awesome-go-cn/README_EN.md

Awesome Go

This project is awesome-go Chinese version, last sync time : 2019-11-28 10:11:13(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	The project has been archived。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

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If you see a package or project here that is no longer maintained or is not a good fit, please submit a pull request to improve this file.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
  • 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
  • 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
  • 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:482 A low-level library to play sound on multiple platforms.
• PortAudio star:318 Go bindings for the PortAudio audio I/O library.
• music-theory star:267 Music theory models in Go.
• waveform star:262 Go package capable of generating waveform images from audio streams.
• portmidi star:216 Go bindings for PortMidi.
• id3v2 star:124 Fast and stable ID3 parsing and writing library for Go.
• flac star:107 Native Go FLAC encoder/decoder with support for FLAC streams.
• mp3 star:101 Native Go MP3 decoder.
• mix star:101 Sequence-based Go-native audio mixer for music apps.
• go-sox star:95 libsox bindings for go.
• malgo star:83 Mini audio library.
• taglib star:70 Go bindings for taglib.
• gaad star:61 Native Go AAC bitstream parser.
• minimp3 star:32 Lightweight MP3 decoder library.
• go_mediainfo star:27 libmediainfo bindings for go.
• EasyMIDI star:24 EasyMidi is a simple and reliable library for working with standard midi file (SMF).
• vorbis star:23 "Native" Go Vorbis decoder (uses CGO, but has no dependencies).
• gosamplerate star:8 libsamplerate bindings for go.

Authentication and OAuth

Libraries for implementing authentications schemes.

• jwt-go star:6599 Golang implementation of JSON Web Tokens (JWT).
• casbin star:5607 Authorization library that supports access control models like ACL, RBAC, ABAC.
• oauth2 star:2585 Successor of goauth2. Generic OAuth 2.0 package that comes with JWT, Google APIs, Compute Engine and App Engine support.
• goth star:2407 provides a simple, clean, and idiomatic way to use OAuth and OAuth2. Handles multiple providers out of the box.
• authboss star:2033 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.
• osin star:1564 Golang OAuth2 server library.
• go-jose star:1396 Fairly complete implementation of the JOSE working group's JSON Web Token, JSON Web Signatures, and JSON Web Encryption specs.
• go-oauth2-server star:1379 Standalone, specification-compliant, OAuth2 server written in Golang.
• gologin star:1117 chainable handlers for login with OAuth1 and OAuth2 authentication providers.
• gorbac star:954 provides a lightweight role-based access control (RBAC) implementation in Golang.
• loginsrv star:854 JWT login microservice with plugable backends such as OAuth2 (Github), htpasswd, osiam.
• scs star:619 Session Manager for HTTP servers.
• permissions2 star:373 Library for keeping track of users, login states and permissions. Uses secure cookies and bcrypt.
• paseto star:260 Golang implementation of Platform-Agnostic Security Tokens (PASETO).
• httpauth star:187 HTTP Authentication middleware.
• jeff star:181 Simple, flexible, secure and idiomatic web session management with pluggable backends.
• jwt-auth star:160 JWT middleware for Golang http servers with many configuration options.
• jwt star:125 Lightweight JSON Web Token (JWT) library.
• session star:94 Go session management for web servers (including support for Google App Engine - GAE).
• branca star:85 Golang implementation of Branca Tokens.
• jwt star:76 Clean and easy to use implementation of JSON Web Tokens (JWT).
• sessionup star:74 Simple, yet effective HTTP session management and identification package.
• sessions star:48 Dead simple, highly performant, highly customizable sessions service for go http servers.
• sjwt star:43 Simple jwt generator and parser.
• rbac star:37 Minimalistic RBAC package for Go applications.
• securecookie star:34 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.
• scope star:2 Easily Manage OAuth2 Scopes In Go.
• cookiestxt star:2 provides parser of cookies.txt file format.

Bot Building

Libraries for building and working with bots.

• telegram-bot-api star:1785 Simple and clean Telegram bot client.
• telebot star:1041 Telegram bot framework written in Go.
• go-chat-bot star:520 IRC, Slack & Telegram bot written in Go.
• slacker star:341 Easy to use framework to create Slack bots.
• Golang CryptoTrading Bot star:259 A golang implementation of a console-based trading bot for cryptocurrency exchanges.
• tbot star:238 Telegram bot server with API similar to net/http.
• Kelp star:229 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.
• Tenyks star:168 Service oriented IRC bot using Redis and JSON for messaging.
• go-sarah star:149 Framework to build bot for desired chat services including LINE, Slack, Gitter and more.
• hanu star:116 Framework for writing Slack bots.
• go-tgbot star:90 Pure Golang Telegram Bot API wrapper, generated from swagger file, session-based router and middleware.
• margelet star:60 Framework for building Telegram bots.
• govkbot star:28 Simple Go VK bot library.
• slackscot star:17 Another framework for building Slack bots.
• micha star:11 Go Library for Telegram bot api.

Command Line

Standard CLI

Libraries for building standard or basic Command Line applications.

• cobra star:14742 Commander for modern Go CLI interactions.
• urfave/cli star:12444 Simple, fast, and fun package for building command line apps in Go (formerly codegangsta/cli).
• kingpin star:2723 Command line and flag parser supporting sub commands.
• go-flags star:1570 go command line option parser.
• readline star:1412 Pure golang implementation that provides most features in GNU-Readline under MIT license.
• Dnote star:1337 A simple and end-to-end encrypted notebook for developers.
• docopt.go star:1192 Command-line arguments parser that will make you smile.
• mitchellh/cli star:1043 Go library for implementing command-line interfaces.
• pflag star:908 Drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags.
• cli-init star:883 The easy way to start building Golang command line applications.
• climax Alternative CLI with "human face", in spirit of Go command.
• go-arg star:794 Struct-based argument parsing in Go.
• complete star:656 Write bash completions in Go + Go command bash completion.
• mow.cli star:636 Go library for building CLI applications with sophisticated flag and argument parsing and validation.
• liner star:613 Go readline-like library for command-line interfaces.
• flaggy star:522 A robust and idiomatic flags package with excellent subcommand support.
• cli star:492 Feature-rich and easy to use command-line package based on golang struct tags.
• ops star:303 Unikernel Builder/Orchestrator.
• argparse star:138 Command line argument parser inspired by Python's argparse module.
• commandeer star:103 Dev-friendly CLI apps: sets up flags, defaults, and usage based on struct fields and tags.
• flag star:102 Simple but powerful command line option parsing library for Go supporting subcommand.
• sflags star:99 Struct based flags generator for flag, urfave/cli, pflag, cobra, kingpin and other libraries.
• ukautz/clif star:97 Small command line interface framework.
• wmenu star:93 Easy to use menu structure for cli applications that prompts users to make choices.
• job star:60 JOB, make your short-term command as a long-term job.
• cli star:58 Simple and complete API for building command line interfaces in Go.
• env star:45 Tag-based environment configuration for structs.
• 1build star:42 Command line tool to frictionlessly manage project-specific commands.
• wlog star:39 Simple logging interface that supports cross-platform color and concurrency.
• hiboot cli cli application framework with auto configuration and dependency injection.
• gocmd star:36 Go library for building command line applications.
• flagvar star:31 A collection of flag argument types for Go's standard flag package.
• strumt star:31 Library to create prompt chain.
• cmdr star:21 A POSIX/GNU style, getopt-like command-line UI Go library.
• argv star:18 Go library to split command line string as arguments array using the bash syntax.
• go-getoptions star:16 Go option parser inspired on the flexibility of Perl’s GetOpt::Long.
• go-commander star:15 Go library to simplify CLI workflow.
• sand star:9 Simple API for creating interpreters and so much more.
• ts star:7 Timestamp convert & compare tool.
• clîr star:2 A Simple and Clear CLI library. Dependency free.

Advanced Console UIs

Libraries for building Console Applications and Console User Interfaces.

• termui star:9282 Go terminal dashboard based on termbox-go and inspired by blessed-contrib.
• gommon/color Style terminal text.
• gocui star:5719 Minimalist Go library aimed at creating Console User Interfaces.
• termbox-go star:3585 Termbox is a library for creating cross-platform text-based interfaces.
• go-prompt star:2669 Library for building a powerful interactive prompt, inspired by python-prompt-toolkit.
• uiprogress star:1592 Flexible library to render progress bars in terminal applications.
• asciigraph star:1223 Go package to make lightweight ASCII line graph ╭┈╯ in command line apps with no other dependencies.
• uilive star:1027 Library for updating terminal output in realtime.
• termdash star:889 Go terminal dashboard based on termbox-go and inspired by termui.
• progressbar star:808 Basic thread-safe progress bar that works in every OS.
• mpb star:777 Multi progress bar for terminal applications.
• aurora star:721 ANSI terminal colors that supports fmt.Printf/Sprintf.
• uitable star:525 Library to improve readability in terminal apps using tabular data.
• go-colorable star:397 Colorable writer for windows.
• go-isatty star:376 isatty for golang.
• chalk star:321 Intuitive package for prettifying terminal/console output.
• gookit/color star:258 Terminal color rendering tool library, support 16 colors, 256 colors, RGB color rendering output, compatible with Windows.
• tabby star:254 A tiny library for super simple Golang tables.
• go-colortext star:200 Go library for color output in terminals.
• simpletable star:180 Simple tables in terminal with Go.
• cfmt star:68 Contextual fmt inspired by bootstrap color classes.
• tabular star:35 Print ASCII tables from command line utilities without the need to pass large sets of data to the API.
• colourize star:17 Go library for ANSI colour text in terminals.
• ctc star:12 The non-invasive cross-platform terminal color library does not need to modify the Print method.
• go-ataman star:8 Go library for rendering ANSI colored text templates in terminals.

Configuration

Libraries for configuration parsing.

• viper star:10430 Go configuration with fangs.
• kelseyhightower/envconfig star:2581 Go library for managing configuration data from environment variables.
• godotenv star:2405 Go port of Ruby's dotenv library (Loads environment variables from .env).
• ini star:1762 Go package to read and write INI files.
• env star:1339 Parse environment variables to Go structs (with defaults).
• konfig star:538 Composable, observable and performant config handling for Go for the distributed processing era.
• confita star:276 Load configuration in cascade from multiple backends into a struct.
• store star:246 Lightweight configuration manager for Go.
• config star:221 JSON or YAML configuration wrapper with environment variables and flags parsing.
• config star:205 Cloud native application configuration. Bind ENV to structs in only two lines.
• joshbetz/config star:199 Small configuration library for Go that parses environment variables, JSON files, and reloads automatically on SIGHUP.
• hjson star:180 Human JSON, a configuration file format for humans. Relaxed syntax, fewer mistakes, more comments.
• envconfig star:156 Read your configuration from environment variables.
• gcfg star:120 read INI-style configuration files into Go structs; supports user-defined types and subsections.
• goConfig star:117 Parses a struct as input and populates the fields of this struct with parameters from command line, environment variables and configuration file.
• gookit/config star:112 application config manage(load,get,set). support JSON, YAML, TOML, INI, HCL. multi file load, data override merge.
• koanf star:106 Light weight, extensible library for reading config in Go applications. Built in support for JSON, TOML, YAML, env, command line.
• envh star:92 Helpers to manage environment variables.
• envcfg star:90 Un-marshaling environment variables to Go structs.
• 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.
• configure star:50 Provides configuration through multiple sources, including JSON, flags and environment variables.
• harvester star:45 Harvester, a easy to use static and dynamic configuration package supportig seeding, env vars and Consul integration.
• xdg star:42 Cross platform package that follows the XDG Standard.
• config star:33 A lightweight yet powerful config package for Go projects.
• go-up star:26 A simple configuration library with recursive placeholders resolution and no magic.
• ingo star:25 Flags persisted in an ini-like config file.
• mini star:20 Golang package for parsing ini-style configuration files.
• conflate star:10 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:8 Read environment variables easily with dotenv support.
• envconf star:8 Configuration from environment.
• sprbox star:4 Build-environment aware toolbox factory and agnostic config parser (YAML, TOML, JSON and Environment vars).
• 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.

Continuous Integration

Tools for help with continuous integration.

• drone star:19928 Drone is a Continuous Integration platform built on Docker, written in Go.
• CDS star:2492 Enterprise-Grade CI/CD and DevOps Automation Open Source Platform.
• goveralls star:613 Go integration for Coveralls.io continuous code coverage tracking system.
• overalls star:98 Multi-Package go project coverprofile for tools like goveralls.
• duci star:49 A simple ci server no needs domain specific languages.
• gomason star:37 Test, Build, Sign, and Publish your go binaries from a clean workspace.
• roveralls star:12 Recursive coverage testing tool.

CSS Preprocessors

Libraries for preprocessing CSS files.

• gcss star:426 Pure Go CSS Preprocessor.
• go-libsass star:140 Go wrapper to the 100% Sass compatible libsass project.

Data Structures

Generic datastructures and algorithms in Go.

• gods star:7088 Go Data Structures. Containers, Sets, Lists, Stacks, Maps, BidiMaps, Trees, HashSet etc.
• go-datastructures star:5317 Collection of useful, performant, and thread-safe data structures.
• golang-set star:1315 Thread-Safe and Non-Thread-Safe high-performance sets for Go.
• boomfilters star:1199 Probabilistic data structures for processing continuous, unbounded streams.
• gota star:995 Implementation of dataframes, series, and data wrangling methods for Go.
• roaring star:748 Go package implementing compressed bitsets.
• willf/bloom star:719 Go package implementing Bloom filters.
• hyperloglog star:672 HyperLogLog implementation with Sparse, LogLog-Beta bias correction and TailCut space reduction.
• cuckoofilter star:553 Cuckoo filter: a good alternative to a counting bloom filter implemented in Go.
• bitset star:519 Go package implementing bitsets.
• trie star:443 Trie implementation in Go.
• go-geoindex star:316 In-memory geo index.
• algorithms star:299 Algorithms and data structures.CLRS study.
• gocache star:291 A complete Go cache library with mutiple stores (memory, memcache, redis, ...), chainable, loadable, metrics cache and more.
• mafsa star:278 MA-FSA implementation with Minimal Perfect Hashing.
• goskiplist star:209 Skip list implementation in Go.
• hilbert star:189 Go package for mapping values to and from space-filling curves, such as Hilbert and Peano curves.
• merkletree star:170 Implementation of a merkle tree providing an efficient and secure verification of the contents of data structures.
• bloom star:131 Bloom filters implemented in Go.
• binpacker star:130 Binary packer and unpacker helps user build custom binary stream.
• go-adaptive-radix-tree star:117 Go implementation of Adaptive Radix Tree.
• ttlcache star:112 In-memory LRU string-interface{} map with expiration for golang.
• skiplist star:107 Very fast Go Skiplist implementation.
• go-rquad star:101 Region quadtrees with efficient point location and neighbour finding.
• encoding star:97 Integer Compression Libraries for Go.
• ring star:92 Go implementation of a high performance, thread safe bloom filter.
• deque star:88 Fast ring-buffer deque (double-ended queue).
• conjungo star:84 A small, powerful and flexible merge library.
• bit star:72 Golang set data structure with bonus bit-twiddling functions.
• skiplist star:66 Skiplist implementation in Go.
• levenshtein star:59 Implementation to calculate levenshtein distance in Go.
• bloom star:45 Golang Bloom filter implementation.
• goconcurrentqueue star:44 Concurrent FIFO queue.
• count-min-log star:43 Go implementation Count-Min-Log sketch: Approximately counting with approximate counters (Like Count-Min sketch but using less memory).
• go-mcache star:39 Fast in-memory key:value store/cache library. Pointer caches.
• levenshtein star:35 Levenshtein distance and similarity metrics with customizable edit costs and Winkler-like bonus for common prefix.
• remember-go star:28 A universal interface for caching slow database queries (backed by redis, memcached, ristretto, or in-memory).
• concurrent-writer star:26 Highly concurrent drop-in replacement for bufio.Writer.
• crunch star:20 Go package implementing buffers for handling various datatypes easily.
• pipeline star:18 An implementation of pipelines with fan-in and fan-out.
• goset star:17 A useful Set collection implementation for Go.
• typ star:15 Null Types, Safe primitive type conversion and fetching value from complex structures.
• deque star:11 A highly optimized double-ended queue.
• go-ef star:11 A Go implementation of the Elias-Fano encoding.
• hide star:11 ID type with marshalling to/from hash to prevent sending IDs to clients.
• dict star:10 Python-like dictionaries (dict) for Go.
• mspm star:8 Multi-String Pattern Matching Algorithm for information retrieval.
• treap star:7 Persistent, fast ordered map using tree heaps.
• null star:7 Nullable Go types that can be marshalled/unmarshalled to/from JSON.
• set star:7 Simple set data structure implementation in Go using LinkedHashMap.
• timedmap star:5 Map with expiring key-value pairs.
• gofal star:3 fractional api for Go.
• ptrie star:3 An implementation of prefix tree.
• parsefields star:3 Tools for parse JSON-like logs for collecting unique fields and events.

