# Awesome Go [![Build Status](https://travis-ci.org/avelino/awesome-go.svg?branch=master)](https://travis-ci.org/avelino/awesome-go) [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome) [![Join the chat at https://gitter.im/avelino/awesome-go](https://badges.gitter.im/avelino/awesome-go.svg)](https://gitter.im/avelino/awesome-go?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) A curated list of awesome Go frameworks, libraries and software. Inspired by [awesome-python](https://github.com/vinta/awesome-python). ### Contributing Please take a quick gander at the [contribution guidelines](https://github.com/avelino/awesome-go/blob/master/CONTRIBUTING.md) first. Thanks to all [contributors](https://github.com/avelino/awesome-go/graphs/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 #### *If you see a package or project here that is no longer maintained or is not a good fit, please submit a pull request to improve this file.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](#awesome-go) - [Audio & Music](#audiomusic) - [Authentication & OAuth](#authentication--oauth) - [Command Line](#command-line) - [Configuration](#configuration) - [Continuous Integration](#continuous-integration) - [CSS Preprocessors](#css-preprocessors) - [Data Structures](#data-structures) - [Database](#database) - [Database Drivers](#database-drivers) - [Date & Time](#date--time) - [Distributed Systems](#distributed-systems) - [Email](#email) - [Embeddable Scripting Languages](#embeddable-scripting-languages) - [Financial](#financial) - [Forms](#forms) - [Game Development](#game-development) - [Generation & Generics](#generation--generics) - [Go Compilers](#go-compilers) - [Goroutines](#goroutines) - [GUI](#gui) - [Hardware](#hardware) - [Images](#images) - [Logging](#logging) - [Machine Learning](#machine-learning) - [Messaging](#messaging) - [Miscellaneous](#miscellaneous) - [Natural Language Processing](#natural-language-processing) - [Networking](#networking) - [OpenGL](#opengl) - [ORM](#orm) - [Package Management](#package-management) - [Query Language](#query-language) - [Resource Embedding](#resource-embedding) - [Science and Data Analysis](#science-and-data-analysis) - [Security](#security) - [Serialization](#serialization) - [Template Engines](#template-engines) - [Testing](#testing) - [Text Processing](#text-processing) - [Third-party APIs](#third-party-apis) - [Utilities](#utilities) - [Validation](#validation) - [Version Control](#version-control) - [Video](#video) - [Web Frameworks](#web-frameworks) - [Middlewares](#middlewares) - [Actual middlewares](#actual-middlewares) - [Libraries for creating HTTP middlewares](#libraries-for-creating-http-middlewares) - [Windows](#windows) - [Tools](#tools) - [Code Analysis](#code-analysis) - [Editor Plugins](#editor-plugins) - [Go Tools](#go-tools) - [Software Packages](#software-packages) - [DevOps Tools](#devops-tools) - [Other Software](#other-software) - [Server Applications](#server-applications) - [Resources](#resources) - [Benchmarks](#benchmarks) - [Conferences](#conferences) - [E-Books](#e-books) - [Twitter](#twitter) - [Websites](#websites) - [Tutorials](#tutorials) ## Audio/Music *Libraries for manipulating audio.* * [flac](https://github.com/eaburns/flac) - A native Go FLAC decoder. * [go-sox](https://github.com/krig/go-sox) - libsox bindings for go. * [go_mediainfo](https://github.com/zhulik/go_mediainfo) - libmediainfo bindings for go. * [mp3](https://github.com/tcolgate/mp3) - A native Go MP# decoder. * [PortAudio](https://github.com/gordonklaus/portaudio) - Go bindings for the PortAudio audio I/O library. * [portmidi](https://github.com/rakyll/portmidi) - Go bindings for PortMidi. * [taglib](https://github.com/wtolson/go-taglib) - Go bindings for taglib. * [vorbis](https://github.com/mccoyst/vorbis) - A "native" Go Vorbis decoder (uses CGO, but has no dependencies). * [waveform](https://github.com/mdlayher/waveform) - Go package capable of generating waveform images from audio streams. ## Authentication & OAuth *Libraries for implementing authentications schemes.* * [Go-AWS-Auth](https://github.com/smartystreets/go-aws-auth) - AWS (Amazon Web Services) request signing library. * [go-jose](https://github.com/square/go-jose) - A fairly complete implementation of the JOSE working group's JSON Web Token, JSON Web Signatures, and JSON Web Encryption specs. * [go.auth](https://github.com/bradrydzewski/go.auth) - Authentication API for Go web applications. * [gologin](https://github.com/dghubble/gologin) - chainable handlers for login with OAuth1 and OAuth2 authentication providers. * [gorbac](https://github.com/mikespook/gorbac) - provides a lightweight role-based access control (RBAC) implementation in Golang. * [goth](https://github.com/markbates/goth) - provides a simple, clean, and idiomatic way to use OAuth and OAuth2. Handles multiple provides out of the box. * [httpauth](https://github.com/goji/httpauth) - HTTP Authentication middleware. * [jwt-go](https://github.com/dgrijalva/jwt-go) - Golang implementation of JSON Web Tokens (JWT). * [oauth2](https://github.com/golang/oauth2) - Successor of goauth2. Generic OAuth 2.0 package that comes with JWT, Google APIs, Compute Engine and App Engine support. * [osin](https://github.com/RangelReale/osin) - Golang OAuth2 server library. * [permissions2](https://github.com/xyproto/permissions2) - Library for keeping track of users, login states and permissions. Uses secure cookies and bcrypt. * [yubigo](https://github.com/GeertJohan/yubigo) - a Yubikey client package that provides a simple API to integrate the Yubico Yubikey into a go application. ## Command Line ### Standard CLI *Libraries for building standard or basic Command Line applications* * [cli-init](https://github.com/tcnksm/gcli) - The easy way to start building Golang command line application. * [climax](http://github.com/tucnak/climax) - An alternative CLI with "human face", in spirit of Go command * [cobra](https://github.com/spf13/cobra) - A Commander for modern Go CLI interactions * [codegangsta/cli](https://github.com/codegangsta/cli) - A small package for building command line apps in Go. * [docopt.go](https://github.com/docopt/docopt.go) - A command-line arguments parser that will make you smile. * [go-flags](https://github.com/jessevdk/go-flags) - go command line option parser * [kingpin](https://github.com/alecthomas/kingpin) - A command line and flag parser supporting sub commands. * [liner](https://github.com/peterh/liner) - A Go readline-like library for command-line interfaces. * [mitchellh/cli](https://github.com/mitchellh/cli) - A Go library for implementing command-line interfaces. * [mow.cli](https://github.com/jawher/mow.cli) - A Go library for building CLI applications with sophisticated flag and argument parsing and validation. * [readline](https://github.com/chzyer/readline) - A pure golang implementation that provide most of features in GNU-Readline under MIT license. * [ukautz/clif](https://github.com/ukautz/clif) - A small command line interface framework. ### Advanced Console UIs *Libraries for building Console Applications and Console User Interfaces* * [chalk](https://github.com/ttacon/chalk) - Intuitive package for prettifying terminal/console output. * [color](https://github.com/fatih/color) - Versatile package for colored terminal