Project API documentation.
• json2go Advanced JSON to Go struct conversion - online tool.
• Google Plus Community The Google+ community for #golang enthusiasts.
• golang-nuts Go mailing list.
• Awesome Go @LibHunt Your go-to Go Toolbox.
• Golang News Links and news about Go programming.
• Golang Flow Post Updates, News, Packages and more.
• Golang Developer Jobs Developer Jobs exclusivly for Golang related Roles.
• godoc.org Documentation for open source Go packages.
• gocryforhelp star:38 Collection of Go projects that needs help. Good place to start your open-source way in Go.
• Made with Golang
• r/Golang News about Go.
• studygolang The community of studygolang in China.
• Trending Go repositories on GitHub today Good place to find new Go libraries.
• TutorialEdge - Golang

Tutorials

• Build web application with Golang star:35057 Golang ebook intro how to build a web app with golang.
• Building and Testing a REST API in Go with Gorilla Mux and PostgreSQL We’ll write an API with the help of the powerful Gorilla Mux.
• Building Go Web Applications and Microservices Using Gin Get familiar with Gin and find out how it can help you reduce boilerplate code and build a request handling pipeline.
• Caching Slow Database Queries How to cache slow database queries.
• Canceling MySQL How to cancel MySQL queries.
• Ethereum Development with Go star:621 A little e-book on Ethereum Development with Go.
• Games With Go A video series teaching programming and game development.
• Go By Example Hands-on introduction to Go using annotated example programs.
• Go Cheat Sheet Go's reference card.
• Go database/sql tutorial Introduction to database/sql.
• Go Playground for iOS Interactively edit & play Go snippets on your mobile device.
• 50 Shades of Go Traps, Gotchas, and Common Mistakes for New Golang Devs.
• A Guide to Golang E-Commerce Building a Golang site for e-commerce (demo included).
• A Tour of Go Interactive tour of Go.
• Go WebAssembly Tutorial - Building a Simple Calculator
• go-patterns star:12985 Curated list of Go design patterns, recipes and idioms.
• Learn Go with TDD star:11328 Learn Go with test-driven development.
• Learning Golang - From zero to hero Getting started with golang for beginner.
• package main YouTube channel about Programming in Go.
• Programming with Google Go Coursera Specialization to learn about Go from scratch.
• Golang for Node.js Developers star:1278 Examples of Golang compared to Node.js for learning.
• Golangbot Tutorials to get started with programming in Go.
• GolangCode Collection of code snippets and tutorials to help tackle every day issues.
• GopherSnippets Code snippets with tests and testable examples for the Go programming language.
• Hackr.io Learn Go from the best online golang tutorials submitted & voted by the golang programming community.
• How To Deploy a Go Web Application with Docker Learn how to use Docker for Go development and how to build production Docker images.
• How to Use Godog for Behavior-driven Development in Go Get started with Godog — a Behavior-driven development framework for building and testing Go applications.
• The world’s easiest introduction to WebAssembly with Golang
• Working with Go star:1159 Intro to go for experienced programmers.
• Your basic Go Huge collection of tutorials and how to's.