Database

Databases implemented in Go.

• prometheus star:27795 Monitoring system and time series database.
• tidb star:21559 TiDB is a distributed SQL database. Inspired by the design of Google F1.
• influxdb star:17854 Scalable datastore for metrics, events, and real-time analytics.
• cockroach star:17404 Scalable, Geo-Replicated, Transactional Datastore.
• dgraph star:11787 Scalable, Distributed, Low Latency, High Throughput Graph Database.
• bolt star:10291 Low-level key/value database for Go.
• groupcache star:8018 Groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.
• badger star:6935 Fast key-value store in Go.
• rqlite star:4943 The lightweight, distributed, relational database built on SQLite.
• goleveldb star:3403 Implementation of the LevelDB key/value database in Go.
• go-cache star:3271 In-memory key:value store/cache (similar to Memcached) library for Go, suitable for single-machine applications.
• ledisdb star:3162 Ledisdb is a high performance NoSQL like Redis based on LevelDB.
• BigCache star:2918 Efficient key/value cache for gigabytes of data.
• buntdb star:2537 Fast, embeddable, in-memory key/value database for Go with custom indexing and spatial support.
• tiedot star:2420 Your NoSQL database powered by Golang.
• VictoriaMetrics star:1439 fast, resource-effective and scalable open source time series database. May be used as long-term remote storage for Prometheus. Supports PromQL.
• cache2go star:1157 In-memory key:value cache which supports automatic invalidation based on timeouts.
• GCache star:988 Cache library with support for expirable Cache, LFU, LRU and ARC.
• nutsdb star:949 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.
• CovenantSQL star:946 CovenantSQL is a SQL database on blockchain.
• diskv star:817 Home-grown disk-backed key-value store.
• moss star:737 Moss is a simple LSM key-value storage engine written in 100% Go.
• fastcache star:572 fast thread-safe inmemory cache for big number of entries. Minimizes GC overhead.
• eliasdb star:552 Dependency-free, transactional graph database with REST API, phrase search and SQL-like query language.
• levigo star:374 Levigo is a Go wrapper for LevelDB.
• pudge star:236 Fast and simple key/value store written using Go's standard library.
• Bitcask star:214 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).
• piladb star:170 Lightweight RESTful database engine based on stack data structures.
• Vasto star:164 A distributed high-performance key-value store. On Disk. Eventual consistent. HA. Able to grow or shrink without service interruption.
• Kivik star:128 Kivik provides a common Go and GopherJS client library for CouchDB, PouchDB, and similar databases.
• slowpoke star:93 Key-value store with persistence.
• Scribble star:80 Tiny flat file JSON store.
• couchcache star:46 RESTful caching micro-service backed by Couchbase server.
• bcache star:37 Eventually consistent distributed in-memory cache Go library.
• clusteredBigCache star:30 BigCache with clustering support and individual item expiration.
• cache star:26 In-memory key:value store with expiration time, 0 dependencies, <100 LoC, 100% coverage.
• tempdb star:13 Key-value store for temporary items.
• Coffer star:12 Simple ACID key-value database that supports transactions.
• gorocksdb star:10 Gorocksdb is a wrapper for RocksDB written in Go.

Database schema migration.

• migrate star:3275 Database migrations. CLI and Golang library.
• sql-migrate star:1528 Database migration tool. Allows embedding migrations into the application using go-bindata.
• skeema star:473 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:377 Database schema migration helper for Gorm ORM.
• goose star:125 Database migration tool. You can manage your database's evolution by creating incremental SQL or Go scripts.
• darwin star:95 Database schema evolution library for Go.
• migrator star:82 Dead simple Go database migration library.
• go-pg-migrations star:36 A Go package to help write migrations with go-pg/pg.
• gondolier star:26 Database migration library using struct decorators.
• pravasan star:24 Simple Migration tool - currently for MySQL but planning to soon support Postgres, SQLite, MongoDB, etc.
• go-fixtures star:20 Django style fixtures for Golang's excellent built-in database/sql library.
• avro star:7 Discover SQL schemas and convert them to AVRO schemas. Query SQL records into AVRO bytes.
• schema star:4 Library to embed schema migrations for database/sql-compatible databases inside your Go binaries.

Database tools.

• vitess star:9085 vitess provides servers and tools which facilitate scaling of MySQL databases for large scale web services.
• pgweb star:6155 Web-based PostgreSQL database browser.
• kingshard star:4875 kingshard is a high performance proxy for MySQL powered by Golang.
• orchestrator star:3228 MySQL replication topology manager & visualizer.
• go-mysql-elasticsearch star:2655 Sync your MySQL data into Elasticsearch automatically.
• pREST star:2149 Serve a RESTful API from any PostgreSQL database.
• go-mysql star:2088 Go toolset to handle MySQL protocol and replication.
• chproxy star:339 HTTP proxy for ClickHouse database.
• clickhouse-bulk star:155 Collects small insterts and sends big requests to ClickHouse servers.
• myreplication star:150 MySql binary log replication listener. Supports statement and row based replication.
• octillery star:67 Go package for sharding databases ( Supports every ORM or raw SQL ).
• dbbench star:30 Database benchmarking tool with support for several databases and scripts.
• prep star:24 Use prepared SQL statements without changing your code.
• datagen star:10 A fast data generator that's multi-table aware and supports multi-row DML.
• rwdb star:10 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:2547 Go library that helps you build SQL queries.
• xo star:2295 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:903 Non-invasive SQL builder and powerful data binder.
• goqu star:699 Idiomatic SQL builder and query library.
• Dotsql star:467 Go library that helps you keep sql files in one place and use them with ease.
• ozzo-dbx star:442 Powerful data retrieval methods as well as DB-agnostic query building capabilities.
• sqrl star:190 SQL query builder, fork of Squirrel with improved performance.
• Squalus Thin layer over the Go SQL package that makes it easier to perform queries.
• jet star:177 Framework for writing type-safe SQL queries in Go, with ability to easily convert database query result into desired arbitrary object structure.
• ormlite Lightweight package containing some ORM-like features and helpers for sqlite databases.
• igor star:78 Abstraction layer for PostgreSQL that supports advanced functionality and uses gorm-like syntax.
• dbq star:48 Zero boilerplate database operations for Go.
• godbal star:48 Database Abstraction Layer (dbal) for go. Support SQL builder and get result easily.
• sqlf star:6 Fast SQL query builder.
• qry star:3 Tool that generates constants from files with raw SQL queries.
• scaneo Generate Go code to convert database rows into arbitrary structs.

Database Drivers

Libraries for connecting and operating databases.

• Relational Databases

  • go-sql-driver/mysql star:8659 MySQL driver for Go.
  • pq star:5470 Pure Go Postgres driver for database/sql.
  • go-sqlite3 star:3633 SQLite3 driver for go that uses database/sql.
  • pgx star:2190 PostgreSQL driver supporting features beyond those exposed by database/sql.
  • go-mssqldb star:1101 Microsoft MSSQL driver for Go.
  • go-oci8 star:426 Oracle driver for go that uses database/sql.
  • goracle star:278 Oracle driver for Go, using the ODPI-C driver.
  • firebirdsql star:112 Firebird RDBMS SQL driver for Go.
  • gofreetds star:94 Microsoft MSSQL driver. Go wrapper over FreeTDS.
  • go-adodb star:92 Microsoft ActiveX Object DataBase driver for go that uses database/sql.
  • avatica star:43 Apache Avatica/Phoenix SQL driver for database/sql.
  • bgc star:12 Datastore Connectivity for BigQuery for go.

• NoSQL Databases

  • redis star:7407 Redis client for Golang.
  • redigo star:6736 Redigo is a Go client for the Redis database.
  • mongo-go-driver star:3676 Official MongoDB driver for the Go language.
  • mgo star:1712 (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:1486 Go language driver for RethinkDB.
  • neoism star:362 Neo4j client for Golang.
  • redeo star:361 Redis-protocol compatible TCP servers/services.
  • aerospike-client-go star:312 Aerospike client in Go language.
  • gocb star:307 Official Couchbase Go SDK.
  • gocql Go language driver for Apache Cassandra.
  • go-couchbase star:297 Couchbase client in Go.
  • go-rejson star:106 Golang client for redislabs' ReJSON module using Redigo golang client. Store and manipulate structs as JSON objects in redis with ease.
  • Neo4j-GO star:72 Neo4j REST Client in golang.
  • godis star:67 redis client implement by golang, inspired by jedis.
  • arangolite star:66 Lightweight golang driver for ArangoDB.
  • dynago star:66 Dynago is a principle of least surprise client for DynamoDB.
  • go-pilosa star:33 Go client library for Pilosa.
  • forestdb star:28 Go bindings for ForestDB.
  • goriak star:24 Go language driver for Riak KV.
  • neo4j star:24 Neo4j Rest API Bindings for Golang.
  • xredis star:9 Typesafe, customizable, clean & easy to use Redis client.
  • godscache star:6 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:6125 Modern text indexing library for go.
  • riot star:4920 Go Open Source, Distributed, Simple and efficient Search Engine.
  • elastic star:4529 Elasticsearch client for Go.
  • go-elasticsearch star:1973 Official Elasticsearch client for Go.
  • elastigo star:951 Elasticsearch client library.
  • elasticsql star:459 Convert sql to elasticsearch dsl in Go.
  • skizze star:68 probabilistic data-structures service and storage.
  • goes star:24 Library to interact with Elasticsearch.

• Multiple Backends.

  • cayley star:12991 Graph database with support for multiple backends.
  • gokv star:143 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:111 Golang Cache component for multiple drivers.
  • dsc star:13 Datastore connectivity for SQL, NoSQL, structured files.

Date and Time

Libraries for working with dates and times.

• now star:2311 Now is a time toolkit for golang.
• dateparse star:944 Parse date's without knowing format in advance.
• carbon star:369 Simple Time extension with a lot of util methods, ported from PHP Carbon library.
• durafmt star:268 Time duration formatting library for Go.
• timeutil star:170 Useful extensions (Timedelta, Strftime, ...) to the golang's time package.
• iso8601 star:68 Efficiently parse ISO8601 date-times without regex.
• timespan star:66 For interacting with intervals of time, defined as a start time and a duration.
• go-persian-calendar star:66 The implementation of the Persian (Solar Hijri) Calendar in Go (golang).
• date star:32 Augments Time for working with dates, date ranges, time spans, periods, and time-of-day.
• feiertage star:24 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:15 Calculate the sunrise and sunset times for a given location.
• kair star:12 Date and Time - Golang Formatting Library.
• NullTime star:9 Nullable time.Time.
• tuesday star:7 Ruby-compatible Strftime function.
• cronrange star:5 Parses Cron-style time range expressions, checks if the given time is within any ranges.
• strftime star:4 C99-compatible strftime formatter.
• 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:15447 Microservice toolkit with support for service discovery, load balancing, pluggable transports, request tracking, etc.
• grpc-go star:10076 The Go language implementation of gRPC. HTTP/2 based RPC.
• micro star:7188 Pluggable microservice toolkit and distributed systems platform.
• NATS star:6929 Lightweight, high performance messaging system for microservices, IoT, and cloud native systems.
• rpcx star:4128 Distributed pluggable RPC service framework like alibaba Dubbo.
• tendermint star:3366 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:3138 BitTorrent client package.
• raft Go implementation of the Raft consensus protocol, by CoreOS.
• raft star:3048 Golang implementation of the Raft consensus protocol, by HashiCorp.
• dragonboat star:2763 A feature complete and high performance multi-group Raft library in Go.
• glow star:2688 Easy-to-Use scalable distributed big data processing, Map-Reduce, DAG execution, all in pure Go.
• gleam star:2280 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:2114 High performance, distributed, secure and low latency publish-subscribe platform built with MQTT, Websockets and love.
• KrakenD star:2101 Ultra performant API Gateway framework with middlewares.
• liftbridge star:1372 Lightweight, fault-tolerant message streams for NATS.
• hprose star:1050 Very newbility RPC Library, support 25+ languages now.
• ringpop-go star:590 Scalable, fault-tolerant application-layer sharding for Go applications.
• gorpc star:569 Simple, fast and scalable RPC library for high load.
• go-health star:508 Library for enabling asynchronous dependency health checks in your service.
• rain star:364 BitTorrent client and library.
• dot distributed sync using operational transformation/OT.
• digota star:318 grpc ecommerce microservice.
• sleuth star:305 Library for master-less p2p auto-discovery and RPC between HTTP services (using ZeroMQ).
• go-sundheit star:272 A library built to provide support for defining async service health checks for golang services.
• go-jump star:268 Port of Google's "Jump" Consistent Hash function.
• consistent star:224 Consistent hashing with bounded loads.
• dht star:139 BitTorrent Kademlia DHT implementation.
• jsonrpc star:116 The jsonrpc package helps implement of JSON-RPC 2.0.
• jsonrpc star:109 JSON-RPC 2.0 HTTP client implementation.
• resgate Realtime API Gateway for building REST, real time, and RPC APIs, where all clients are synchronized seamlessly.
• redis-lock star:66 Simplified distributed locking implementation using Redis.
• celeriac star:57 Library for adding support for interacting and monitoring Celery workers, tasks and events in Go.
• doublejump star:46 A revamped Google's jump consistent hash.
• dynamolock DynamoDB-backed distributed locking implementation.
• drmaa star:26 Job submission library for cluster schedulers based on the DRMAA standard.
• flowgraph star:23 flow-based programming package.
• pglock PostgreSQL-backed distributed locking implementation.
• outboxer star:15 Outboxer is a go library that implements the outbox pattern.
• dynatomic star:10 A library for using DynamoDB as an atomic counter.

Email

Libraries and tools that implement email creation and sending.

• MailHog star:5602 Email and SMTP testing with web and API interface.
• chasquid SMTP server written in Go.
• hermes star:1701 Golang package that generates clean, responsive HTML e-mails.
• email star:1159 A robust and flexible email library for Go.
• go-imap star:832 IMAP library for clients and servers.
• SendGrid star:544 SendGrid's Go library for sending email.
• mailgun-go star:419 Go library for sending mail with the Mailgun API.
• Hectane star:170 Lightweight SMTP client providing an HTTP API.
• douceur star:165 CSS inliner for your HTML emails.
• go-message star:126 Streaming library for the Internet Message Format and mail messages.
• smtp star:53 SMTP server protocol state machine.
• go-dkim star:51 DKIM library, to sign & verify email.
• go-premailer star:41 Inline styling for HTML mail in Go.
• mailchain star:31 Send encrypted emails to blockchain addresses written in Go.
• go-simple-mail star:7 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:4946 JavaScript interpreter written in Go.
• gopher-lua star:3136 Lua 5.1 VM and compiler written in Go.
• go-lua star:1732 Port of the Lua 5.2 VM to pure Go.
• tengo star:1462 Bytecode compiled script language for Go.
• expr star:987 an engine that can evaluate expressions.
• anko star:964 Scriptable interpreter written in Go.
• go-python star:962 naive go bindings to the CPython C-API.
• go-php star:710 PHP bindings for Go.
• go-duktape star:669 Duktape JavaScript engine bindings for Go.
• golua star:452 Go bindings for Lua C API.
• gisp star:431 Simple LISP in Go.
• cel-go star:321 Fast, portable, non-Turing complete expression evaluation with gradual typing.
• gval star:166 A highly customizable expression language written in Go.
• gentee star:39 Embeddable scripting programming language.
• binder star:32 Go to Lua binding library, based on gopher-lua.
• purl star:28 Perl 5.18.2 embedded in Go.
• ngaro star:19 Embeddable Ngaro VM implementation enabling scripting in Retro.