output. * [colourize](https://github.com/TreyBastian/colourize) - Go library for ANSI colour text in terminals. * [go-colortext](https://github.com/daviddengcn/go-colortext) - Go library for color output in terminals. * [gocui](https://github.com/jroimartin/gocui) - Minimalist Go library aimed at creating Console User Interfaces. * [gommon/color](https://github.com/labstack/gommon/tree/master/color) - Style terminal text. * [termbox-go](https://github.com/nsf/termbox-go) - Termbox is a library for creating cross-platform text-based interfaces. * [termtables](https://github.com/apcera/termtables) - A Go port of the Ruby library [terminal-tables](https://github.com/tj/terminal-table) for simple ASCII table generation as well as providing markdown and HTML output * [termui](https://github.com/gizak/termui) - Go terminal dashboard based on **termbox-go** and inspired by [blessed-contrib](https://github.com/yaronn/blessed-contrib). * [uilive](https://github.com/gosuri/uilive) - A library for updating terminal output in realtime. * [uiprogress](https://github.com/gosuri/uiprogress) - A flexible library to render progress bars in terminal applications. * [uitable](https://github.com/gosuri/uitable) - A library to improve readability in terminal apps using tabular data. ## Configuration *Libraries for configuration parsing* * [config](https://github.com/olebedev/config) - JSON or YAML configuration wrapper with environment variables and flags parsing. * [configure](https://github.com/paked/configure) - Provides configuration through multiple sources, including JSON, flags and environment variables. * [env](https://github.com/caarlos0/env) - Parse environment variables to Go structs (with defaults). * [envcfg](https://github.com/tomazk/envcfg) - Un-marshaling environment variables to Go structs. * [envconf](https://github.com/ian-kent/envconf) - Configuration from environment * [envconfig](https://github.com/vrischmann/envconfig) - Read your configuration from environment variables. * [gcfg](https://github.com/go-gcfg/gcfg) - read INI-style configuration files into Go structs; supports user-defined types and subsections * [gofigure](https://github.com/ian-kent/gofigure) - Go application configuration made easy * [ini](https://github.com/go-ini/ini) - Go package for read and write INI files * [mini](https://github.com/FogCreek/mini) - A golang package for parsing ini-style configuration files * [store](https://github.com/tucnak/store) - A lightweight configuration manager for Go * [viper](https://github.com/spf13/viper) - Go configuration with fangs ## Continuous Integration *Tools for help with continuous integration* * [drone](https://github.com/drone/drone) - Drone is a Continuous Integration platform built on Docker, written in Go * [goveralls](https://github.com/mattn/goveralls) - Go integration for Coveralls.io continuous code coverage tracking system. * [overalls](https://github.com/go-playground/overalls) - Multi-Package go project coverprofile for tools like goveralls ## CSS Preprocessors *Libraries for preprocessing CSS files* * [c6](https://github.com/c9s/c6) - High performance SASS compatible-implementation compiler written in Go * [gcss](https://github.com/yosssi/gcss) - Pure Go CSS Preprocessor. * [go-libsass](https://github.com/wellington/go-libsass) - Go wrapper to the 100% Sass compatible libsass project. ## Data Structures *Generic datastructures and algorithms in Go.* * [bitset](https://github.com/willf/bitset) - Go package implementing bitsets. * [bloom](https://github.com/zhenjl/bloom) - Bloom filters implemented in Go. * [boomfilters](https://github.com/tylertreat/BoomFilters) - probabilistic data structures for processing continuous, unbounded streams * [cuckoofilter](https://github.com/seiflotfy/cuckoofilter) - Cuckoo filter: a good alternative to a counting bloom filter implemented in Go. * [encoding](https://github.com/zhenjl/encoding) - Integer Compression Libraries for Go. * [go-datastructures](https://github.com/Workiva/go-datastructures) - a collection of useful, performant, and thread-safe data structures * [go-geoindex](https://github.com/hailocab/go-geoindex) - In-memory geo index. * [golang-set](https://github.com/deckarep/golang-set) - Thread-Safe and Non-Thread-Safe high-performance sets for Go. * [goskiplist](https://github.com/ryszard/goskiplist) - A skip list implementation in Go. * [mafsa](https://github.com/smartystreets/mafsa) - MA-FSA implementation with Minimal Perfect Hashing * [skiplist](https://github.com/gansidui/skiplist) - Skiplist implementation in Go * [trie](https://github.com/derekparker/trie) - Trie implementation in Go * [ttlcache](https://github.com/diegobernardes/ttlcache) - An in-memory LRU string-interface{} map with expiration for golang * [willf/bloom](https://github.com/willf/bloom) - Go package implementing Bloom filters. ## Database *Databases implemented in Go.* * [bolt](https://github.com/boltdb/bolt) - A low-level key/value database for Go. * [cache2go](https://github.com/muesli/cache2go) - An in-memory key:value cache which supports automatic invalidation based on timeouts. * [cockroach](https://github.com/cockroachdb/cockroach) - A Scalable, Geo-Replicated, Transactional Datastore * [couchcache](https://github.com/codingsince1985/couchcache) - A RESTful caching micro-service backed by Couchbase server. * [diskv](https://github.com/peterbourgon/diskv) - A home-grown disk-backed key-value store. * [forestdb](https://github.com/couchbase/goforestdb) - Go bindings for ForestDB. * [GCache](https://github.com/bluele/gcache) - Cache library with support for expirable Cache, LFU, LRU and ARC. * [go-cache](https://github.com/pmylund/go-cache) - An in-memory key:value store/cache (similar to Memcached) library for Go, suitable for single-machine applications. * [goleveldb](https://github.com/syndtr/goleveldb) - An implementation of the [LevelDB](https://github.com/google/leveldb) key/value database in the Go. * [groupcache](https://github.com/golang/groupcache) - Groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases. * [influxdb](https://github.com/influxdb/influxdb) - Scalable datastore for metrics, events, and real-time analytics * [ledisdb](https://github.com/siddontang/ledisdb) - Ledisdb is a high performance NoSQL like Redis based on LevelDB. * [levigo](https://github.com/jmhodges/levigo) - Levigo is a Go wrapper for LevelDB. * [prometheus](https://github.com/prometheus/prometheus) - Monitoring system and time series database. * [tidb](https://github.com/pingcap/tidb) - TiDB is a distributed SQL database. Inspired by the design of Google F1. * [tiedot](https://github.com/HouzuoGuo/tiedot) - Your NoSQL database powered by Golang. *Database tools.