Error Handling

Libraries for handling errors.

• errors star:5284 Package that provides simple error handling primitives.
• go-multierror star:779 Go (golang) package for representing a list of errors as a single error.
• errorx star:596 A feature rich error package with stack traces, composition of errors and more.
• tracerr star:525 Golang errors with stack trace and source fragments.
• errlog star:202 Hackable package that determines responsible source code for an error (and some other fast-debugging features). Pluggable to any logger in-place.
• emperror star:87 Error handling tools and best practices for Go libraries and applications.
• errors star:31 Drop-in replacement for the standard library errors package and github.com/pkg/errors. Provides various error handling primitives.
• werr star:11 Error Wrapper creates an wrapper for the error type in Go which captures the File, Line and Stack of where it was called.
• errors star:3 Simple golang error handling with classification primitives.
• Falcon star:2 A Simple Yet Highly Powerful Package For Error Handling.

Files

Libraries for handling files and file systems.

• afero star:2409 FileSystem Abstraction System for Go.
• pdfcpu star:1195 PDF processor.
• notify star:511 File system event notification library with simple API, similar to os/signal.
• bigfile star:91 A file transfer system, support to manage files with http api, rpc call and ftp client.
• opc star:63 Load Open Packaging Conventions (OPC) files for Go.
• go-csv-tag star:52 Load csv file using tag.
• stl Modules to read and write STL (stereolithography) files. Concurrent algorithm for reading.
• skywalker star:51 Package to allow one to concurrently go through a filesystem with ease.
• tarfs star:38 Implementation of the FileSystem interface for tar files.
• vfs star:36 A pluggable, extensible, and opinionated set of filesystem functionality for Go across a number of filesystem types such as os, S3, and GCS.
• afs star:18 Abstract File Storage (mem, scp, zip, tar, cloud: s3, gs) for Go.
• go-gtfs star:16 Load gtfs files in go.
• checksum star:13 Compute message digest, like MD5 and SHA256, for large files.
• go-decent-copy star:12 Copy files for humans.
• flop star:12 File operations library which aims to mirror feature parity with GNU cp.
• go-exiftool star:11 Go bindings for ExifTool, the well-known library used to extract as much metadata as possible (EXIF, IPTC, ...) from files (pictures, PDF, office, ...).
• parquet star:5 Read and write parquet files.

Financial

Packages for accounting and finance.

• decimal star:1794 Arbitrary-precision fixed-point decimal numbers.
• go-money star:663 Implementation of Fowler's Money pattern.
• go-finance star:536 Comprehensive financial markets data in Go.
• accounting star:515 money and currency formatting for golang.
• techan star:194 Technical analysis library with advanced market analysis and trading strategies.
• orderbook star:102 Matching Engine for Limit Order Book in Golang.
• ofxgo star:70 Query OFX servers and/or parse the responses (with example command-line client).
• vat star:61 VAT number validation & EU VAT rates.
• transaction star:60 Embedded transactional database of accounts, running in multithreaded mode.
• go-finance star:47 Library of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
• currency star:14 High performant & accurate currency computation package.
• go-finance star:2 Module to fetch exchange rates, check VAT numbers via VIES and check IBAN bank account numbers.

Forms

Libraries for working with forms.

• nosurf star:1005 CSRF protection middleware for Go.
• binding star:757 Binds form and JSON data from net/http Request to struct.
• gorilla/csrf star:482 CSRF protection for Go web applications & services.
• form star:376 Decodes url.Values into Go value(s) and Encodes Go value(s) into url.Values. Dual Array and Full map support.
• conform star:177 Keeps user input in check. Trims, sanitizes & scrubs data based on struct tags.
• formam star:134 decode form's values into a struct.
• forms star:105 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.

Functional

Packages to support functional programming in Go.

• go-underscore star:1097 Useful collection of helpfully functional Go collection utilities.
• fpGo star:124 Monad, Functional Programming features for Golang.
• fuego star:55 Functional Experiment in Go.

Game Development

Awesome game development libraries.

• Leaf star:3257 Lightweight game server framework.
• Pixel star:2604 Hand-crafted 2D game library in Go.
• Ebiten star:2249 dead simple 2D game library in Go.
• goworld star:1308 Scalable game server engine, featuring space-entity framework and hot-swapping.
• go-sdl2 star:1223 Go bindings for the Simple DirectMedia Layer.
• engo star:1128 Engo is an open-source 2D game engine written in Go. It follows the Entity-Component-System paradigm.
• nano star:1106 Lightweight, facility, high performance golang based game server framework.
• gonet star:1070 Game server skeleton implemented with golang.
• termloop star:1055 Terminal-based game engine for Go, built on top of Termbox.
• g3n star:853 Go 3D Game Engine.
• Oak star:685 Pure Go game engine.
• Azul3D star:436 3D game engine written in Go.
• raylib-go star:410 Go bindings for raylib, a simple and easy-to-use library to learn videogames programming.
• Pitaya star:381 Scalable game server framework with clustering support and client libraries for iOS, Android, Unity and others through the C SDK.
• go-astar star:339 Go implementation of the A* path finding algorithm.
• GarageEngine star:316 2d game engine written in Go working on OpenGL.
• go3d star:170 Performance oriented 2D/3D math package for Go.
• glop star:76 Glop (Game Library Of Power) is a fairly simple cross-platform game library.
• go-collada star:14 Go package for working with the Collada file format.

Generation and Generics

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

• go-linq star:1885 .NET LINQ-like query methods for Go.
• jennifer star:1378 Generate arbitrary Go code without templates.
• gen star:1056 Code generation tool for ‘generics’-like functionality.
• goderive star:767 Derives functions from input types.
• GoWrap star:299 Generate decorators for Go interfaces using simple templates.
• interfaces star:198 Command line tool for generating interface definitions.
• pkgreflect star:90 Go preprocessor for package scoped reflection.
• go-enum star:89 Code generation for enums from code comments.
• efaceconv star:44 Code generation tool for high performance conversion from interface{} to immutable type without allocations.
• gotype star:24 Golang source code parsing, usage like reflect package.
• generis star:20 Code generation tool providing generics, free-form macros, conditional compilation and HTML templating.
• go-xray star:2 Helpers for making the use of reflection easier.

Geographic

Geographic tools and servers

• Tile38 star:6534 Geolocation DB with spatial index and realtime geofencing.
• S2 geometry star:960 S2 geometry library in Go.
• geocache star:116 In-memory cache that is suitable for geolocation based applications.
• osm star:83 Library for reading, writing and working with OpenStreetMap data and APIs.
• WGS84 star:43 Library for Coordinate Conversion and Transformation (ETRS89, OSGB36, NAD83, RGF93, Web Mercator, UTM).
• geoserver star:26 geoserver Is a Go Package For Manipulating a GeoServer Instance via the GeoServer REST API.
• gismanager star:20 Publish Your GIS Data(Vector Data) to PostGIS and Geoserver.
• pbf star:18 OpenStreetMap PBF golang encoder/decoder.

Go Compilers

Tools for compiling Go to other languages.

• gopherjs star:8871 Compiler from Go to JavaScript.
• llgo star:1006 LLVM-based compiler for Go.
• tardisgo star:391 Golang to Haxe to CPP/CSharp/Java/JavaScript transpiler.
• c4go star:186 Transpile C code to Go code.
• f4go star:22 Transpile FORTRAN 77 code to Go code.

Goroutines

Tools for managing and working with Goroutines.

• ants star:2593 A high-performance goroutine pool for golang.
• goworker star:2299 goworker is a Go-based background worker.
• tunny star:1448 Goroutine pool for golang.
• grpool star:529 Lightweight Goroutine pool.
• pool star:520 Limited consumer goroutine or unlimited goroutine pool for easier goroutine handling and cancellation.
• workerpool star:215 Goroutine pool that limits the concurrency of task execution, not the number of tasks queued.
• go-floc star:173 Orchestrate goroutines with ease.
• go-flow star:116 Control goroutines execution order.
• GoSlaves star:87 Simple and Asynchronous Goroutine pool library.
• semaphore star:80 Semaphore pattern implementation with timeout of lock/unlock operations based on channel and context.
• semaphore star:78 Fast resizable semaphore implementation based on CAS (faster than channel-based semaphore implementations).
• gpool star:57 manages a resizeable pool of context-aware goroutines to bound concurrency.
• worker-pool star:51 goworker is a Go simple async worker pool.
• breaker star:45 Flexible mechanism to make execution flow interruptible.
• gowp star:42 gowp is concurrency limiting goroutine pool.
• cyclicbarrier star:42 CyclicBarrier for golang.
• gollback star:29 asynchronous simple function utilities, for managing execution of closures and callbacks.
• parallel-fn star:26 Run functions in parallel.
• async star:25 A safe way to execute functions asynchronously, recovering them in case of panic.
• threadpool star:23 Golang threadpool implementation.
• oversight Oversight is a complete implementation of the Erlang supervision trees.
• Hunch star:17 Hunch provides functions like: All, First, Retry, Waterfall etc., that makes asynchronous flow control more intuitive.
• artifex star:17 Simple in-memory job queue for Golang using worker-based dispatching.
• stl star:11 Software transactional locks based on Software Transactional Memory (STM) concurrency control mechanism.
• gohive star:7 A highly performant and easy to use Goroutine pool for Go.
• go-tools/multithreading star:5 Manage a pool of goroutines using this lightweight library with a simple API.
• routine star:4 go routine control with context, support: Main, Go, Pool and some useful Executors.
• go-trylock star:4 TryLock support on read-write lock for Golang.
• queue star:3 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-waitgroup star:2 Like sync.WaitGroup with error handling and concurrency control.

GUI

Libraries for building GUI Applications.

Toolkits

• ui star:7204 Platform-native GUI library for Go. Cross platform.
• Wails Mac, Windows, Linux desktop apps with HTML UI using built-in OS HTML renderer.
• fyne star:6971 Cross platform native GUIs designed for Go, rendered using EFL. Supports: Linux, macOS, Windows.
• qt star:6592 Qt binding for Go (support for Windows / macOS / Linux / Android / iOS / Sailfish OS / Raspberry Pi).
• webview star:5059 Cross-platform webview window with simple two-way JavaScript bindings (Windows / macOS / Linux).
• walk star:3969 Windows application library kit for Go.
• app star:3157 Package to create apps with GO, HTML and CSS. Supports: MacOS, Windows in progress.
• go-astilectron star:2869 Build cross platform GUI apps with GO and HTML/JS/CSS (powered by Electron).
• go-gtk Go bindings for GTK.
• go-sciter star:1546 Go bindings for Sciter: the Embeddable HTML/CSS/script engine for modern desktop UI development. Cross platform.
• gotk3 star:851 Go bindings for GTK3.
• gowd star:225 Rapid and simple desktop UI development with GO, HTML, CSS and NW.js. Cross platform.

Interaction

• robotgo star:4688 Go Native cross-platform GUI system automation. Control the mouse, keyboard and other.
• systray star:881 Cross platform Go library to place an icon and menu in the notification area.
• gosx-notifier star:496 OSX Desktop Notifications library for Go.
• trayhost star:164 Cross-platform Go library to place an icon in the host operating system's taskbar.
• go-appindicator star:4 Go bindings for libappindicator3 C library.
• mac-activity-tracker star:2 OSX library to notify about any (pluggable) activity on your machine.
• mac-sleep-notifier star:1 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.

• imaging star:2774 Simple Go image processing package.
• gocv star:2745 Go package for computer vision using OpenCV 3.3+.
• imaginary star:2737 Fast and simple HTTP microservice for image resizing.
• bild star:2681 Collection of image processing algorithms in pure Go.
• ln star:2560 3D line art rendering in Go.
• resize star:2204 Image resizing for Go with common interpolation methods.
• gg star:2035 2D rendering in pure Go.
• pt star:1804 Path tracing engine written in Go.
• svgo star:1399 Go Language Library for SVG generation.
• smartcrop star:1291 Finds good crops for arbitrary images and crop sizes.
• gift star:1273 Package of image processing filters.
• picfit star:1144 An image resizing server written in Go.
• go-opencv star:1131 Go bindings for OpenCV.
• imagick star:1031 Go binding to ImageMagick's MagickWand C API.
• geopattern star:1030 Create beautiful generative image patterns from a string.
• bimg star:847 Small package for fast and efficient image processing using libvips.
• stegify star:576 Go tool for LSB steganography, capable of hiding any file within an image.
• mort star:377 Storage and image processing server written in Go.
• canvas star:343 Vector graphics to PDF, SVG or rasterized image.
• image2ascii star:333 Convert image to ASCII.
• govatar star:326 Library and CMD tool for generating funny avatars.
• go-nude star:292 Nudity detection with Go.
• goimagehash star:247 Go Perceptual image hashing package.
• rez star:193 Image resizing in pure Go and SIMD.
• img star:131 Selection of image manipulation tools.
• darkroom star:98 An image proxy with changeable storage backends and image processing engines with focus on speed and resiliency.
• go-cairo star:89 Go binding for the cairo graphics library.
• mergi star:82 Tool & Go library for image manipulation (Merge, Crop, Resize, Watermark, Animate).
• gltf star:52 Efficient and robust glTF 2.0 reader, writer and validator.
• go-gd star:51 Go binding for GD library.
• cameron star:36 An avatar generator for Go.
• steganography star:32 Pure Go Library for LSB steganography.
• goimghdr star:31 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.
• 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:1245 Project Flogo is an Open Source Framework for IoT Edge Apps & Integration.
• gatt star:849 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.
• mainflux star:703 Industrial IoT Messaging and Device Management Server.
• periph Peripherals I/O to interface with low-level board facilities.
• devices star:228 Suite of libraries for IoT devices, experimental for x/exp/io.
• sensorbee star:185 Lightweight stream processing engine for IoT.
• connectordb star:183 Open-Source Platform for Quantified Self & IoT.
• huego star:121 An extensive Philips Hue client library for Go.
• iot IoT is a simple framework for implementing a Google IoT Core device.
• eywa star:41 Project Eywa is essentially a connection manager that keeps track of connected devices.

Job Scheduler

Libraries for scheduling jobs.

• gron star:664 Define time-based tasks using a simple Go API and Gron’s scheduler will run them accordingly.
• JobRunner star:619 Smart and featureful cron job scheduler with job queuing and live monitoring built in.
• jobs star:457 Persistent and flexible background jobs library.
• scheduler star:307 Cronjobs scheduling made easy.
• clockwerk Go package to schedule periodic jobs using a simple, fluent syntax.
• go-cron star:177 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.
• clockwork star:92 Simple and intuitive job scheduling library in Go.
• leprechaun star:46 Job scheduler that supports webhooks, crons and classic scheduling.

JSON

Libraries for working with JSON.

• GJSON star:5398 Get a JSON value with one line of code.
• gojson star:2098 Automatically generate Go (golang) struct definitions from example JSON.
• kazaam star:143 API for arbitrary transformation of JSON documents.
• gojq star:142 JSON query in Golang.
• jsongo star:93 Fluent API to make it easier to create Json objects.
• gjo star:66 Small utility to create JSON objects.
• JayDiff star:58 JSON diff utility written in Go.
• jsonf star:55 Console tool for highlighted formatting and struct query fetching JSON.
• jettison star:48 High performance, reflection-less JSON encoder for Go.
• JSON-to-Go Convert JSON to Go struct.
• mp star:35 Simple cli email parser. It currently takes stdin and outputs JSON.
• go-respond star:27 Go package for handling common HTTP JSON responses.
• json2go star:25 Advanced JSON to Go struct conversion. Provides package that can parse multiple JSON documents and create struct to fit them all.
• ajson star:18 Abstract JSON for golang with JSONPath support.
• 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:6 Go bindings based on the JSON API errors reference.

Logging

Libraries for generating and working with log files.

• logrus star:13095 Structured logger for Go.
• zap star:8384 Fast, structured, leveled logging in Go.
• spew star:3507 Implements a deep pretty printer for Go data structures to aid in debugging.
• zerolog star:2648 Zero-allocation JSON logger.
• glog star:2419 Leveled execution logs for Go.
• tail star:1637 Go package striving to emulate the features of the BSD tail program.
• lumberjack star:1623 Simple rolling logger, implements io.WriteCloser.
• seelog star:1396 Logging functionality with flexible dispatching, filtering, and formatting.
• log15 star:937 Simple, powerful logging for Go.
• log star:761 Structured logging package for Go.
• onelog star:345 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:338 12-factor app logger that is fast and makes you happy.
• log star:270 Simple, configurable and scalable Structured Logging for Go.
• logutils star:260 Utilities for slightly better logging in Go (Golang) extending the standard logger.
• go-logger star:244 Simple logger of Go Programs, with level handlers.
• logger star:135 Minimalistic logging library for Go.
• xlog star:130 Structured logger for net/context aware HTTP handlers with flexible dispatching.
• rollingwriter star:119 RollingWriter is an auto-rotate io.Writer implementation with multi policies to provide log file rotation.
• ozzo-log star:109 High performance logging supporting log severity, categorization, and filtering. Can send filtered log messages to various targets (e.g. console, network, mail).
• log-voyage star:83 Full-featured logging saas written in golang.
• glg star:56 glg is simple and fast leveled logging library for Go.
• stdlog star:42 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.
• go-log star:34 Log4j implementation in Go.
• logex star:33 Golang log lib, supports tracking and level, wrap by standard log lib.
• logrusly star:25 logrus plug-in to send errors to a Loggly.
• go-log star:25 Log lib supports level and multi handlers.
• log star:23 Structured log interface for Go cleanly separates logging facade from its implementation.
• distillog star:21 distilled levelled logging (think of it as stdlib + log levels).
• journald star:21 Go implementation of systemd Journal's native API for logging.
• go-cronowriter star:20 Simple writer that rotate log files automatically based on current date and time, like cronolog.
• mlog star:19 Simple logging module for go, with 5 levels, an optional rotating logfile feature and stdout/stderr output.
• gomol star:15 Multiple-output, structured logging for Go with extensible logging outputs.
• gone/log Fast, extendable, full-featured, std-lib source compatible log library.
• logdump star:9 Package for multi-level logging.
• go-log star:9 Simple and configurable Logging in Go, with level, formatters and writers.
• glo star:8 PHP Monolog inspired logging facility with identical severity levels.
• logrusiowriter star:7 io.Writer implementation using logrus logger.
• log star:6 An O(1) logging system that allows you to connect one log to multiple writers (e.g. stdout, a file and a TCP connection).
• xlog star:6 Plugin architecture and flexible log system for Go, with level ctrl, multiple log target and custom log format.
• logmatic star:6 Colorized logger for Golang with dynamic log level configuration.
• logo star:5 Golang logger to different configurable writers.
• go-log star:1 A logging library with strack traces, object dumping and optional timestamps.

Machine Learning

Libraries for Machine Learning.

• GoLearn star:6837 General Machine Learning library for Go.
• gorgonia star:2972 graph-based computational library like Theano for Go that provides primitives for building various machine learning and neural network algorithms.
• tfgo star:1251 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.
• goml star:1040 On-line Machine Learning in Go.
• gosseract star:972 Go package for OCR (Optical Character Recognition), by using Tesseract C++ library.
• gorse star:674 A High Performance Recommender System Package based on Collaborative Filtering for Go.
• CloudForest star:657 Fast, flexible, multi-threaded ensembles of decision trees for machine learning in pure Go.
• eaopt star:645 An evolutionary optimization library.
• bayesian star:639 Naive Bayesian Classification for Golang.
• gobrain star:409 Neural Networks written in go.
• regommend star:258 Recommendation & collaborative filtering engine.
• ocrserver star:253 A simple OCR API server, seriously easy to be deployed by Docker and Heroku.
• go-deep star:238 A feature-rich neural network library in Go.
• onnx-go star:223 Go Interface to Open Neural Network Exchange (ONNX).
• go-galib star:173 Genetic Algorithms library written in Go / golang.
• goRecommend star:148 Recommendation Algorithms library written in Go.
• shield star:124 Bayesian text classifier with flexible tokenizers and storage backends for Go.
• go-fann star:102 Go bindings for Fast Artificial Neural Networks(FANN) library.
• Goptuna star:96 Bayesian optimization framework for black-box functions written in Go. Everything will be optimized.
• goga star:78 Genetic algorithm library for Go.
• libsvm star:63 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:57 Pattern recognition package in Go lang.
• neat star:56 Plug-and-play, parallel Go framework for NeuroEvolution of Augmenting Topologies (NEAT).
• goscore star:41 Go Scoring API for PMML.
• golinear star:39 liblinear bindings for Go.
• fonet star:35 A Deep Neural Network library written in Go.
• Varis star:25 Golang Neural Network.
• godist star:24 Various probability distributions, and associated methods.
• go-cluster star:22 Go implementation of the k-modes and k-prototypes clustering algorithms.
• probab star:11 Probability distribution functions. Bayesian inference. Written in pure Go.
• evoli star:8 Genetic Algorithm and Particle Swarm Optimization library.
• GoMind star:6 A simplistic Neural Network Library in Go.

Messaging

Libraries that implement messaging systems.

• sarama star:5097 Go library for Apache Kafka.
• gorush star:3938 Push notification server using APNs2 and google GCM.
• Centrifugo star:3912 Real-time messaging (Websockets or SockJS) server in Go.
• machinery star:3676 Asynchronous task queue/job queue based on distributed message passing.
• go-socket.io star:3100 socket.io library for golang, a realtime application framework.
• NATS Go Client star:2560 Lightweight and high performance publish-subscribe and distributed queueing messaging system - this is the Go library.
• APNs2 star:2184 HTTP/2 Apple Push Notification provider for Go — Send push notifications to iOS, tvOS, Safari and OSX apps.
• Benthos star:2125 A message streaming bridge between a range of protocols.
• gopush-cluster star:1860 gopush-cluster is a go push server cluster.
• Mercure star:1750 Server and library to dispatch server-sent updates using the Mercure protocol (built on top of Server-Sent Events).
• melody star:1665 Minimalist framework for dealing with websocket sessions, includes broadcasting and automatic ping/pong handling.
• mangos star:1547 Pure go implementation of the Nanomsg ("Scalable Protocols") with transport interoperability.
• go-nsq star:1540 the official Go package for NSQ.
• Uniqush-Push star:1120 Redis backed unified push service for server-side notifications to mobile devices.
• zmq4 star:808 Go interface to ZeroMQ version 4. Also available for version 3 and version 2.
• Gollum star:792 A n:m multiplexer that gathers messages from different sources and broadcasts them to a set of destinations.
• Beaver star:762 A real time messaging server to build a scalable in-app notifications, multiplayer games, chat apps in web and mobile apps.
• EventBus star:605 The lightweight event bus with async compatibility.
• golongpoll star:436 HTTP longpoll server library that makes web pub-sub simple.
• dbus star:386 Native Go bindings for D-Bus.
• emitter star:326 Emits events using Go way, with wildcard, predicates, cancellation possibilities and many other good wins.
• Glue star:321 Robust Go and Javascript Socket Library (Alternative to Socket.io).
• pubsub star:297 Simple pubsub package for go.
• guble star:140 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.
• Bus star:130 Minimalist message bus implementation for internal communication.
• oplog star:99 Generic oplog/replication system for REST APIs.
• rabtap star:91 RabbitMQ swiss army knife cli app.
• messagebus star:74 messagebus is a Go simple async message bus, perfect for using as event bus when doing event sourcing, CQRS, DDD.
• rabbus star:66 A tiny wrapper over amqp exchanges and queues.
• drone-line star:63 Sending Line notifications using a binary, docker or Drone CI.
• RapidMQ star:57 RapidMQ is a lightweight and reliable library for managing of the local messages queue.
• nsq-event-bus star:55 A tiny wrapper around NSQ topic and channel.
• go-notify star:47 Native implementation of the freedesktop notification spec.
• event star:31 Implementation of the pattern observer.
• Commander star:31 A high-level event driven consumer/producer supporting various "dialects" such as Apache Kafka.
• hub star:27 A Message/Event Hub for Go applications, using publish/subscribe pattern with support for alias like rabbitMQ exchanges.
• go-vitotrol star:12 Client library to Viessmann Vitotrol web service.
• gaurun-client star:8 Gaurun Client written in Go.
• redisqueue star:7 redisqueue provides a producer and consumer of a queue that uses Redis streams.
• rmqconn 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.
• jazz star:6 A simple RabbitMQ abstraction layer for queue administration and publishing and consuming of messages.

Microsoft Office

• unioffice star:1930 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:5034 Golang library for reading and writing Microsoft Excel™ (XLSX) files.
• xlsx star:3695 Library to simplify reading the XML format used by recent version of Microsoft Excel in Go programs.
• xlsx star:93 Fast and safe way to read/update your existing Microsoft Excel files in Go programs.
• go-excel star:53 A simple and light reader to read a relate-db-like excel as a table.
• goxlsxwriter star:14 Golang bindings for libxlsxwriter for writing XLSX (Microsoft Excel) files.

Miscellaneous

Dependency Injection

Libraries for working with dependency injection.

• dig star:1054 A reflection based dependency injection toolkit for Go.
• fx star:995 A dependency injection based application framework for Go (built on top of dig).
• container star:53 A powerful IoC Container with fluent and easy-to-use interface.
• inject star:44 A reflection based dependency injection container with simple interface.
• alice star:35 Additive dependency injection container for Golang.
• wire star:20 Strict Runtime Dependency Injection for Golang.
• linker star:16 A reflection based dependency injection and inversion of control library with components lifecycle support.
• gocontainer star:11 Simple Dependency Injection Container.

Project Layout

Unofficial set of patterns for structuring projects.

• golang-standards/project-layout star:11575 Set of common historical and emerging project layout patterns in the Go ecosystem.
• modern-go-application star:411 Go application boilerplate and example applying modern practices.
• scaffold star:40 Scaffold generates starter Go project layout. Lets you focus on business logic implemeted.
• go-sample star:37 A sample layout for Go application projects with the real code.

Strings

Libraries for working with strings.

• xstrings star:654 Collection of useful string functions ported from other languages.
• strutil star:79 String utilities.

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

• gopsutil star:4295 Cross-platform library for retrieving process and system utilization(CPU, Memory, Disks, etc).
• archiver star:2609 Library and command for making and extracting .zip and .tar.gz archives.
• gosms star:1249 Your own local SMS gateway in Go that can be used to send SMS.
• go-resiliency star:928 Resiliency patterns for golang.
• go-openapi Collection of packages to parse and utilize open-api schemas.
• go-commons-pool star:730 Generic object pool for Golang.
• base64Captcha star:691 Base64captch supports digit, number, alphabet, arithmetic, audio and digit-alphabet captcha.
• gofakeit star:493 Random data generator written in go.
• shortid star:492 Distributed generation of super short, unique, non-sequential, URL friendly IDs.
• llvm star:458 Library for interacting with LLVM IR in pure Go.
• health star:371 Easy to use, extensible health check library.
• conv star:344 Package conv provides fast and intuitive conversions across Go types.
• banner star:241 Add beautiful banners into your Go applications.
• gountries star:221 Package that exposes country and subdivision data.
• antch star:160 A fast, powerful and extensible web crawling & scraping framework.
• battery star:138 Cross-platform, normalized battery information library.
• ffmt star:136 Beautify data display for Humans.
• stateless star:135 A fluent library for creating state machines.
• lk star:130 A simple licensing library for golang.
• stats star:128 Monitors Go MemStats + System stats such as Memory, Swap and CPU and sends via UDP anywhere you want for logging etc...
• bitio star:105 Highly optimized bit-level Reader and Writer for Go.
• healthcheck star:92 An opinionated and concurrent health-check HTTP handler for RESTful services.
• turtle star:86 Emojis for Go.
• gommit star:79 Analyze git commit messages to ensure they follow defined patterns.
• go-unarr star:76 Decompression library for RAR, TAR, ZIP and 7z archives.
• ghorg star:74 Quickly clone an entire org/users repositories into one directory - Supports GitHub, GitLab, and Bitbucket.
• indigo star:56 Distributed unique ID generator of using Sonyflake and encoded by Base58.
• morse star:52 Library to convert to and from morse code.
• captcha star:46 Package captcha provides an easy to use, unopinionated API for captcha generation.
• xkg star:45 X Keyboard Grabber.
• pdfgen star:35 HTTP service to generate PDF from Json requests.
• persian star:34 Some utilities for Persian language in go.
• browscap_go star:31 GoLang Library for Browser Capabilities Project.
• datacounter star:30 Go counters for readers/writer/http.ResponseWriter.
• gotoprom star:25 Type-safe metrics builder wrapper library for the official Prometheus client.
• autoflags star:25 Go package to automatically define command line flags from struct fields.
• xdg star:20 FreeDesktop.org (xdg) Specs implemented in Go.
• gosh star:19 Provide Go Statistics Handler, Struct, Measure Method.
• url-shortener star:18 A modern, powerful, and robust URL shortener microservice with mysql support.
• VarHandler Generate boilerplate http input and output handling.
• sandid star:13 Every grain of sand on earth has its own ID.
• anagent star:10 Minimalistic, pluggable Golang evloop/timer handler with dependency-injection.
• avgRating star:9 Calculate average score and rating based on Wilson Score Equation.
• hostutils star:8 A golang library for packing and unpacking FQDNs list.
• shellwords star:7 A Golang library to manipulate strings according to the word parsing rules of the UNIX Bourne shell.
• metrics star:4 Library for metrics instrumentation and Prometheus exposition.
• 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:2360 Library for text processing that supports tokenization, part-of-speech tagging, named-entity extraction, and more. English only.
• gse star:1141 Go efficient text segmentation; support english, chinese, japanese and other.
• when star:997 Natural EN and RU language date/time parser with pluggable rules.
• gojieba star:904 This is a Go implementation of jieba which a Chinese word splitting algorithm.
• go-pinyin star:576 CN Hanzi to Hanyu Pinyin converter.
• kagome star:453 JP morphological analyzer written in pure Go.
• whatlanggo star:375 Natural language detection package for Go. Supports 84 languages and 24 scripts (writing systems e.g. Latin, Cyrillic, etc).
• nlp star:357 Extract values from strings and fill your structs with nlp.
• sentences star:264 Sentence tokenizer: converts text into a list of sentences.
• nlp star:228 Go Natural Language Processing library supporting LSA (Latent Semantic Analysis).
• go-nlp star:80 Utilities for working with discrete probability distributions and other tools useful for doing NLP work.
• go-i18n Package and an accompanying tool to work with localized text.
• getlang star:77 Fast natural language detection package.
• gounidecode star:68 Unicode transliterator (also known as unidecode) for Go.
• go-unidecode star:63 ASCII transliterations of Unicode text.
• 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:52 Implementation of the porter stemming algorithm.
• RAKE.go star:49 Go port of the Rapid Automatic Keyword Extraction Algorithm (RAKE).
• stemmer star:48 Stemmer packages for Go programming language. Includes English and German stemmers.
• segment star:46 Go library for performing Unicode Text Segmentation as described in Unicode Standard Annex #29
• porter2 star:34 Really fast Porter 2 stemmer.
• go2vec star:32 Reader and utility functions for word2vec embeddings.
• paicehusk star:25 Golang implementation of the Paice/Husk Stemming Algorithm.
• petrovich star:24 Petrovich is the library which inflects Russian names to given grammatical case.
• snowball star:24 Snowball stemmer port (cgo wrapper) for Go. Provides word stem extraction functionality Snowball native.
• go-mystem star:23 CGo bindings to Yandex.Mystem - russian morphology analyzer.
• icu star:19 Cgo binding for icu4c C library detection and conversion functions. Guaranteed compatibility with version 50.1.
• golibstemmer star:15 Go bindings for the snowball libstemmer library including porter 2.
• shamoji star:10 The shamoji is word filtering package written in Go.
• libtextcat star:10 Cgo binding for libtextcat C library. Guaranteed compatibility with version 2.2.
• porter star:8 This is a fairly straightforward port of Martin Porter's C implementation of the Porter stemming algorithm.
• gotokenizer star:6 A tokenizer based on the dictionary and Bigram language models for Golang. (Now only support chinese segmentation)

Networking

Libraries for working with various layers of the network.