* * [go-mysql](https://github.com/siddontang/go-mysql) - A go toolset to handle MySQL protocol and replication. * [go-mysql-elasticsearch](https://github.com/siddontang/go-mysql-elasticsearch) - Sync your MySQL data into Elasticsearch automatically. * [goose](https://bitbucket.org/liamstask/goose) - Database migration tool. You can manage your database's evolution by creating incremental SQL or Go scripts. * [kingshard](https://github.com/flike/kingshard) - kingshard is a high performance proxy for MySQL powered by Golang. * [migrate](https://github.com/mattes/migrate) - Database migration handling in Golang support MySQL,PostgreSQL,Cassandra and SQLite. * [myreplication](https://github.com/2tvenom/myreplication) - MySql binary log replication listener. Support statement and row based replication. * [orchestrator](https://github.com/outbrain/orchestrator) - MySQL replication topology manager & visualizer * [pgweb](https://github.com/sosedoff/pgweb) - A web-based PostgreSQL database browser * [pravasan](https://github.com/pravasan/pravasan) - Simple Migration tool - currently for MySQL but planning to support soon for Postgres, SQLite, MongoDB, etc., * [sql-migrate](https://github.com/rubenv/sql-migrate) - Database migration tool. Allows embedding migrations into the application using go-bindata. * [vitess](https://github.com/youtube/vitess) - vitess provides servers and tools which facilitate scaling of MySQL databases for large scale web services. *SQL query builder, libraries for building and using SQL.* * [dat](https://github.com/mgutz/dat) - Go Postgres Data Access Toolkit * [Dotsql](https://github.com/gchaincl/dotsql) - Go library that helps you keep sql files in one place and use it with ease. * [goqu](https://github.com/doug-martin/goqu) - An idiomatic SQL builder and query library. * [ozzo-dbx](https://github.com/go-ozzo/ozzo-dbx) - Powerful data retrieval methods as well as DB-agnostic query building capabilities. * [scaneo](https://github.com/variadico/scaneo) - Generate Go code to convert database rows into arbitrary structs. * [sqrl](https://github.com/elgris/sqrl) - SQL query builder, fork of Squirrel with improved performance. * [Squirrel](https://github.com/Masterminds/squirrel) - Go library that helps you build SQL queries. ## Database Drivers *Libraries for connecting and operating databases.* * Relational Databases * [firebirdsql](https://github.com/nakagami/firebirdsql) - Firebird RDBMS SQL driver for Go * [go-adodb](https://github.com/mattn/go-adodb) - Microsoft ActiveX Object DataBase driver for go that using database/sql. * [go-bqstreamer](https://github.com/rounds/go-bqstreamer) - BigQuery fast and concurrent stream insert. * [go-mssqldb](https://github.com/denisenkom/go-mssqldb) - Microsoft MSSQL driver prototype in go language. * [go-oci8](https://github.com/mattn/go-oci8) - Oracle driver for go that using database/sql. * [go-sql-driver/mysql](https://github.com/go-sql-driver/mysql) - MySQL driver for Go. * [go-sqlite3](https://github.com/mattn/go-sqlite3) - SQLite3 driver for go that using database/sql. * [gofreetds](https://github.com/minus5/gofreetds) Microsoft MSSQL driver. Go wrapper over [FreeTDS](http://www.freetds.org). * [pgx](https://github.com/jackc/pgx) - PostgreSQL driver supporting features beyond those exposed by database/sql. * [pq](https://github.com/lib/pq) - Pure Go Postgres driver for database/sql. * NoSQL Databases * [aerospike-client-go](https://github.com/aerospike/aerospike-client-go) - Aerospike client in Go language. * [arangolite](https://github.com/solher/arangolite) - Lightweight golang driver for ArangoDB. * [cayley](https://github.com/google/cayley) - A graph database with support for multiple backends. * [dynago](https://github.com/underarmour/dynago) - Dynago is a principle of least surprise client for DynamoDB * [go-couchbase](https://github.com/couchbase/go-couchbase) - Couchbase client in Go * [go-couchdb](https://github.com/fjl/go-couchdb) - Yet another CouchDB HTTP API wrapper for Go * [gocb](https://github.com/couchbase/gocb) - Official Couchbase Go SDK * [gocql](http://gocql.github.io) - A Go language driver for Apache Cassandra. * [gomemcache](https://github.com/bradfitz/gomemcache/) - memcache client library for the Go programming language. * [gorethink](https://github.com/dancannon/gorethink) - Go language driver for RethinkDB * [mgo](https://godoc.org/labix.org/v2/mgo) - 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. * [neo4j](https://github.com/cihangir/neo4j) - Neo4j Rest API Bindings for Golang * [Neo4j-GO](https://github.com/davemeehan/Neo4j-GO) - Neo4j REST Client in golang. * [neoism](https://github.com/jmcvetta/neoism) - Neo4j client for Golang * [redigo](https://github.com/garyburd/redigo) - Redigo is a Go client for the Redis database. * [redis](https://github.com/go-redis/redis) - Redis client for Golang * [redis](https://github.com/hoisie/redis) - A simple, powerful Redis client for Go. * [redis](https://github.com/bsm/redeo) - Redis-protocol compatible TCP servers/services. * Search and Analytic Databases * [bleve](https://github.com/blevesearch/bleve) - A modern text indexing library for go. * [elastic](https://github.com/olivere/elastic) - Elasticsearch client for Google Go. * [elastigo](https://github.com/mattbaird/elastigo) - A Elasticsearch client library. * [goes](https://github.com/belogik/goes) - A library to interact with Elasticsearch. * [skizze](https://github.com/seiflotfy/skizze) - A probabilistic data-structures service and storage. ## Date & Time *Libraries for working with dates and times.* * [goweek](https://github.com/grsmv/goweek) - Library for working with week entity in golang. * [now](https://github.com/jinzhu/now) - Now is a time toolkit for golang. * [timeutil](https://github.com/leekchan/timeutil) - Useful extensions (Timedelta, Strftime, ...) to the golang's time package. ## Distributed Systems *Packages that help with building Distributed Systems.* * [celeriac](https://github.com/svcavallar/celeriac.v1) - A library for adding support for interacting and monitoring Celery workers, tasks and events in Go * [flowgraph](https://github.com/vectaport/flowgraph) - MPI-style ready-send coordination layer. * [glow](https://github.com/chrislusf/glow) - Easy-to-Use scalable distributed big data processing, Map-Reduce, DAG execution, all in pure Go. * [go-jump](https://github.com/dgryski/go-jump) - A port of Google's "Jump" Consistent Hash function. * [gorpc](https://github.com/valyala/gorpc) - Simple, fast and scalable RPC library for high load. * [grpc-go](https://github.com/grpc/grpc-go) - The Go language implementation of gRPC. HTTP/2 based RPC. * [micro](https://github.com/micro/micro) - A pluggable microservice toolkit and distributed systems platform. * [raft](https://github.com/hashicorp/raft) - Golang implementation of the Raft consensus protocol, by HashiCorp. * [torrent](https://github.com/anacrolix/torrent) - BitTorrent client package. * [dht](https://godoc.org/github.com/anacrolix/torrent/dht) - BitTorrent Kademlia DHT implementation. * [go-peerflix](https://github.com/Sioro-Neoku/go-peerflix) - Video streaming torrent client. ## Email *Libraries that implement email creation and sending* * [douceur](https://github.com/aymerick/douceur) - CSS inliner for your HTML emails. * [email](https://github.com/jordan-wright/email) - A robust and flexible email library for Go. * [go-dkim](https://github.com/toorop/go-dkim) - A DKIM library, to sign & verify email. * [Gomail](https://github.com/go-gomail/gomail/) - Gomail is a very simple and powerful package to send emails. * [Hectane](https://github.com/hectane/hectane) - Lightweight SMTP client providing an HTTP API * [MailHog](https://github.com/mailhog/MailHog) - Email and SMTP testing with web and API interface * [SendGrid](https://github.com/sendgrid/sendgrid-go) - SendGrid's Go library for sending email * [smtp](https://github.com/mailhog/smtp) - SMTP server protocol state machine ## Embeddable Scripting Languages *Embedding other languages inside your go code* * [agora](https://github.com/PuerkitoBio/agora) - Dynamically typed, embeddable programming language in Go * [anko](https://github.com/mattn/anko) - Scriptable interpreter written in Go * [gisp](https://github.com/jcla1/gisp) - Simple LISP in Go * [go-duktape](https://github.com/olebedev/go-duktape) - Duktape JavaScript engine bindings for Go * [go-lua](https://github.com/Shopify/go-lua) - A port of the Lua 5.2 VM to pure Go * [go-php](https://github.com/deuill/go-php) - PHP bindings for Go * [go-python](https://github.com/sbinet/go-python) - naive go bindings to the CPython C-API * [golua](https://github.com/aarzilli/golua) - Go bindings for Lua C API * [gopher-lua](https://github.com/yuin/gopher-lua) - a Lua 5.1 VM and compiler written in Go * [otto](https://github.com/robertkrimen/otto) - A JavaScript interpreter written in Go * [purl](https://github.com/ian-kent/purl) - Perl 5.18.2 embedded in Go ## Financial *Packages for accounting and finance* * [accounting](https://github.com/leekchan/accounting) - money and currency formatting for golang * [decimal](https://github.com/shopspring/decimal) - Arbitrary-precision fixed-point decimal numbers ## Forms *Libraries for working with forms.* * [bind](https://github.com/robfig/bind) - Bind form data to any Go values * [binding](https://github.com/mholt/binding) - Binds form and JSON data from net/http Request to struct. * [formam](https://github.com/monoculum/formam) - decode form's values into a struct. * [forms](https://github.com/albrow/forms) - A framework-agnostic library for parsing and validating form/JSON data which supports multipart forms and files. * [gorilla/csrf](https://github.com/gorilla/csrf) - CSRF protection for Go web applications & services. * [nosurf](https://github.com/justinas/nosurf) - A CSRF protection middleware for Go. ## Game Development *Awesome game development libraries.* * [engi](https://github.com/paked/engi) - A cross-platform game engine following the Entity Component System design pattern * [GarageEngine](https://github.com/vova616/GarageEngine) - 2d game engine written in Go working on OpenGL. * [glop](https://github.com/runningwild/glop) - Glop (Game Library Of Power) is a fairly simple cross-platform game library. * [go-astar](https://github.com/beefsack/go-astar) - Go implementation of the A\* path finding algorithm * [go-collada](https://github.com/GlenKelley/go-collada) - Go package for working with the Collada file format. * [go-sdl2](https://github.com/veandco/go-sdl2) - Go bindings for the [Simple DirectMedia Layer](https://www.libsdl.org/). * [go3d](https://github.com/ungerik/go3d) - A performance oriented 2D/3D math package for Go * [gonet](https://github.com/xtaci/gonet) - A game server skeleton implemented with golang * [Leaf](https://github.com/name5566/leaf) - A lightweight game server framework * [termloop](https://github.com/JoelOtter/termloop) - Terminal-based game engine for Go, built on top of Termbox ## Generation & Generics *Tools to enhance the language with features like generics via code generation* * [gen](https://github.com/clipperhouse/gen) - Code generation tool for ‘generics’-like functionality. * [go-linq](https://github.com/ahmetalpbalkan/go-linq) - .NET LINQ-like query methods for Go. * [interfaces](https://github.com/rjeczalik/interfaces) - Command line tool for generating interface definitions. * [pkgreflect](https://github.com/ungerik/pkgreflect) - A Go preprocessor for package scoped reflection. ## Go Compilers *Tools for compiling Go to other languages* * [gopherjs](https://github.com/gopherjs/gopherjs) - A compiler from Go to JavaScript. * [llgo](https://github.com/go-llvm/llgo) - LLVM-based compiler for Go. * [tardisgo](https://github.com/tardisgo/tardisgo) - Golang to Haxe to CPP/CSharp/Java/JavaScript transpiler. ## Goroutines *Tools for managing and working with Goroutines* * [grpool](https://github.com/ivpusic/grpool) - Lightweight Goroutine pool. * [pool](https://github.com/go-playground/pool) - Go consumer goroutine pool for easy goroutine handling + time saving. * [tunny](https://github.com/Jeffail/tunny) - A goroutine pool for golang. ## GUI *Libraries for building GUI Applications* * [go-gtk](http://mattn.github.io/go-gtk/) - Go bindings for GTK * [go-qml](https://github.com/go-qml/qml) - QML support for the Go language * [goqt](https://github.com/visualfc/goqt) - Golang bindings to the Qt cross-platform application framework. * [gosx-notifier](https://github.com/deckarep/gosx-notifier) - OSX Desktop Notifications library for Go. * [gotk3](https://github.com/gotk3/gotk3) - Go bindings for GTK3. * [sciter](https://github.com/oskca/sciter) - Go bindings for Sciter: the Embeddable HTML/CSS/script engine for modern desktop UI development. * [systray](https://github.com/getlantern/systray) - Cross platform Go library to place an icon and menu in the notification area * [trayhost](https://github.com/shurcooL/trayhost) - Cross-platform Go library to place an icon in the host operating system's taskbar. * [ui](https://github.com/andlabs/ui) - Platform-native GUI library for Go. * [walk](https://github.com/lxn/walk) - Windows application library kit for Go. ## Hardware *Libraries, tools, and tutorials for interacting with hardware.* See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive list. ## Images *Libraries for manipulating images.* * [bimg](https://github.com/h2non/bimg) - Small package for fast and efficient image processing using libvips * [geopattern](https://github.com/pravj/geopattern) - Create beautiful generative image patterns from a string. * [gift](https://github.com/disintegration/gift) - Package of image processing filters. * [go-cairo](https://github.com/ungerik/go-cairo) - Go binding for the cairo graphics library. * [go-gd](https://github.com/bolknote/go-gd) - Go binding for GD library * [go-nude](https://github.com/koyachi/go-nude) - Nudity detection with Go. * [go-opencv](https://github.com/lazywei/go-opencv) - Go bindings for OpenCV. * [go-webcolors](https://github.com/jyotiska/go-webcolors) - Port of webcolors library from Python to Go. * [imagick](https://github.com/gographics/imagick) - Go binding to ImageMagick's MagickWand C API. * [imaginary](https://github.com/h2non/imaginary) - Fast and simple HTTP microservice for image resizing * [imaging](https://github.com/disintegration/imaging) - Simple Go image processing package. * [img](https://github.com/hawx/img) - A selection of image manipulation tools. * [mpo](https://github.com/donatj/mpo) - A decoder and conversion tool for MPO 3D Photos. * [picfit](https://github.com/thoas/picfit) - An image resizing server written in Go * [resize](https://github.com/nfnt/resize) - Image resizing for the Go with common interpolation methods. * [rez](https://github.com/bamiaux/rez) - Image resizing in pure Go and SIMD. * [smartcrop](https://github.com/muesli/smartcrop) - Finds good crops for arbitrary images and crop sizes * [svgo](https://github.com/ajstarks/svgo) - Go Language Library for SVG generation. * [tga](https://github.com/ftrvxmtrx/tga) - Package tga is a TARGA image format decoder/encoder. ## Logging *Libraries for generating and working with log files.