• kcptun star:11193 Extremely simple & fast udp tunnel based on KCP protocol.
• fasthttp star:10834 Package fasthttp is a fast HTTP implementation for Go, up to 10 times faster than net/http.
• dns star:4114 Go library for working with DNS.
• HTTPLab star:3475 HTTPLabs let you inspect HTTP requests and forge responses.
• quic-go star:3429 An implementation of the QUIC protocol in pure Go.
• gopacket star:3120 Go library for packet processing with libpcap bindings.
• webrtc star:2717 A pure Go implementation of the WebRTC API.
• kcp-go star:2383 KCP - Fast and Reliable ARQ Protocol.
• gobgp star:1768 BGP implemented in the Go Programming Language.
• gnet star:1383 gnet is a high-performance, lightweight, nonblocking, event-loop networking library written in pure Go.
• ssh star:1234 Higher-level API for building SSH servers (wraps crypto/ssh).
• fortio star:1015 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:917 Simple TUN/TAP library.
• go-getter star:802 Go library for downloading files or directories from various sources using a URL.
• sftp star:798 Package sftp implements the SSH File Transfer Protocol as described in https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt.
• NFF-Go star:734 Framework for rapid development of performant network functions for cloud and bare-metal (former YANFF).
• gev star:702 gev is a lightweight, fast non-blocking TCP network library based on Reactor mode.
• grab star:596 Go package for managing file downloads.
• mqttPaho The Paho Go Client provides an MQTT client library for connection to MQTT brokers via TCP, TLS or WebSockets.
• mdns star:586 Simple mDNS (Multicast DNS) client/server library in Golang.
• ftp star:576 Package ftp implements a FTP client as described in RFC 959.
• lhttp star:531 Powerful websocket framework, build your IM server more easily.
• gosnmp star:468 Native Go library for performing SNMP actions.
• gotcp star:440 Go package for quickly writing tcp applications.
• cidranger star:417 Fast IP to CIDR lookup for Go.
• peerdiscovery star:387 Pure Go library for cross-platform local peer discovery using UDP multicast.
• gopcap star:368 Go wrapper for libpcap.
• go-stun star:339 Go implementation of the STUN client (RFC 3489 and RFC 5389).
• raw star:331 Package raw enables reading and writing data at the device driver level for a network interface.
• stun star:314 Go implementation of RFC 5389 STUN protocol.
• tcp_server star:303 Go library for building tcp servers faster.
• buffstreams star:234 Streaming protocolbuffer data over TCP made easy.
• winrm star:231 Go WinRM client to remotely execute commands on Windows machines.
• arp star:204 Package arp implements the ARP protocol, as described in RFC 826.
• ethernet star:190 Package ethernet implements marshaling and unmarshaling of IEEE 802.3 Ethernet II frames and IEEE 802.1Q VLAN tags.
• utp star:152 Go uTP micro transport protocol implementation.
• canopus star:137 CoAP Client/Server implementation (RFC 7252).
• jazigo star:135 Jazigo is a tool written in Go for retrieving configuration for multiple network devices.
• sslb star:122 It's a Super Simples Load Balancer, just a little project to achieve some kind of performance.
• gmqtt star:116 Gmqtt is a flexible, high-performance MQTT broker library that fully implements the MQTT protocol V3.1.1.
• gNxI star:112 A collection of tools for Network Management that use the gNMI and gNOI protocols.
• xtcp star:91 TCP Server Framework with simultaneous full duplex communication,graceful shutdown,custom protocol.
• dhcp6 star:63 Package dhcp6 implements a DHCPv6 server, as described in RFC 3315.
• ether star:62 Cross-platform Go package for sending and receiving ethernet frames.
• linkio star:44 Network link speed simulation for Reader/Writer interfaces.
• portproxy star:42 Simple TCP proxy which adds CORS support to API's which don't support it.
• packet star:40 Send packets over TCP and UDP. It can buffer messages and hot-swap connections if needed.
• iplib star:26 Library for working with IP addresses (net.IP, net.IPNet), inspired by python ipaddress and ruby ipaddr
• graval star:24 Experimental FTP server framework.
• publicip star:18 Package publicip returns your public facing IPv4 address (internet egress).
• golibwireshark star:16 Package golibwireshark use libwireshark library to decode pcap file and analyse dissection data.
• llb star:9 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.
• go-powerdns star:9 PowerDNS API bindings for Golang.
• goshark star:9 Package goshark use tshark to decode IP packet and create data struct to analyse packet.
• tspool star:6 A TCP Library use worker pool to improve performance and protect your server.

HTTP Clients

Libraries for making HTTP requests.

• resty star:2310 Simple HTTP and REST client for Go inspired by Ruby rest-client.
• grequests star:1486 A Go "clone" of the great and famous Requests library.
• heimdall star:1165 An enchanced http client with retry and hystrix capabilities.
• sling star:1063 Sling is a Go HTTP client library for creating and sending API requests.
• gentleman star:707 Full-featured plugin-driven HTTP client library.
• pester star:341 Go HTTP client calls with retries, backoff, and concurrency.
• rq star:32 A nicer interface for golang stdlib HTTP client.
• sreq star:28 A simple, user-friendly and concurrent safe HTTP request library for Go.

OpenGL

Libraries for using OpenGL in Go.

• glfw star:799 Go bindings for GLFW 3.
• gl star:668 Go bindings for OpenGL (generated via glow).
• mathgl star:310 Pure Go math package specialized for 3D math, with inspiration from GLM.
• goxjs/gl star:130 Go cross-platform OpenGL bindings (OS X, Linux, Windows, browsers, iOS, Android).
• goxjs/glfw star:59 Go cross-platform glfw library for creating an OpenGL context and receiving events.

ORM

Libraries that implement Object-Relational Mapping or datamapping techniques.

• GORM star:15990 The fantastic ORM library for Golang, aims to be developer friendly.
• Xorm star:5574 Simple and powerful ORM for Go.
• go-pg star:3301 PostgreSQL ORM with focus on PostgreSQL specific features and performance.
• gorp star:3236 Go Relational Persistence, ORM-ish library for Go.
• SQLBoiler star:2500 ORM generator. Generate a featureful and blazing-fast ORM tailored to your database schema.
• upper.io/db star:1997 Single interface for interacting with different data sources through the use of adapters that wrap mature database drivers.
• reform star:827 Better ORM for Go, based on non-empty interfaces and code generation.
• pop/soda star:751 Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.
• QBS star:539 Stands for Query By Struct. A Go ORM.
• go-queryset star:469 100% type-safe ORM with code generation and MySQL, PostgreSQL, Sqlite3, SQL Server support based on GORM.
• beego orm Powerful orm framework for go. Support: pq/mysql/sqlite3.
• go-sqlbuilder star:273 A flexible and powerful SQL string builder library plus a zero-config ORM.
• Zoom star:244 Blazing-fast datastore and querying engine built on Redis.
• grimoire star:119 Grimoire is a database access layer and validation for golang. (Support: MySQL, PostgreSQL and SQLite3).
• go-store star:97 Simple and fast Redis backed key-value store library for Go.
• Marlow star:68 Generated ORM from project structs for compile time safety assurances.
• go-firestorm star:6 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:12881 Go dependency tool.
• vgo Versioned Go.

Unofficial libraries for package and dependency management.

• glide star:7874 Manage your golang vendor and vendored packages with ease. Inspired by tools like Maven, Bundler, and Pip.
• godep star:5643 dependency tool for go, godep helps build packages reproducibly by fixing their dependencies.
• govendor star:4912 Go Package Manager. Go vendor tool that works with the standard vendor file.
• gopm star:2420 Go Package Manager.
• gom star:1359 Go Manager - bundle for go.
• gpm star:1204 Barebones dependency manager for Go.
• goop star:778 Simple dependency manager for Go (golang), inspired by Bundler.
• nut star:245 Vendor Go dependencies.
• johnny-deps star:214 Minimal dependency version using Git.
• gigo star:197 PIP-like dependency tool for golang, with support for private repositories and hashes.
• VenGO star:116 create and manage exportable isolated go virtual environments.
• mvn-golang star:93 plugin that provides way for auto-loading of Golang SDK, dependency management and start build environment in Maven project infrastructure.
• gop star:50 Build and manage your Go applications out of GOPATH.

Performance

• jaeger star:9621 A distributed tracing system.
• profile star:1127 Simple profiling support package for Go.
• tracer star:16 Simple, lightweight tracing.

Query Language

• graphql-go star:5685 Implementation of GraphQL for Go.
• graphql star:3022 GraphQL server with a focus on ease of use.
• gojsonq star:1065 A simple Go package to Query over JSON Data.
• jsonql star:214 JSON query expression library in Golang.
• rql star:123 Resource Query Language for REST API.
• graphql star:51 graphql parser + utilities.
• jsonslice star:29 Jsonpath queries with advanced filters.
• straf star:4 Easily Convert Golang structs to GraphQL objects.

Resource Embedding

• packr star:2483 The simple and easy way to embed static files into Go binaries.
• statik star:2347 Embeds static files into a Go executable.
• go.rice star:1775 go.rice is a Go package that makes working with resources such as html,js,css,images and templates very easy.
• vfsgen star:738 Generates a vfsdata.go file that statically implements the given virtual filesystem.
• esc star:502 Embeds files into Go programs and provides http.FileSystem interfaces to them.
• fileb0x star:478 Simple tool to embed files in go with focus on "customization" and ease to use.
• go-resources star:158 Unfancy resources embedding with Go.
• statics star:54 Embeds static resources into go files for single binary compilation + works with http.FileSystem + symlinks.
• templify star:22 Embed external template files into Go code to create single file binaries.
• go-embed star:18 Generates go code to embed resource files into your library or executable.

Science and Data Analysis

Libraries for scientific computing and data analyzing.

• gonum star:3283 Gonum is a set of numeric libraries for the Go programming language. It contains libraries for matrices, statistics, optimization, and more.
• stats star:1403 Statistics package with common functions missing from the Golang standard library.
• gosl star:1356 Go scientific library for linear algebra, FFT, geometry, NURBS, numerical methods, probabilities, optimisation, differential equations, and more.
• streamtools star:1318 general purpose, graphical tool for dealing with streams of data.
• gonum/plot star:1295 gonum/plot provides an API for building and drawing plots in Go.
• go-dsp star:647 Digital Signal Processing for Go.
• goraph star:613 Pure Go graph theory library(data structure, algorith visualization).
• chart star:606 Simple Chart Plotting library for Go. Supports many graphs types.
• ewma star:275 Exponentially-weighted moving averages.
• graph star:274 Library of basic graph algorithms.
• orb star:231 2D geometry types with clipping, GeoJSON and Mapbox Vector Tile support.
• gohistogram star:135 Approximate histograms for data streams.
• dataframe-go star:112 Dataframes for machine-learning and statistics (similar to pandas).
• TextRank star:85 TextRank implementation in Golang with extendable features (summarization, weighting, phrase extraction) and multithreading (goroutine) support.
• sparse star:76 Go Sparse matrix formats for linear algebra supporting scientific and machine learning applications, compatible with gonum matrix libraries.
• pagerank star:52 Weighted PageRank algorithm implemented in Go.
• geom star:42 2D geometry for golang.
• evaler star:40 Simple floating point arithmetic expression evaluator.
• goent star:13 GO Implementation of Entropy Measures.
• triangolatte star:12 2D triangulation library. Allows translating lines and polygons (both based on points) to the language of GPUs.
• ode star:11 Ordinary differential equation (ODE) solver which supports extended states and channel-based iteration stop conditions.
• GoStats star:11 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:10 Tiny linear interpolation library.
• PiHex star:8 Implementation of the "Bailey-Borwein-Plouffe" algorithm for the hexadecimal number Pi.
• go-gt star:5 Graph theory algorithms written in "Go" language.
• assocentity star:5 Package assocentity returns the average distance from words to a given entity.
• rootfinding star:3 root-finding algorithms library for finding roots of quadratic functions.
• bradleyterry star:1 Provides a Bradley-Terry Model for pairwise comparisons.

Security

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

• lego star:3712 Pure Go ACME client library and CLI tool (for use with Let's Encrypt).
• Cameradar star:1949 Tool and library to remotely hack RTSP streams from surveillance cameras.
• acmetool star:1716 ACME (Let's Encrypt) client tool with automatic renewal.
• memguard star:1621 A pure Go library for handling sensitive values in memory.
• secure star:1268 HTTP middleware for Go that facilitates some quick security wins.
• acra star:488 Network encryption proxy to protect database-based applications from data leaks: strong selective encryption, SQL injections prevention, intrusion detection system.
• nacl star:458 Go implementation of the NaCL set of API's.
• BadActor star:255 In-memory, application-driven jailer built in the spirit of fail2ban.
• passlib star:229 Futureproof password hashing library.
• ssh-vault star:209 encrypt/decrypt using ssh keys.
• simple-scrypt star:160 Scrypt package with a simple, obvious API and automatic cost calibration built-in.
• go-yara star:144 Go Bindings for YARA, the "pattern matching swiss knife for malware researchers (and everyone else)".
• argon2pw star:77 Argon2 password hash generation with constant-time password comparison.
• autocert Auto provision Let's Encrypt certificates and start a TLS server.
• goSecretBoxPassword star:34 A probably paranoid package for securely hashing and encrypting passwords.
• Interpol Rule-based data generator for fuzzing and penetration testing.
• goArgonPass star:11 Argon2 password hash and verification designed to be compatible with existing Python and PHP implementations.
• certificates star:10 An opinionated tool for generating tls certificates.
• sslmgr star:7 SSL certificates made easy with a high level wrapper around acme/autocert.

Serialization

Libraries and tools for binary serialization.

• jsoniter star:6493 High-performance 100% compatible drop-in replacement of "encoding/json".
• goprotobuf star:5712 Go support, in the form of a library and protocol compiler plugin, for Google's protocol buffers.
• gogoprotobuf star:3291 Protocol Buffers for Go with Gadgets.
• mapstructure star:2780 Go library for decoding generic map values into native Go structures.
• go-codec star:1309 High Performance, feature-Rich, idiomatic encode, decode and rpc library for msgpack, cbor and json, with runtime-based OR code-generation support.
• colfer star:494 Code generation for the Colfer binary format.
• csvutil star:329 High Performance, idiomatic CSV record encoding and decoding to native Go structures.
• go-capnproto star:273 Cap'n Proto library and parser for go.
• php_session_decoder star:129 GoLang library for working with PHP session format and PHP Serialize/Unserialize functions.
• structomap star:102 Library to easily and dynamically generate maps from static structures.
• cbor star:80 Small, safe, and easy CBOR encoding and decoding library.
• bambam star:60 generator for Cap'n Proto schemas from go.
• asn1 star:42 Asn.1 BER and DER encoding library for golang.
• binstruct star:11 Golang binary decoder for mapping data into the structure.
• fwencoder star:10 Fixed width file parser (encoding and decoding library) for Go.
• bel star:7 Generate TypeScript interfaces from Go structs/interfaces. Useful for JSON RPC.
• pletter star:7 A standard way to wrap a proto message for message brokers.

Server Applications

• etcd star:28363 Highly-available key value store for shared configuration and service discovery.
• Caddy star:25170 Caddy is an alternative, HTTP/2 web server that's easy to configure and use.
• consul Consul is a tool for service discovery, monitoring and configuration.
• minio star:19025 Minio is a distributed object storage server.
• RoadRunner star:3656 High-performance PHP application server, load-balancer and process manager.
• devd star:2885 Local webserver for developers.
• algernon star:1631 HTTP/2 web server with built-in support for Lua, Markdown, GCSS and Amber.
• SFTPGo star:1148 Full featured and highly configurable SFTP server software.
• yakvs Small, networked, in-memory key-value store.
• flipt star:1116 A self contained feature flag solution written in Go and Vue.js
• Flagr star:946 Flagr is an open-source feature flagging and A/B testing service.
• Fider star:886 Fider is an open platform to collect and organize customer feedback.
• jackal star:751 An XMPP server written in Go.
• discovery star:751 A registry for resilient mid-tier load balancing and failover.
• dudeldu star:103 A simple SHOUTcast server.
• psql-streamer star:10 Stream database events from PostgreSQL to Kafka.
• riemann-relay Relay to load-balance Riemann events and/or convert them to Carbon.
• nginx-prometheus star:8 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:232 Go stream processing library.

Template Engines

Libraries and tools for templating and lexing.

• gofpdf star:3407 PDF document generator with high level support for text, drawing and images.
• pongo2 star:1557 Django-like template-engine for Go.
• quicktemplate star:1525 Fast, powerful, yet easy to use template engine. Converts templates into Go code and then compiles it.
• hero star:1244 Hero is a handy, fast and powerful go template engine.
• mustache star:973 Go implementation of the Mustache template language.
• amber star:832 Amber is an elegant templating engine for Go Programming Language It is inspired from HAML and Jade.
• ace star:772 Ace is an HTML template engine for Go, inspired by Slim and Jade. Ace is a refinement of Gold.
• Razor star:720 Razor view engine for Golang.
• jet star:599 Jet template engine.
• ego star:421 Lightweight templating language that lets you write templates in Go. Templates are translated into Go and compiled.
• raymond star:353 Complete handlebars implementation in Go.
• fasttemplate star:327 Simple and fast template engine. Substitutes template placeholders up to 10x faster than text/template.
• Soy star:145 Closure templates (aka Soy templates) for Go, following the official spec.
• liquid star:89 Go implementation of Shopify Liquid templates.
• goview star:82 Goview is a lightweight, minimalist and idiomatic template library based on golang html/template for building Go web application.
• maroto star:77 A maroto way to create PDFs. Maroto is inspired in Bootstrap and uses gofpdf. Fast and simple.
• kasia.go star:70 Templating system for HTML and other text documents - go implementation.
• velvet star:68 Complete handlebars implementation in Go.
• damsel star:21 Markup language featuring html outlining via css-selectors, extensible via pkg html/template and others.
• extemplate star:16 Tiny wrapper around html/template to allow for easy file-based template inheritance.

Testing

Libraries for testing codebases and generating test data.

• Testing Frameworks

  • testmd Convert markdown snippets into testable go code.
  • Testify star:8968 Sacred extension to the standard go testing package.
  • go-cmp star:1428 Package for comparing Go values in tests.
  • httpexpect star:1205 Concise, declarative, and easy to use end-to-end HTTP and REST API testing.
  • godog star:841 Cucumber or Behat like BDD framework for Go.
  • baloo star:659 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:646 Mocha like testing framework fo Go.
  • testfixtures star:367 A helper for Rails' like test fixtures to test database applications.
  • go-vcr star:354 Record and replay your HTTP interactions for fast, deterministic and accurate tests.
  • go-mutesting star:318 Mutation testing for Go source code.
  • gofight star:278 API Handler Testing for Golang Router framework.
  • frisby star:255 REST API testing framework.
  • ginkgo BDD Testing Framework for Go.
  • go-carpet star:200 Tool for viewing test coverage in terminal.
  • charlatan star:192 Tool to generate fake interface implementations for tests.
  • gotest.tools star:136 A collection of packages to augment the go testing package and support common patterns.
  • endly star:113 Declarative end to end functional testing.
  • GoSpec star:112 BDD-style testing framework for the Go programming language.
  • cupaloy star:94 Simple snapshot testing addon for your test framework.
  • dbcleaner star:92 Clean database for testing purpose, inspired by database_cleaner in Ruby.
  • go-testdeep star:75 Extremely flexible golang deep comparison, extends the go testing package.
  • 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.
  • wstest star:67 Websocket client for unit-testing a websocket http.Handler.
  • gospecify star:53 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:49 Go micro framework to help writing RESTful API integration test.
  • commander star:40 Tool for testing cli applications on windows, linux and osx.
  • gomega Rspec like matcher/assertion library.
  • gomatch star:32 library created for testing JSON against patterns.
  • jsonassert star:28 Package for verifying that your JSON payloads are serialized correctly.
  • Hamcrest star:27 fluent framework for declarative Matcher objects that, when applied to input values, produce self-describing results.
  • dsunit star:25 Datastore testing for SQL, NoSQL, structured files.
  • assert star:16 Basic Assertion Library used along side native go testing, with building blocks for custom assertions.
  • testcase star:12 Idiomatic testing framework for Behavior Driven Development.
  • badio star:9 Extensions to Go's testing/iotest package.
  • gocrest star:9 Composable hamcrest-like matchers for Go assertions.
  • flute star:9 HTTP client testing framework.
  • gosuite star:9 Brings lightweight test suites with setup/teardown facilities to testing by leveraging Go1.7's Subtests.
  • gogiven star:8 YATSPEC-like BDD testing framework for Go.
  • schema star:7 Quick and easy expression matching for JSON schemas used in requests and responses.
  • testsql star:7 Generate test data from SQL files before testing and clear it after finished.
  • biff star:6 Bifurcation testing framework, BDD compatible.
  • Tt star:6 Simple and colorful test tools.
  • trial star:4 Quick and easy extendable assertions without introducing much boilerplate.

• Mock

  • gomock star:3310 Mocking framework for the Go programming language.
  • go-sqlmock star:2044 Mock SQL driver for testing database interactions.
  • hoverfly star:1493 HTTP(S) proxy for recording and simulating REST/SOAP APIs with extensible middleware and easy-to-use CLI.
  • gock star:912 Versatile HTTP mocking made easy.
  • httpmock star:660 Easy mocking of HTTP responses from external resources.
  • counterfeiter star:381 Tool for generating self-contained mock objects.
  • minimock star:281 Mock generator for Go interfaces.
  • go-txdb star:190 Single transaction based database driver mainly for testing purposes.
  • govcr star:86 HTTP mock for Golang: record and replay HTTP interactions for offline testing.
  • mockhttp star:22 Mock object for Go http.ResponseWriter.

• Fuzzing and delta-debugging/reducing/shrinking.

  • go-fuzz star:3202 Randomized testing system.
  • gofuzz star:665 Library for populating go objects with random values.
  • Tavor star:213 Generic fuzzing and delta-debugging framework.

• Selenium and browser control tools.

  • chromedp star:3981 a way to drive/test Chrome, Safari, Edge, Android Webviews, and other browsers supporting the Chrome Debugging Protocol.
  • selenoid star:1396 alternative Selenium hub server that launches browsers within containers.
  • cdp star:389 Type-safe bindings for the Chrome Debugging Protocol that can be used with browsers or other debug targets that implement it.
  • ggr star:226 a lightweight server that routes and proxies Selenium WebDriver requests to multiple Selenium hubs.

• Fail injection

  • failpoint star:454 An implementation of failpoints for Golang.

Text Processing

Libraries for parsing and manipulating texts.

• Specific Formats
  • colly star:9343 Fast and Elegant Scraping Framework for Gophers.
  • GoQuery star:8037 GoQuery brings a syntax and a set of features similar to jQuery to the Go language.
  • blackfriday star:4102 Markdown processor in Go.
  • toml star:2938 TOML configuration format (encoder/decoder with reflection).
  • sh star:2185 Shell parser and formatter.
  • go-humanize star:2013 Formatters for time, numbers, and memory size to human readable format.
  • bluemonday star:1334 HTML Sanitizer.
  • inject star:1175 Package inject provides a reflect based injector.
  • gofeed star:1160 Parse RSS and Atom feeds in Go.
  • go-toml star:660 Go library for the TOML format with query support and handy cli tools.
  • commonregex star:565 A collection of common regular expressions for Go.
  • slug star:463 URL-friendly slugify with multiple languages support.
  • mxj star:346 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:330 Parses the Graphviz DOT language.
  • dataflowkit star:328 Web scraping Framework to turn websites into structured data.
  • gotext star:240 GNU gettext utilities for Go.
  • go-runewidth star:229 Functions to get fixed width of the character or string.
  • htmlquery star:168 An XPath query package for HTML, lets you extract data or evaluate from HTML documents by an XPath expression.
  • goq star:156 Declarative unmarshaling of HTML using struct tags with jQuery syntax (uses GoQuery).
  • go-nmea star:106 NMEA parser library for the Go language.
  • sdp star:76 SDP: Session Description Protocol [RFC 4566].
  • align star:60 A general purpose application that aligns text.
  • genex star:56 Count and expand Regular Expressions into all matching Strings.
  • go-slugify star:56 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.
  • editorconfig-core-go star:51 Editorconfig file parser and manipulator for Go.
  • goribot star:49 A simple golang spider/scraping framework,build a spider in 3 lines.
  • go-zero-width star:45 Zero-width character detection and removal for Go.
  • guesslanguage star:45 Functions to determine the natural language of a unicode text.
  • allot star:38 Placeholder and wildcard text parsing for CLI tools and bots.
  • goregen star:37 Library for generating random strings from regular expressions.
  • go-fixedwidth star:32 Fixed-width text formatting (encoder/decoder with reflection).
  • gonameparts star:29 Parses human names into individual name parts.
  • Slugify star:27 Go slugify application that handles string.
  • did star:26 DID (Decentralized Identifiers) Parser and Stringer in Go.
  • go-vcard star:26 Parse and format vCard.
  • codetree star:13 Parses indented code (python, pixy, scarlet, etc.) and returns a tree structure.
  • 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.
  • doi star:4 Document object identifier (doi) parser in Go.
  • encdec star:3 Package provides a generic interface to encoders and decodersa.
  • ltsv star:3 High performance LTSV (Labeled Tab Separeted Value) reader for Go.
• Utility
  • xurls star:547 Extract urls from text.
  • gotabulate star:215 Easily pretty-print your tabular data with Go.
  • radix star:147 fast string sorting algorithm.
  • parth star:34 URL path segmentation parsing.
  • xj2go star:18 Convert xml or json to go struct.
  • gofuckyourself star:16 A sanitization-based swear filter for Go.
  • kace star:12 Common case conversions covering common initialisms.
  • parseargs-go star:7 string argument parser that understands quotes and backslashes.
  • Tagify star:3 Produces a set of tags from given source.
  • TySug star:3 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.

• aws-sdk-go star:5359 The official AWS SDK for the Go programming language.
• github star:5262 Go library for accessing the GitHub REST API v3.
• slack star:2622 Slack API in Go.
• google star:2041 Auto-generated Google APIs for Go.
• google-cloud star:1930 Google Cloud APIs Go Client Library.
• discordgo star:1056 Go bindings for the Discord Chat API.
• anaconda star:1006 Go client library for the Twitter 1.1 API.
• stripe star:1001 Go client for the Stripe API.
• go-twitter star:854 Go client library for the Twitter v1.1 APIs.
• facebook star:808 Go Library that supports the Facebook Graph API.
• minio-go star:807 Minio Go Library for Amazon S3 compatible cloud storage.
• go-jira star:638 Go client library for Atlassian JIRA
• githubql star:564 Go library for accessing the GitHub GraphQL API v4.
• webhooks star:415 Webhook receiver for GitHub and Bitbucket.
• geo-golang star:330 Go Library to access Google Maps, MapQuest, Nominatim, OpenCage, Bing, Mapbox, and OpenStreetMap geocoding / reverse geocoding APIs.
• paypal star:326 Wrapper for PayPal payment API.
• go-marathon star:191 Go library for interacting with Mesosphere's Marathon PAAS.
• ethrpc star:178 Go bindings for Ethereum JSON RPC API.
• gostorm star:123 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:120 Golang SDK for Medium's OAuth2 API.
• Trello star:119 Go wrapper for the Trello API.
• hipchat (xmpp) star:112 A golang package to communicate with HipChat over XMPP.
• hipchat star:109 This project implements a golang client library for the Hipchat API.
• go-trending star:104 Go library for accessing trending repositories and developers at Github.
• cachet star:73 Go client library for Cachet (open source status page system).
• pushover star:61 Go wrapper for the Pushover API.
• megos star:57 Client library for accessing an Apache Mesos cluster.
• clarifai star:57 Go client library for interfacing with the Clarifai API.
• wit-go star:56 Go client for wit.ai HTTP API.
• igdb star:53 Go client for the Internet Game Database API.
• circleci star:46 Go client library for interacting with CircleCI's API.
• gads star:46 Google Adwords Unofficial API.
• amazon-product-advertising-api star:40 Go Client Library for Amazon Product Advertising API.
• go-xkcd star:40 Go client for the xkcd API.
• GoMusicBrainz star:37 Go MusicBrainz WS2 client library.
• uptimerobot star:36 Go wrapper and command-line client for the Uptime Robot v2 API.
• golyrics star:33 Golyrics is a Go library to fetch music lyrics data from the Wikia website.
• fcm star:32 Go library for Firebase Cloud Messaging.
• mixpanel star:30 Mixpanel is a library for tracking events and sending Mixpanel profile updates to Mixpanel from your go applications.
• gcm star:29 Go library for Google Cloud Messaging.
• translate star:28 Go online translation package.
• gami star:27 Go library for Asterisk Manager Interface.
• go-unsplash star:24 Go client library for the Unsplash.com API.
• patreon-go star:20 Go library for Patreon API.
• shopify star:19 Go Library to make CRUD request to the Shopify API.
• spotify star:19 Go Library to access Spotify WEB API.
• ynab star:18 Go wrapper for the YNAB API.
• go-twitch star:17 Go client for interacting with the Twitch v3 API.
• steam star:17 Go Library to interact with Steam game servers.
• brewerydb star:16 Go library for accessing the BreweryDB API.
• 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.
• textbelt star:15 Go client for the textbelt.com txt messaging API.
• simples3 star:14 Simple no frills AWS S3 Library using REST with V4 Signing written in Go.
• go-imgur star:14 Go client library for imgur
• coinpaprika-go star:12 Go client library for interacting with Coinpaprika's API.
• google-analytics star:11 Simple wrapper for easy google analytics reporting.
• smite star:10 Go package to wraps access to the Smite game API.
• go-hacknews star:10 Tiny Go client for HackerNews API.
• rrdaclient star:8 Go Library to access statdns.com API, which is in turn RRDA API. DNS Queries over HTTP.
• go-sptrans star:7 Go client library for the SPTrans Olho Vivo API.
• lastpass-go star:7 Go client library for the LastPass API.
• go-telegraph Telegraph publishing platform API client.
• tumblr star:6 Go wrapper for the Tumblr v2 API.
• google-email-audit-api star:6 Go client library for Google G Suite Email Audit API.
• zooz star:5 Go client for the Zooz API.
• go-here star:5 Go client library around the HERE location based APIs.
• 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
• gomalshare star:3 Go library MalShare API malshare.com
• TripAdvisor star:1 Go wrapper for the TripAdvisor API.
• vl-go star:1 Go client library around the VerifID identity verification layer API.
• libgoffi star:1 Library adapter toolbox for native libffi integration
• playlyfe star:1 The Playlyfe Rest API Go SDK.