* * [glog](https://github.com/golang/glog) - Leveled execution logs for Go. * [go-log](https://github.com/siddontang/go-log) - Log lib supports level and multi handlers. * [go-log](https://github.com/ian-kent/go-log) - A log4j implementation in Go. * [go-log-interface](https://github.com/ventu-io/go-log-interface) - A generic leveled log interface to adopt any logging framework and a default facade for Go stdlib log.Logger. * [go-logger](https://github.com/apsdehal/go-logger) - Simple logger of Go Programs, with level handlers. * [gologger](https://github.com/sadlil/gologger) - Simple easy to use log lib for go, logs in Colored Cosole, Simple Console, File or Elasticsearch. * [log](https://github.com/apex/log) - Structured logging package for Go. * [log-voyage](https://github.com/firstrow/logvoyage) - Full-featured logging saas written in golang. * [log15](https://github.com/inconshreveable/log15) - Simple, powerful logging for Go * [logex](https://github.com/chzyer/logex) - An golang log lib, supports tracking and level, wrap by standard log lib * [logger](https://github.com/azer/logger) - Minimalistic logging library for Go. * [logrus](https://github.com/Sirupsen/logrus) - a structured logger for Go. * [logrusly](https://github.com/sebest/logrusly) - [logrus](https://github.com/sirupsen/logrus) plug-in to send errors to a [Loggly](https://www.loggly.com/). * [logutils](https://github.com/hashicorp/logutils) - Utilities for slightly better logging in Go (Golang) extending the standard logger. * [logxi](https://github.com/mgutz/logxi) - A 12-factor app logger that is fast and makes you happy. * [lumberjack](https://github.com/natefinch/lumberjack) - Simple rolling logger, implements io.WriteCloser. * [mlog](https://github.com/jbrodriguez/mlog) - A simple logging module for go, with 5 levels, an optional rotating logfile feature and stdout/stderr output. * [seelog](https://github.com/cihub/seelog) - logging functionality with flexible dispatching, filtering, and formatting. * [stdlog](https://github.com/alexcesaro/log) - Stdlog is an object-oriented library providing leveled logging. It is very useful for cron jobs. * [tail](https://github.com/hpcloud/tail) - A Go package striving to emulate the features of the BSD tail program. * [xlog](https://github.com/rs/xlog) - A structured logger for `net/context` aware HTTP handlers with flexible dispatching. ## Machine Learning *Libraries for Machine Learning.* * [bayesian](https://github.com/jbrukh/bayesian) - Naive Bayesian Classification for Golang. * [CloudForest](https://github.com/ryanbressler/CloudForest) - Fast, flexible, multi-threaded ensembles of decision trees for machine learning in pure Go. * [go-fann](https://github.com/white-pony/go-fann) - Go bindings for Fast Artificial Neural Networks(FANN) library. * [go-galib](https://github.com/thoj/go-galib) - Genetic Algorithms library written in Go / golang * [go-pr](https://github.com/daviddengcn/go-pr) - Pattern recognition package in Go lang. * [gobrain](https://github.com/goml/gobrain) - Neural Networks written in go * [godist](https://github.com/e-dard/godist) - Various probability distributions, and associated methods. * [goga](https://github.com/tomcraven/goga) - Genetic algorithm library for Go. * [GoLearn](https://github.com/sjwhitworth/golearn) - General Machine Learning library for Go. * [golinear](https://github.com/danieldk/golinear) - liblinear bindings for Go * [goml](https://github.com/cdipaolo/goml) - On-line Machine Learning in Go * [goRecommend](https://github.com/timkaye11/goRecommend) - Recommendation Algorithms library written in Go. * [libsvm](https://github.com/datastream/libsvm) - libsvm golang version derived work based on LIBSVM 3.14. * [mlgo](https://code.google.com/p/mlgo/) - This project aims to provide minimalistic machine learning algorithms in Go. * [neural-go](https://github.com/schuyler/neural-go) - A multilayer perceptron network implemented in Go, with training via backpropagation. * [probab](https://code.google.com/p/probab/) - Probability distribution functions. Bayesian inference. Written in pure Go. * [regommend](https://github.com/muesli/regommend) - Recommendation & collaborative filtering engine * [shield](https://github.com/eaigner/shield) - Bayesian text classifier with flexible tokenizers and storage backends for Go ## Messaging *Libraries that implement messaging systems* * [dbus](https://github.com/godbus/dbus) - Native Go bindings for D-Bus. * [emitter](https://github.com/olebedev/emitter) - Emits events using Go way, with wildcard, predicates, cancellation possibilities and many other good wins. * [EventBus](https://github.com/asaskevich/EventBus) - The lightweight event bus with async compatibility. * [go-longpoll](https://github.com/ventu-io/go-longpoll) - PubSub with long polling. * [go-notify](https://github.com/TheCreeper/go-notify) - Native implementation of the freedesktop notification spec. * [go-nsq](https://github.com/nsqio/go-nsq) - the official Go package for NSQ * [gopush-cluster](https://github.com/Terry-Mao/gopush-cluster) - gopush-cluster is a go push server cluster. * [machinery](https://github.com/RichardKnop/machinery) - An asynchronous task queue/job queue based on distributed message passing. * [NATS](https://github.com/nats-io/nats) - A lightweight and highly performant publish-subscribe and distributed queueing messaging system. * [oplog](https://github.com/dailymotion/oplog) - A generic oplog/replication system for REST APIs * [pubsub](https://github.com/tuxychandru/pubsub) - A simple pubsub package for go. * [sarama](https://github.com/Shopify/sarama) - A Go library for Apache Kafka. * [Uniqush-Push](https://github.com/uniqush/uniqush-push) - A redis backed unified push service for server-side notifications to mobile devices. * [zmq4](https://github.com/pebbe/zmq4) - A Go interface to ZeroMQ version 4. Also available for [version 3](https://github.com/pebbe/zmq3) and [version 2](https://github.com/pebbe/zmq2). ## Miscellaneous *These libraries were placed here because none of the other categories seemed to fit* * [autoflags](https://github.com/artyom/autoflags) - Go package to automatically define command line flags from struct fields. * [browscap_go](https://github.com/digitalcrab/browscap_go) - GoLang Library for [Browser Capabilities Project](http://browscap.org/). * [datacounter](https://github.com/miolini/datacounter) - Go counters for readers/writer/http.ResponseWriter. * [go-chat-bot](https://github.com/go-chat-bot/bot) - IRC, Slack & Telegram bot written in Go. * [go-multierror](https://github.com/hashicorp/go-multierror) - A Go (golang) package for representing a list of errors as a single error. * [go-shortid](https://github.com/ventu-io/go-shortid) - Distributed generation of super short, unique, non-sequential, URL friendly IDs. * [gopsutil](https://github.com/shirou/gopsutil) - A cross-platform library for retrieving process and system utilization(CPU, Memory, Disks, etc). * [gosms](https://github.com/haxpax/gosms) - Your own local SMS gateway in Go that can be used to send SMS * [jobs](https://github.com/albrow/jobs) - A persistent and flexible background jobs library. * [margelet](https://github.com/zhulik/margelet) - A framework for building Telegram bots. * [notify](https://github.com/rjeczalik/notify) - File system event notification library with simple API, similar to os/signal. * [stats](https://github.com/go-playground/stats) - Monitors Go MemStats + System stats such as Memory, Swap and CPU and sends via UDP anywhere you want for logging etc... * [xkg](https://github.com/go-xkg/xkg) - X Keyboard Grabber * [xstrings](https://github.com/huandu/xstrings) - A collection of useful string functions ported from other languages. ## Natural Language Processing *Libraries for working with human languages.