Utilities

General utilities and tools to make your life easier.

• fzf star:25366 Command-line fuzzy finder written in Go.
• hub star:17977 wrap git commands with additional functionality to interact with github from the terminal.
• delve star:12800 Go debugger.
• ctop star:9171 Top-like interface (e.g. htop) for container metrics.
• wuzz star:8439 Interactive cli tool for HTTP inspection.
• sqlx star:7351 provides a set of extensions on top of the excellent built-in database/sql package.
• peco star:5631 Simplistic interactive filtering tool.
• usql star:5454 usql is a universal command-line interface for SQL databases.
• goreleaser star:4860 Deliver Go binaries as fast and easily as possible.
• godropbox star:3790 Common libraries for writing Go services/applications from Dropbox.
• realize star:3374 Go build system with file watchers and live reload. Run, build and watch file changes with custom paths.
• goreporter star:2556 Golang tool that does static analysis, unit testing, code review and generate code quality report.
• hystrix-go star:2216 Implements Hystrix patterns of programmer-defined fallbacks aka circuit breaker.
• panicparse star:2170 Groups similar goroutines and colorizes stack dump.
• Task star:2097 simple "Make" alternative.
• minify star:1938 Fast minifiers for HTML, CSS, JS, XML, JSON and SVG file formats.
• mmake star:1466 Modern Make.
• Storm star:1441 Simple and powerful toolkit for BoltDB.
• go-funk star:1420 Modern Go utility library which provides helpers (map, find, contains, filter, chunk, reverse, ...).
• mole star:1341 cli app to easily create ssh tunnels.
• mc star:1239 Minio Client provides minimal tools to work with Amazon S3 compatible cloud storage and filesystems.
• filetype star:1002 Small package to infer the file type checking the magic numbers signature.
• boilr star:998 Blazingly fast CLI tool for creating projects from boilerplate templates.
• mergo star:937 Helper to merge structs and maps in Golang. Useful for configuration default values, avoiding messy if-statements.
• spinner star:874 Go package to easily provide a terminal spinner with options.
• circuitbreaker star:822 Circuit Breakers in Go.
• git-time-metric star:752 Simple, seamless, lightweight time tracking for Git.
• jump star:741 Jump helps you navigate faster by learning your habits.
• immortal star:625 *nix cross-platform (OS agnostic) supervisor.
• htcat star:495 Parallel and Pipelined HTTP GET Utility.
• go-dry star:437 DRY (don't repeat yourself) package for Go.
• gopencils star:426 Small and simple package to easily consume REST APIs.
• godaemon star:414 Utility to write daemons.
• circuit star:396 An efficient and feature complete Hystrix like Go implementation of the circuit breaker pattern.
• request star:367 Go HTTP Requests for Humans™.
• koazee star:338 Library inspired in Lazy evaluation and functional programming that takes the hassle out of working with arrays.
• ergo star:337 The management of multiple local services running over different ports made easy.
• go-rate star:294 Timed rate limiter for Go.
• gohper star:247 Various tools/modules help for development.
• clockwork star:235 A simple fake clock for golang.
• Deepcopier star:227 Simple struct copying for Go.
• serve star:198 A static http server anywhere you need.
• go-trigger star:188 Go-lang global event triggerer, Register Events with an id and trigger the event from anywhere from your project.
• gubrak star:183 Golang utility library with syntactic sugar. It's like lodash, but for golang.
• retry star:179 The most advanced functional mechanism to perform actions repetitively until successful.
• mimetype star:165 Package for MIME type detection based on magic numbers.
• go-bind-plugin star:163 go:generate tool for wrapping symbols exported by golang plugins (1.8 only).
• gotenv star:157 Load environment variables from .env or any io.Reader in Go.
• rerun star:155 Recompiling and rerunning go apps when source changes.
• moldova star:147 Utility for generating random data based on an input template.
• util star:145 Collection of useful utility functions. (strings, concurrency, manipulations, ...).
• Death star:144 Managing go application shutdown with signals.
• robustly star:139 Runs functions resiliently, catching and restarting panics.
• apm star:130 Process manager for Golang applications with an HTTP API.
• chyle star:112 Changelog generator using a git repository with multiple configuration possibilities.
• toolbox star:110 Slice, map, multimap, struct, function, data conversion utilities. Service router, macro evaluator, tokenizer.
• go-sitemap-generator star:110 XML Sitemap generator written in Go.
• onecache star:103 Caching library with support for multiple backend stores (Redis, Memcached, filesystem etc).
• lrserver star:103 LiveReload server for Go.
• go-bsdiff star:90 Pure Go bsdiff and bspatch libraries and CLI tools.
• pm star:74 Process (i.e. goroutine) manager with an HTTP API.
• xferspdy star:69 Xferspdy provides binary diff and patch library in golang.
• UNIS star:69 Common Architecture™ for String Utilities in Go.
• mssqlx star:66 Database client library, proxy for any master slave, master master structures. Lightweight and auto balancing in mind.
• go-health star:66 Health package simplifies the way you add health check to your services.
• repeat star:60 Go implementation of different backoff strategies useful for retrying operations and heartbeating.
• multitick star:59 Multiplexor for aligned tickers.
• minquery star:50 MongoDB / mgo.v2 query that supports efficient pagination (cursors to continue listing documents where we left off).
• handy star:49 Many utilities and helpers like string handlers/formatters and validators.
• mimemagic star:48 Pure Go ultra performant MIME sniffing library/utility.
• go-astitodo star:46 Parse TODOs in your GO code.
• golog star:44 Easy and lightweight CLI tool to time track your tasks.
• goreadability star:42 Webpage summary extractor using Facebook Open Graph and arc90's readability.
• goback star:42 Go simple exponential backoff package.
• gaper star:40 Builds and restarts a Go project when it crashes or some watched file changes.
• intrinsic star:40 Use x86 SIMD without writing any assembly code.
• copy-pasta star:38 Universal multi-workstation clipboard that uses S3 like backend for the storage.
• goseaweedfs star:37 SeaweedFS client library with almost full features.
• golarm star:36 Fire alarms with system events.
• retry star:34 Simple and easy retry mechanism package for Go.
• myhttp star:33 Simple API to make HTTP GET requests with timeout support.
• gpath star:32 Library to simplify access struct fields with Go's expression in reflection.
• retry-go star:31 Retrying made simple and easy for golang.
• pgo star:30 Convenient functions for PHP community.
• rclient star:29 Readable, flexible, simple-to-use client for REST APIs.
• ugo star:22 ugo is slice toolbox with concise syntax for Go.
• scan star:22 Scan golang sql.Rows directly to structs, slices, or primitive types.
• generate star:21 runs go generate recursively on a specified path or environment variable and can filter by regex.
• goplaceholder star:21 a small golang lib to generate placeholder images.
• dbt star:20 A framework for running self-updating signed binaries from a central, trusted repository.
• evaluator star:19 Evaluate an expression dynamicly based on s-expression. It's simple and easy to extend.
• gostrutils star:18 Collections of string manipulation and conversion functions.
• filter star:18 provide filtering, sanitizing, and conversion of Go data.
• dlog star:15 Compile-time controlled logger to make your release smaller without removing debug calls.
• okrun star:14 go run error steamroller.
• filler star:14 small utility to fill structs using "fill" tag.
• go-httpheader star:14 Go library for encoding structs into Header fields.
• ghokin star:13 Parallelized formatter with no external dependencies for gherkin (cucumber, behat...).
• structs star:13 Implement simple functions to manipulate structs.
• rerate star:13 Redis-based rate counter and rate limiter for Go.
• rest-go star:12 A package that provide many helpful methods for working with rest api.
• mimesniffer star:11 A MIME type sniffer for Go.
• retry star:10 A pretty simple library to ensure your work to be done.
• cmd star:10 Library for executing shell commands on osx, windows and linux.
• ctxutil star:10 A collection of utility functions for contexts.
• command star:9 Command pattern for Go with thread safe serial and parallel dispatcher.
• backscanner star:9 A scanner similar to bufio.Scanner, but it reads and returns lines in reverse order, starting at a given position and going backward.
• slicer star:5 Makes working with slices easier.
• sslice star:5 Create a slice which is always sorted.
• limiters star:5 Rate limiters for distributed applications in Golang with configurable back-ends and distributed locks.
• shutdown star:5 App shutdown hooks for os.Signal handling.
• silk star:4 Read silk netflow files.
• retry star:4 A simple but highly configurable retry package for Go.
• sliceconv star:3 Slice conversion between primitive types.
• go-problemdetails star:3 Go package for working with Problem Details.
• blank star:3 Verify or remove blanks and whitespace from strings.
• olaf star:1 Twitter Snowflake implemented in Go.

UUID

Libraries for working with UUIDs.

• ulid star:1750 Go implementation of ULID (Universally Unique Lexicographically Sortable Identifier).
• uniq No hassle safe, fast unique identifiers with commands.
• uuid star:618 Implementation of Universally Unique Identifier (UUID). Supports both creation and parsing of UUIDs. Actively maintained fork of satori uuid.
• wuid star:315 An extremely fast unique number generator, 10-135 times faster than UUID.
• goid star:25 Generate and Parse RFC4122 compliant V4 UUIDs.
• sno star:20 Compact, sortable and fast unique IDs with embedded metadata.
• nanoid star:13 A tiny and efficient Go unique string ID generator.
• uuid star:10 Generate, encode, and decode UUIDs v1 with fast or cryptographic-quality random node identifier.

Validation

Libraries for validation.

• validator star:4295 Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving.
• govalidator star:3855 Validators and sanitizers for strings, numerics, slices and structs.
• ozzo-validation star:1168 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:784 Validate Golang request data with simple rules. Highly inspired by Laravel's request validation.
• validate star:154 Go package for data validation and filtering. support validate Map, Struct, Request(Form, JSON, url.Values, Uploaded Files) data and more features.
• checkdigit star:47 Provide check digit algorithms (Luhn, Verhoeff, Damm) and calculators (ISBN, EAN, JAN, UPC, etc.).
• jio star:29 jio is a json schema validator similar to joi.
• validate star:26 This package provides a framework for writing validations for Go applications.
• terraform-validator star:24 A norms and conventions validator for Terraform.

Version Control

Libraries for version control.

• go-git star:4666 highly extensible Git implementation in pure Go.
• git2go star:1403 Go bindings for libgit2.
• hercules star:737 gaining advanced insights from Git repository history.
• gh star:71 Scriptable server and net/http middleware for GitHub Webhooks.
• go-vcs star:71 manipulate and inspect VCS repositories in Go.
• hgo star:12 Hgo is a collection of Go packages providing read-access to local Mercurial repositories.

Video

Libraries for manipulating video.

• goav star:927 Comphrensive Go bindings for FFmpeg.
• m3u8 star:623 Parser and generator library of M3U8 playlists for Apple HLS.
• gmf star:568 Go bindings for FFmpeg av* libraries.
• go-astits star:274 Parse and demux MPEG Transport Streams (.ts) natively in GO.
• go-astisub star:208 Manipulate subtitles in GO (.srt, .stl, .ttml, .webvtt, .ssa/.ass, teletext, .smi, etc.).
• gst star:154 Go bindings for GStreamer.
• libvlc-go star:77 Go bindings for libvlc 2.X/3.X/4.X (used by the VLC media player).
• go-m3u8 star:43 Parser and generator library for Apple m3u8 playlists.
• v4l star:33 Video capture library for Linux, written in Go.
• libgosubs star:11 Subtitle format support for go. Supports .srt, .ttml, and .ass.

Web Frameworks

Full stack web frameworks.

• Gin star:33203 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:22603 beego is an open-source, high-performance web framework for the Go programming language.
• Buffalo Bringing the productivity of Rails to Go!
• Echo star:15799 High performance, minimalist Go web framework.
• Revel star:11432 High-productivity web framework for the Go language.
• Goa star:3639 Goa provides a holistic approach for developing remote APIs and microservices in Go.
• go-json-rest star:3366 Quick and easy way to setup a RESTful JSON API.
• Gizmo star:2962 Microservice toolkit used by the New York Times.
• Macaron star:2892 Macaron is a high productive and modular design web framework in Go.
• utron star:2148 Lightweight MVC framework for Go(Golang).
• tigertonic star:996 Go framework for building JSON web services inspired by Dropwizard.
• tango star:824 Micro & pluggable web framework for Go.
• gongular star:420 Fast Go web framework with input mapping/validation and (DI) Dependency Injection.
• neo star:398 Neo is minimal and fast Go Web Framework with extremely simple API.
• Air star:348 An ideally refined web framework for Go.
• mango star:339 Mango is a modular web-application framework for Go, inspired by Rack, and PEP333.
• Gondola star:316 The web framework for writing faster sites, faster.
• Golf star:238 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.
• Aero star:201 High-performance web framework for Go, reaches top scores in Lighthouse.
• go-rest star:116 Small and evil REST framework for Go.
• hiboot star:104 hiboot is a high performance web application framework with auto configuration and dependency injection support.
• WebGo star:83 A micro-framework to build web apps; with handler chaining, middleware and context injection. With standard library compliant HTTP handlers(i.e. http.HandlerFunc).
• Golax star:71 A non Sinatra fast HTTP framework with support for Google custom methods, deep interceptors, recursion and more.
• Flamingo star:67 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.
• Microservice star:67 The framework for the creation of microservices, written in Golang.
• uAdmin star:64 Fully featured web framework for Golang, inspired by Django.
• YARF star:52 Fast micro-framework designed to build REST APIs and web services in a fast and simple way.
• Fireball star:49 More "natural" feeling web framework.
• vox star:45 A golang web framework for humans, inspired by Koa heavily.
• patron star:43 Patron is a microservice framework following best cloud practices with a focus on productivity.
• aah Scalable, performant, rapid development Web framework for Go.
• REST Layer Framework to build REST/GraphQL API on top of databases with mostly configuration over code.
• Resoursea star:29 REST framework for quickly writing resource based services.
• rex star:27 Rex is a library for modular development built upon gorilla/mux, fully compatible with net/http.
• goa star:26 goa is just like koajs for golang, it is a flexible, light, high-performance and extensible web framework based on middleware.
• rux star:17 Simple and fast web framework for build golang HTTP applications.
• Banjo star:10 Very simple and fast web framework for Go.
• Ginrpc star:8 Gin parameter automatic binding tool,gin rpc tools.

Middlewares

Actual middlewares

• Tollbooth star:1397 Rate limit HTTP request handler.
• CORS star:1305 Easily add CORS capabilities to your API.
• Limiter star:843 Dead simple rate limit middleware for Go.
• go-server-timing star:766 Add/parse Server-Timing header.
• ln-paywall star:97 Go middleware for monetizing APIs on a per-request basis with the Lightning Network (Bitcoin).
• XFF star:72 Handle X-Forwarded-For header and friends.
• formjson star:33 Transparently handle JSON input as a standard form POST.
• client-timing star:15 An HTTP client for Server-Timing header.

Libraries for creating HTTP middlewares

• negroni star:6441 Idiomatic HTTP middleware for Golang.
• alice star:1899 Painless middleware chaining for Go.
• render star:1311 Go package for easily rendering JSON, XML, and HTML template responses.
• stats star:545 Go middleware that stores various information about your web application.
• interpose star:290 Minimalist net/http middleware for golang.
• muxchain star:209 Lightweight middleware for net/http.
• renderer star:176 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:86 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:59 Small middlewares package for net/http.
• catena star:7 http.Handler wrapper catenation (same API as "chain").