* * [dpar](https://github.com/danieldk/dpar/) - Transition-based statistical dependency parser. * [go-eco](https://code.google.com/p/go-eco/) - Similarity, dissimilarity and distance matrices; diversity, equitability and inequality measures; species richness estimators; coenocline models. * [go-i18n](https://github.com/nicksnyder/go-i18n/) - A package and an accompanying tool to work with localized text. * [go-nlp](https://github.com/nuance/go-nlp) - Utilities for working with discrete probability distributions and other tools useful for doing NLP work. * [go-stem](https://github.com/agonopol/go-stem) - Implementation of the porter stemming algorithm. * [go2vec](https://github.com/danieldk/go2vec) - Reader and utility functions for word2vec embeddings. * [golibstemmer](https://github.com/rjohnsondev/golibstemmer) - Go bindings for the snowball libstemmer library including porter 2 * [gounidecode](https://github.com/fiam/gounidecode) - Unicode transliterator (also known as unidecode) for Go * [icu](https://github.com/goodsign/icu) - Cgo binding for icu4c C library detection and conversion functions. Guaranteed compatibility with version 50.1. * [libtextcat](https://github.com/goodsign/libtextcat) - Cgo binding for libtextcat C library. Guaranteed compatibility with version 2.2. * [MMSEGO](https://github.com/awsong/MMSEGO) - This is a GO implementation of [MMSEG](http://technology.chtsai.org/mmseg/) which a Chinese word splitting algorithm. * [paicehusk](https://github.com/rookii/paicehusk) - Golang implementation of the Paice/Husk Stemming Algorithm * [porter](https://github.com/a2800276/porter) - This is a fairly straightforward port of Martin Porter's C implementation of the Porter stemming algorithm. * [porter2](https://github.com/zhenjl/porter2) - Really fast Porter 2 stemmer. * [segment](https://github.com/blevesearch/segment) - A Go library for performing Unicode Text Segmentation as described in [Unicode Standard Annex #29](http://www.unicode.org/reports/tr29/) * [sentences](https://github.com/neurosnap/sentences) - A sentence tokenizer: converts text into a list of sentences. * [snowball](https://github.com/goodsign/snowball) - Snowball stemmer port (cgo wrapper) for Go. Provides word stem extraction functionality [Snowball native](http://snowball.tartarus.org/). * [stemmer](https://github.com/dchest/stemmer) - Stemmer packages for Go programming language. Includes English and German stemmers. * [textcat](https://github.com/pebbe/textcat) - A Go package for n-gram based text categorization, with support for utf-8 and raw text ## Networking *Libraries for working with various layers of the network* * [arp](https://github.com/mdlayher/arp) - Package arp implements the ARP protocol, as described in RFC 826. * [buffstreams](https://github.com/stabbycutyou/buffstreams) - Streaming protocolbuffer data over TCP made easy * [canopus](https://github.com/zubairhamed/canopus) - CoAP Client/Server implementation (RFC 7252) * [dhcp6](https://github.com/mdlayher/dhcp6) - Package dhcp6 implements a DHCPv6 server, as described in RFC 3315. * [dns](https://github.com/miekg/dns) - Go library for working with DNS * [ethernet](https://github.com/mdlayher/ethernet) - Package ethernet implements marshaling and unmarshaling of IEEE 802.3 Ethernet II frames and IEEE 802.1Q VLAN tags. * [fasthttp](https://github.com/valyala/fasthttp) - Package fasthttp is a fast HTTP implementation for Go, up to 10 times faster than net/http * [ftp](https://github.com/jlaffaye/ftp) - Package ftp implements a FTP client as described in [RFC 959](http://tools.ietf.org/html/rfc959). * [go-getter](https://github.com/hashicorp/go-getter) - A Go library for downloading files or directories from various sources using a URL. * [go-stun](https://github.com/ccding/go-stun) - A go implementation of the STUN client (RFC 3489 and RFC 5389). * [golibwireshark](https://github.com/sunwxg/golibwireshark) - Package golibwireshark use libwireshark library to decode pcap file and analyse dissection data. * [gopacket](https://github.com/google/gopacket) - A Go library for packet processing with libpcap bindings * [gopcap](https://github.com/akrennmair/gopcap) - A Go wrapper for libpcap * [goshark](https://github.com/sunwxg/goshark) - Package goshark use tshark to decode IP packet and create data struct to analyse packet. * [gosnmp](https://github.com/soniah/gosnmp) - Native Go library for performing SNMP actions * [gotcp](https://github.com/gansidui/gotcp) - A Go package for quickly writing tcp applications * [graval](https://github.com/koofr/graval) - An experimental FTP server framework. * [linkio](https://github.com/ian-kent/linkio) - Network link speed simulation for Reader/Writer interfaces * [mdns](https://github.com/hashicorp/mdns) - Simple mDNS (Multicast DNS) client/server library in Golang * [mqttPaho](https://eclipse.org/paho/clients/golang/) - The Paho Go Client provides an MQTT client library for connection to MQTT brokers via TCP, TLS or WebSockets. * [portproxy](https://github.com/aybabtme/portproxy) - Simple TCP proxy which adds CORS support to API's which don't support it. * [raw](https://github.com/mdlayher/raw) - Package raw enables reading and writing data at the device driver level for a network interface. * [sftp](https://github.com/pkg/sftp) - Package sftp implements the SSH File Transfer Protocol as described in https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt. * [sslb](https://github.com/eduardonunesp/sslb) - It's a Super Simples Load Balancer, just a little project to achieve some kind of performance. * [tcp_server](https://github.com/firstrow/tcp_server) - A Go library for building tcp servers faster. * [utp](https://github.com/anacrolix/utp) - Go uTP micro transport protocol implementation. ## OpenGL *Libraries for using OpenGL in Go.* * [gl](https://github.com/go-gl/gl) - Go bindings for OpenGL (generated via glow). * [glfw](https://github.com/go-gl/glfw) - Go bindings for GLFW 3. * [goxjs/gl](https://github.com/goxjs/gl) - Go cross-platform OpenGL bindings (OS X, Linux, Windows, browsers, iOS, Android). * [goxjs/glfw](https://github.com/goxjs/glfw) - Go cross-platform glfw library for creating an OpenGL context and receiving events. * [mathgl](https://github.com/go-gl/mathgl) - Pure Go math package specialized for 3D math, with inspiration from GLM. ## ORM *Libraries that implement Object-Relational Mapping or datamapping techniques.* * [beedb](https://github.com/astaxie/beedb) - A go ORM,support database/sql interface，pq/mysql/sqlite * [beego orm](https://github.com/astaxie/beego/tree/master/orm) - A powerful orm framework for go. * [go-store](https://github.com/gosuri/go-store) - A simple and fast Redis backed key-value store library for Go. * [gomodel](https://github.com/cosiner/gomodel) - A lightweight, fast, orm-like library helps interactive with database. * [GORM](https://github.com/jinzhu/gorm) - The fantastic ORM library for Golang, aims to be developer friendly. * [gorp](https://github.com/go-gorp/gorp) - Go Relational Persistence, ORM-ish library for Go. * [QBS](https://github.com/coocood/qbs) - Stands for Query By Struct. A Go ORM. * [upper.io/db](https://github.com/upper/db) - Single interface for interacting with different data sources through the use of adapters that wrap mature database drivers. * [Xorm](https://github.com/go-xorm/xorm) - Simple and powerful ORM for Go. * [Zoom](https://github.com/albrow/zoom) - A blazing-fast datastore and querying engine built on Redis. ## Package Management *Libraries for package and dependency management.