Routers

• mux star:10574 Powerful URL router and dispatcher for golang.
• httprouter star:10363 High performance router. Use this and the standard http handlers to form a very high performance web framework.
• chi star:6640 Small, fast and expressive HTTP router built on net/context.
• gocraft/web star:1401 Mux and middleware package in Go.
• Bone star:1241 Lightning Fast HTTP Multiplexer.
• fasthttprouter star:789 High performance router forked from httprouter. The first router fit for fasthttp.
• Goji star:780 Goji is a minimalistic and flexible HTTP request multiplexer with support for net/context.
• xujiajun/gorouter star:466 A simple and fast HTTP router for Go.
• httptreemux star:401 High-speed, flexible tree-based HTTP router for Go. Inspiration from httprouter.
• lars star:377 Is a lightweight, fast and extensible zero allocation HTTP router for Go used to create customizable frameworks.
• ozzo-routing star:365 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:254 Performant, stand-alone, HTTP compliant URL Router for go web applications.
• gowww/router star:158 Lightning fast HTTP router fully compatible with the net/http.Handler interface.
• alien star:108 Lightweight and fast http router from outer space.
• violetear star:96 Go HTTP router.
• Bxog star:92 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.
• pure star:90 Is a lightweight HTTP router that sticks to the std "net/http" implementation.
• xmux star:86 High performance muxer based on httprouter with net/context support.
• GoRouter star:52 GoRouter is a Server/API micro framwework, HTTP request router, multiplexer, mux that provides request router with middleware supporting net/context.
• bellt star:40 A simple Go HTTP router.
• FastRouter star:18 a fast, flexible HTTP router written in Go.
• goroute star:5 Simple yet powerful HTTP request multiplexer.

Windows

• go-ole star:582 Win32 OLE implementation for golang.
• d3d9 star:94 Go bindings for Direct3D9.
• gosddl star:1 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:305 Generate a Go struct from XML.
• xpath star:199 XPath package for Go.
• xquery star:151 XQuery lets you extract data from HTML/XML documents using XPath expression.
• xml2map star:17 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:7 Procedural XML generation API based on libxml2's xmlwriter module.

Tools

Go software and plugins.

Code Analysis

• GoLint star:3286 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:1369 Errcheck is a program for checking for unchecked errors in Go programs.
• gcvis star:937 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#.
• php-parser star:677 A Parser for PHP written in Go.
• go-critic star:623 source code linter that brings checks that are currently not implemented in other linters.
• goast-viewer star:404 Web based Golang AST visualizer.
• 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.
• go-cleanarch star:295 go-cleanarch was created to validate Clean Architecture rules, like a The Dependency Rule and interaction between packages in your Go projects.
• unused unused checks Go code for unused constants, variables, functions and types.
• unconvert star:272 Remove unnecessary type conversions from Go source.
• gostatus star:242 Command line tool, shows the status of repositories that contain Go packages.
• go-mod-outdated star:234 An easy way to find outdated dependencies of your Go projects.
• dupl star:181 Tool for code clone detection.
• apicompat star:168 Checks recent changes to a Go project for backwards incompatible changes.
• go-checkstyle star:96 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.
• 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:65 Library and CLI that generates text plantump class diagram containing information about structures and interfaces with the relationship among them.
• lint star:64 Run linters as part of go test.
• validate star:62 Automatically validates struct fields with tags.
• go-outdated star:45 Console application that displays outdated packages.
• tarp star:14 tarp finds functions and methods without direct unit tests in Go source code.

Editor Plugins

• vim-go star:11297 Go development plugin for Vim.
• vscode-go star:5455 Extension for Visual Studio Code (VS Code) which provides support for the Go language.
• gocode star:4791 Autocompletion daemon for the Go programming language.
• goprofiling This extension adds benchmark profiling support for the Go language to VS Code.
• GoSublime star:3279 Golang plugin collection for the text editor SublimeText 3 providing code completion and other IDE-like features.
• go-plus star:1494 Go (Golang) Package For Atom That Adds Autocomplete, Formatting, Syntax Checking, Linting and Vetting.
• go-mode star:998 Go mode for GNU/Emacs.
• Watch star:170 Runs a command in an acme win on file changes.
• vim-compiler-go star:82 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:17 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:2392 Generate Go tests from your source code.
• genny star:1054 Elegant generics for Go.
• re2dfa star:174 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:54 brings design-by-contract to Go by synchronizing the code with the documentation.
• gonerics Idiomatic Generics in Go.
• generic star:32 flexible data type for Go.
• gounit star:32 Generate Go tests using your own templates.
• hasgo star:26 Generate Haskell inspired functions for your slices.

Go Tools

• go-swagger star:4491 Swagger 2.0 implementation for go. Swagger is a simple yet powerful representation of your RESTful API.
• OctoLinker star:3998 Navigate through go files efficiently with the OctoLinker browser extension for GitHub.
• go-callvis star:2178 Visualize call graph of your Go program using dot format.
• richgo star:415 Enrich go test outputs with text decorations.
• depth star:409 Visualize dependency trees of any package by analyzing imports.
• gb An easy to use project based build tool for the Go programming language.
• rts star:191 RTS: response to struct. Generates Go structs from server responses.
• godbg star:164 Implementation of Rusts dbg! macro for quick and easy debugging during development.
• colorgo star:100 Wrapper around go command for colorized go build output.
• gothanks star:72 GoThanks automatically stars your go.mod github dependencies, sending this way some love to their maintainers.
• go-pkg-complete star:36 Bash completion for go and wgo.
• generator-go-lang star:16 A Yeoman generator to get new Go projects started.
• gilbert Build system and task runner for Go projects.
• go-james star:2 Go project skeleton creator, builds and tests your projects without the manual setup.

Software Packages

Software written in Go.

DevOps Tools

• kubernetes star:60456 Container Cluster Manager from Google.
• Moby star:55639 Collaborative project for the container ecosystem to assemble container-based systems.
• traefik star:26023 Reverse proxy and load balancer with support for multiple backends.
• Gitea star:17172 Fork of Gogs, entirely community driven.
• gitea-github-migrator Migrate all your GitHub repositories, issues, milestones and labels to your Gitea instance.
• Vegeta star:13199 HTTP load testing tool and library. It's over 9000!
• Packer star:9561 Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.
• Hey star:7116 Hey is a tiny program that sends some load to a web application.
• GVM star:4772 GVM provides an interface to manage Go versions.
• webhook star:4434 Tool which allows user to create HTTP endpoints (hooks) that execute commands on the server.
• Wide Web-based IDE for Teams using Golang.
• gaia star:3853 Build powerful pipelines in any programming language.
• gox star:3536 Dead simple, no frills Go cross compile tool.
• bosun star:2893 Time Series Alerting Framework.
• bombardier star:1887 Fast cross-platform HTTP benchmarking tool.
• goxc star:1636 build tool for Go, with a focus on cross-compiling and packaging.
• fac star:1631 Command-line user interface to fix git merge conflicts.
• kala star:1378 Simplistic, modern, and performant job scheduler.
• script star:1228 Making it easy to write shell-like scripts in Go for DevOps and system administration tasks.
• StatusOK star:1227 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:1021 Small utility/library optimized for high speed transfer of large objects into and out of Amazon S3.
• go-selfupdate star:692 Enable your Go applications to self update.
• Pomerium star:691 Pomerium is an identity-aware access proxy.
• skm star:568 SKM is a simple and powerful SSH Keys Manager, it helps you to manage your multiple SSH keys easily!
• Scaleway-cli star:549 Manage BareMetal Servers from Command Line (as easily as with Docker).
• aurora star:430 Cross-platform web-based Beanstalkd queue server console.
• govvv star:414 “go build” wrapper to easily add version information into Go binaries.
• gonative star:313 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.
• Mora star:268 REST server for accessing MongoDB documents and meta data.
• lstags star:238 Tool and API to sync Docker images across different registries.
• dogo star:221 Monitoring changes in the source file and automatically compile and run (restart).
• Gogs A Self Hosted Git Service in the Go Programming Language.
• godbg star:219 Web-based gdb front-end application.
• Pewpew star:215 Flexible HTTP command line stress tester.
• manssh star:208 manssh is a command line tool for managing your ssh alias config easily.
• aptly aptly is a Debian repository management tool.
• gobrew star:176 gobrew lets you easily switch between multiple versions of go.
• Blast star:171 A simple tool for API load testing and batch jobs.
• ostent star:163 collects and displays system metrics and optionally relays to Graphite and/or InfluxDB.
• grapes star:141 Lightweight tool designed to distribute commands over ssh with ease.
• easyssh-proxy star:111 Golang package for easy remote execution through SSH and SCP downloading via ProxyCommand.
• kcli star:94 Command line tool for inspecting kafka topics/partitions/messages.
• jcli star:93 Jenkins CLI allows you manage your Jenkins as an easy way.
• terraform-provider-openapi star:86 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:77 Cli tool to remotely execute commands on Windows machines.
• go-furnace star:73 Hosting solution written in Go. Deploy your Application with ease on AWS, GCP or DigitalOcean.
• drone-scp star:65 Copy files and artifacts via SSH using a binary, docker or Drone CI.
• Dockerfile-Generator star:55 A go library and an executable that produces valid Dockerfiles using various input channels.
• Dropship star:46 Tool for deploying code via cdn.
• Rodent star:30 Rodent helps you manage Go versions, projects and track dependencies.
• drone-jenkins star:26 Trigger downstream Jenkins jobs using a binary, docker or Drone CI.
• awsenv star:22 Small binary that loads Amazon (AWS) environment variables for a profile.
• DepCharge star:9 Helps orchestrating the execution of commands across the many dependencies in larger projects.
• lwc star:9 A live-updating version of the UNIX wc command.
• 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

• hugo Fast and Modern Static Website Engine.
• Gor star:11913 Http traffic replication tool, for replaying traffic from production to stage/dev environments in real-time.
• restic star:8798 De-duplicating backup program.
• Seaweed File System star:8775 Fast, Simple and Scalable Distributed File System with O(1) disk seek.
• confd star:6680 Manage local application configuration files using templates and data from etcd or consul.
• Comcast star:6295 Simulate bad network connections.
• LiteIDE star:5720 LiteIDE is a simple, open source, cross-platform Go IDE.
• drive star:5130 Google Drive client for the commandline.
• nes star:4257 Nintendo Entertainment System (NES) emulator written in Go.
• tsuru Extensible and open source Platform as a Service software.
• toxiproxy star:4190 Proxy to simulate network and system conditions for automated tests.
• Pipe star:3919 A small and beautiful blogging platform.
• Duplicacy star:2805 A cross-platform network and cloud backup tool based on the idea of lock-free deduplication.
• croc star:2628 Easily and securely send files or folders from one computer to another.
• myLG star:2242 Command Line Network Diagnostic tool written in Go.
• GoBoy star:2160 Nintendo Game Boy Color emulator written in Go.
• syncthing Open, decentralized file synchronization tool and protocol.
• Stack Up star:2027 Stack Up, a super simple deployment tool - just Unix - think of it like 'make' for a network of servers.
• 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.
• lgo star:1896 Interactive Go programming with Jupyter. It supports code completion, code inspection and 100% Go compatibility.
• Circuit star:1800 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:1799 Powerful telemetry framework.
• borg star:1442 Terminal based search engine for bash snippets.
• scc star:1136 Sloc Cloc and Code, a very fast accurate code counter with complexity calculations and COCOMO estimates.
• Documize star:938 Modern wiki software that integrates data from SaaS tools.
• Go Package Store star:880 App that displays updates for the Go packages in your GOPATH.
• Leaps star:649 Pair programming service using Operational Transforms.
• peg star:644 Peg, Parsing Expression Grammar, is an implementation of a Packrat parser generator.
• vFlow star:625 High-performance, scalable and reliable IPFIX, sFlow and Netflow collector.
• gfile star:514 Securely transfer files between two computers, without any third party, over WebRTC.
• GoDNS star:499 A dynamic DNS client tool, supports DNSPod & HE.net, written in Go.
• shell2http star:468 Executing shell commands via http server (for prototyping or remote control).
• mockingjay star:430 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:383 Video streaming torrent client.
• gocc star:367 Gocc is a compiler kit for Go written in Go.
• wellington star:292 Sass project management tool, extends the language with sprite functions (like Compass).
• ipe star:287 Open source Pusher server implementation compatible with Pusher client libraries written in GO.
• ide star:252 Browser accessible IDE. Designed for Go with Go.
• Cherry star:204 Tiny webchat server in Go.
• orange-cat star:180 Markdown previewer written in Go.
• Orbit star:132 A simple tool for running commands and generating files from templates.
• joincap star:125 Command-line utility for merging multiple pcap files together.
• Juju Cloud-agnostic service deployment and orchestration - supports EC2, Azure, Openstack, MAAS and more.
• Docker Open platform for distributed applications for developers and sysadmins.
• DDNS star:116 Personal DDNS client with Digital Ocean Networking DNS as backend.
• boxed star:71 Dropbox based blog engine.
• naclpipe star:20 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.
• GoLand Full featured cross-platform Go IDE.
• GoDocTooltip star:12 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:1304 Go HTTP request router benchmark and comparison.
• go-web-framework-benchmark star:1068 Go web framework benchmark.
• skynet star:937 Skynet 1M threads microbenchmark.
• go_serialization_benchmarks star:917 Benchmarks of Go serialization methods.
• speedtest-resize star:182 Compare various Image resize algorithms for the Go language.
• go-benchmarks star:128 Few miscellaneous Go microbenchmarks. Compare some language features to alternative approaches.
• gospeed star:97 Go micro-benchmarks for calculating the speed of language constructs.
• autobench star:89 Framework to compare the performance between different Go versions.
• gocostmodel star:55 Benchmarks of common basic operations for the Go language.
• golang-sql-benchmark star:49 Collection of benchmarks for popular Go database/SQL utilities.
• go-benchmark-app star:20 Powerful HTTP-benchmark tool mixed with Аb, Wrk, Siege tools. Gathering statistics and various parameters for benchmarks and comparison results.
• kvbench star:16 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:7184 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:1698 Gopher graphics pack by Maria Letta with illustrations and emotional characters in vector and raster.
• gopher-logos star:68 adorable gopher logos.
• Go-gopher-Vector star:30 Go gopher Vector Data [.ai, .svg].
• gopher-stickers
• gopher-vector
• gophericons
• gophers star:1973 Gopher artworks by Ashley McNamara.
• gophers star:1746 Free gophers.
• gopherize.me star:345 Gopherize yourself.
• gophers star:50 random gopher graphics.
• gophers star:41 Gopher amigurumi toy pattern.

Meetups

• Basel Go Meetup
• Berlin Golang
• Brisbane Gophers
• Canberra Gophers
• Go Language NYC
• Go London User Group
• Go Toronto
• Go User Group Atlanta
• GoBridge, San Francisco, CA
• GoJakarta
• Golang Amsterdam
• Golang Argentina
• Golang Baltimore, MD
• Golang Bangalore
• Golang Belo Horizonte - Brazil
• Golang Boston
• Golang Bulgaria
• Golang Cardiff, UK
• Golang Copenhagen
• Golang DC, Arlington, VA
• Golang Dorset, UK
• 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 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)

Twitter

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

Websites

• Go Projects List of projects on the Go community wiki.
• awesome-awesomeness star:25246 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:15302 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:36 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:32995 Golang ebook intro how to build a web app with golang.
• 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.
• Go Cheat Sheet star:4261 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.
• Ethereum Development with Go star:511 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.
• 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:11497 Curated list of Go design patterns, recipes and idioms.
• Learn Go with TDD star:8738 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:865 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.
• Hackr.io Learn Go from the best online golang tutorials submitted & voted by the golang programming community.
• 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:1139 Intro to go for experienced programmers.
• Your basic Go Huge collection of tutorials and how to's.