* * [gigo](https://github.com/LyricalSecurity/gigo) - PIP-like dependency tool for golang, with support for private repositories and hashes. * [glide](https://github.com/Masterminds/glide) - Manage your golang vendor and vendored packages with ease. Inspired by tools like Maven, Bundler, and Pip. * [godep](https://github.com/tools/godep) - dependency tool for go, godep helps build packages reproducibly by fixing their dependencies. * [gom](https://github.com/mattn/gom) - Go Manager - bundle for go. * [goop](https://github.com/nitrous-io/goop) - A simple dependency manager for Go (golang), inspired by Bundler. * [gopm](https://github.com/gpmgo/gopm) - Go Package Manager * [gpm](https://github.com/pote/gpm) - Barebones dependency manager for Go. * [johnny-deps](https://github.com/VividCortex/johnny-deps) - Minimal dependency version using Git * [nut](https://github.com/jingweno/nut) - Vendor Go dependencies * [VenGO](https://github.com/DamnWidget/VenGO) - create and manage exportable isolated go virtual environments ## Query Language * [graphql](https://github.com/tmc/graphql) - graphql parser + utilities. * [graphql](https://github.com/sevki/graphql) - GraphQL implementation in go. * [graphql-go](https://github.com/chris-ramon/graphql-go) - An implementation of GraphQL for Go. * [jsonql](https://github.com/elgs/jsonql) - JSON query expression library in Golang. ## Resource Embedding * [go-bindata](https://github.com/jteeuwen/go-bindata) - Package that converts any file into managable Go source code. * [go-embed](https://github.com/pyros2097/go-embed) - Generates go code to embed resource files into your library or executable * [go-resources](https://github.com/omeid/go-resources) - Unfancy resources embedding with Go. * [go.rice](https://github.com/GeertJohan/go.rice) - go.rice is a Go package that makes working with resources such as html,js,css,images and templates very easy. * [statics](https://github.com/go-playground/statics) - Embeds static resources into go files for single binary compilation + works with http.FileSystem + symlinks. * [vfsgen](https://github.com/shurcooL/vfsgen) - Generates a vfsdata.go file that statically implements the given virtual filesystem. ## Science and Data Analysis *Libraries for scientific computing and data analyzing.* * [blas](https://github.com/ziutek/blas) - Implementation of BLAS (Basic Linear Algebra Subprograms) * [chart](https://github.com/vdobler/chart) - Simple Chart Plotting library for Go. Supports many graphs types. * [evaler](https://github.com/soniah/evaler) - A simple floating point arithmetic expression evaluator * [ewma](https://github.com/VividCortex/ewma) - Exponentially-weighted moving averages * [geom](https://github.com/skelterjohn/geom) - 2D geometry for golang * [go-dsp](https://github.com/mjibson/go-dsp) - Digital Signal Processing for Go * [go-fn](https://code.google.com/p/go-fn/) - Mathematical functions written in Go language, that are not covered by math pkg * [go-gt](https://code.google.com/p/go-gt/) - Graph theory algorithms written in "Go" language * [go.matrix](https://github.com/skelterjohn/go.matrix) - linear algebra for go (has been stalled) * [gocomplex](https://code.google.com/p/gocomplex/) - A complex number library for the Go programming language. * [gofrac](https://github.com/anschelsc/gofrac) - A (goinstallable) fractions library for go with support for basic arithmetic. * [gohistogram](https://github.com/VividCortex/gohistogram) - Approximate histograms for data streams * [gonum/mat64](https://github.com/gonum/matrix) - The general purpose package for matrix computation. Package mat64 provides basic linear algebra operations for float64 matrices. * [gonum/plot](https://github.com/gonum/plot) - gonum/plot provides an API for building and drawing plots in Go. * [goraph](https://github.com/gyuho/goraph) - A pure Go graph theory library(data structure, algorith visualization) * [gostat](https://code.google.com/p/gostat/) - A statistics library for the go language * [mudlark-go](https://code.google.com/p/mudlark-go-pkgs/) - A collection of packages providing (hopefully) useful code for use in software using Google's Go programming language. * [pagerank](https://github.com/alixaxel/pagerank) - Weighted PageRank algorithm implemented in Go * [stats](https://github.com/montanaflynn/stats) - A statistics package with common functions missing from the Golang standard library. * [streamtools](https://github.com/nytlabs/streamtools) - general purpose, graphical tool for dealing with streams of data. * [vectormath](https://github.com/spate/vectormath) - Vectormath for Go, an adaptation of the scalar C functions from Sony's Vector Math library, as found in the Bullet-2.79 source code. (currently inactive) ## Security *Libraries that are used to help make your application more secure.* * [acmetool](https://github.com/hlandau/acme) — ACME (Let's Encrypt) client tool with automatic renewal. * [BadActor](https://github.com/jaredfolkins/badactor) - An in-memory, application-driven jailer built in the spirit of fail2ban * [go-yara](https://github.com/hillu/go-yara) - Go Bindings for [YARA](https://github.com/plusvic/yara), the "pattern matching swiss knife for malware researchers (and everyone else)" * [lego](https://github.com/xenolf/lego) - Pure Go ACME client library and CLI tool (for use with Let's Encrypt) * [passlib](https://github.com/hlandau/passlib) - Futureproof password hashing library. * [simple-scrypt](https://github.com/elithrar/simple-scrypt) - an scrypt package with a simple, obvious API and automatic cost calibration built-in. ## Serialization *Libraries and tools for binary serialization* * [go-capnproto](https://github.com/glycerine/go-capnproto) - Cap'n Proto library and parser for go * [bambam](https://github.com/glycerine/bambam) - generator for Cap'n Proto schemas from go. * [go-codec](https://github.com/ugorji/go) - High Performance, feature-Rich, idiomatic encode, decode and rpc library for msgpack, cbor and json, with runtime-based OR code-generation support * [gogoprotobuf](https://github.com/gogo/protobuf) - Protocol Buffers for Go with Gadgets * [goprotobuf](https://github.com/golang/protobuf) - Go support, in the form of a library and protocol compiler plugin, for Google's protocol buffers. * [mapstructure](https://github.com/mitchellh/mapstructure) - Go library for decoding generic map values into native Go structures. * [php_session_decoder](https://github.com/yvasiyarov/php_session_decoder) - GoLang library for working with PHP session format and PHP Serialize/Unserialize functions * [structomap](https://github.com/tuvistavie/structomap) - Library to easily and dynamically generate maps from static structures. ## Server Applications * [algernon](https://github.com/xyproto/algernon) - HTTP/2 web server with built-in support for Lua, Markdown, GCSS and Amber. * [Caddy](https://github.com/mholt/caddy) - Caddy is an alternative, HTTP/2 web server that's easy to configure and use. * [consul](https://www.consul.io/) - Consul is a tool for service discovery, monitoring and configuration. * [devd](https://github.com/cortesi/devd) - A local webserver for developers * [etcd](https://github.com/coreos/etcd) - A highly-available key value store for shared configuration and service discovery. * [minio](https://github.com/minio/minio) - Minio is a cloud storage server for Micro Services. * [minio-xl](https://github.com/minio/minio-xl) - Minio XL is a cloud storage server for Petascale Storage. * [nsq](http://nsq.io/) - A realtime distributed messaging platform * [yakvs](https://github.com/sci4me/yakvs) - A small, networked, in-memory key-value store. ## Template Engines *Libraries and tools for templating and lexing.* * [ace](https://github.com/yosssi/ace) - Ace is an HTML template engine for Go, inspired by Slim and Jade. Ace is a refinement of Gold. * [amber](https://github.com/eknkc/amber) - Amber is an elegant templating engine for Go Programming Language It is inspired from HAML and Jade. * [damsel](https://github.com/dskinner/damsel) - Markup language featuring html outlining via css-selectors, extensible via pkg html/template and others. * [ego](https://github.com/benbjohnson/ego) - A lightweight templating language that lets you write templates in Go. Templates are translated into Go and compiled. * [kasia.go](https://github.com/ziutek/kasia.go) - Templating system for HTML and other text documents - go implementation. * [mustache](https://github.com/hoisie/mustache) - A Go implementation of the Mustache template language. * [pongo2](https://github.com/flosch/pongo2) - A Django-like template-engine for Go. * [raymond](https://github.com/aymerick/raymond) - A complete handlebars implementation in Go. * [Razor](https://github.com/sipin/gorazor) - Razor view engine for Golang. * [Soy](https://github.com/robfig/soy) - Closure templates (aka Soy templates) for Go, following the [official spec](https://developers.google.com/closure/templates/) ## Testing *Libraries for testing codebases and generating test data.* * Testing Frameworks * [assert](https://github.com/go-playground/assert) - Basic Assertion Library used along side native go testing, with building blocks for custom assertions * [assert](https://github.com/bmizerany/assert) - Asserts to Go testing * [bro](https://github.com/marioidival/bro) - Watch files in directory and run tests for them * [frisby](https://github.com/verdverm/frisby) - a REST API testing framework * [ginkgo](http://onsi.github.io/ginkgo/) - BDD Testing Framework for Go * [go-mutesting](https://github.com/zimmski/go-mutesting) - Mutation testing for Go source code * [goblin](https://github.com/franela/goblin) - Mocha like testing framework fo Go * [gocheck](http://labix.org/gocheck) - A more advanced testing framework alternative to gotest. * [GoConvey](https://github.com/smartystreets/goconvey/) - BDD-style framework with web UI and live reload * [godog](https://github.com/DATA-DOG/godog) - Cucumber or Behat like BDD framework for Go. * [gomega](http://onsi.github.io/gomega/) - Rspec like matcher/assertion library. * [GoSpec](https://github.com/orfjackal/gospec) - BDD-style testing framework for the Go programming language. * [gospecify](https://github.com/stesla/gospecify) - This provides a BDD syntax for testing your Go code. It should be familiar to anybody who has used libraries such as rspec. * [Hamcrest](https://github.com/rdrdr/hamcrest) - fluent framework for declarative Matcher objects that, when applied to input values, produce self-describing results. * [restit](https://github.com/yookoala/restit) - A Go micro framework to help writing RESTful API integration test. * [Testify](https://github.com/stretchr/testify) - A sacred extension to the standard go testing package. * Mock * [counterfeiter](https://github.com/maxbrunsfeld/counterfeiter) - Tool for generating self-contained mock objects * [go-sqlmock](https://github.com/DATA-DOG/go-sqlmock) - Mock SQL driver for testing database interactions * [go-txdb](https://github.com/DATA-DOG/go-txdb) - Single transaction based database driver mainly for testing purposes. * [gomock](https://github.com/golang/mock) - Mocking framework for the Go programming language. * [mockhttp](https://github.com/tv42/mockhttp) - Mock object for Go http.ResponseWriter * Fuzzing and delta-debugging/reducing/shrinking * [go-fuzz](https://github.com/dvyukov/go-fuzz) - A randomized testing system * [gofuzz](https://github.com/google/gofuzz) - A library for populating go objects with random values * [gogenerate](https://github.com/arschles/gogenerate) - A Scalacheck-like library for Go * [Tavor](https://github.com/zimmski/tavor) - A generic fuzzing and delta-debugging framework ## Text Processing *Libraries for parsing and manipulating texts.* * Specific Formats * [blackfriday](https://github.com/russross/blackfriday) - Markdown processor in Go * [github_flavored_markdown](https://godoc.org/github.com/shurcooL/github_flavored_markdown) - GitHub Flavored Markdown renderer with fenced code block highlighting, clickable header anchor links. * [bluemonday](https://github.com/microcosm-cc/bluemonday) - HTML Sanitizer * [enca](https://github.com/endeveit/enca) - Minimal cgo bindings for [libenca](http://cihar.com/software/enca/). * [genex](https://github.com/alixaxel/genex) - Count and expand Regular Expressions into all matching Strings * [go-humanize](https://github.com/dustin/go-humanize) - Formatters for time, numbers, and memory size to human readable format. * [go-nmea](https://github.com/adrianmo/go-nmea) - NMEA parser library for the Go language. * [go-pkg-rss](https://github.com/jteeuwen/go-pkg-rss) - This package reads RSS and Atom feeds and provides a caching mechanism that adheres to the feed specs. * [go-pkg-xmlx](https://github.com/jteeuwen/go-pkg-xmlx) - Extension to the standard Go XML package. Maintains a node tree that allows forward/backwards browsing and exposes some simple single/multi-node search functions. * [go-runewidth](https://github.com/mattn/go-runewidth) - Functions to get fixed width of the character or string. * [gographviz](https://github.com/awalterschulze/gographviz) - Parses the Graphviz DOT language. * [gommon/gytes](https://github.com/labstack/gommon/tree/master/gytes) - Format bytes to string. * [gonameparts](https://github.com/polera/gonameparts) - Parses human names into individual name parts * [GoQuery](https://github.com/PuerkitoBio/goquery) - GoQuery brings a syntax and a set of features similar to jQuery to the Go language. * [goregen](https://github.com/zach-klippenstein/goregen) - A library for generating random strings from regular expressions. * [guesslanguage](https://github.com/endeveit/guesslanguage) - Functions to determine the natural language of a unicode text. * [mxj](https://github.com/clbanning/mxj) - Encode / decode XML as JSON or map[string]interface{}; extract values with dot-notation paths and wildcards. Replaces x2j and j2x packages. * [slug](https://github.com/gosimple/slug) - URL-friendly slugify with multiple languages support. * [Slugify](https://github.com/avelino/slugify) - A Go slugify application that handles string. * [toml](https://github.com/BurntSushi/toml) - TOML configuration format (encoder/decoder with reflection). * Utility * [gotabulate](https://github.com/bndr/gotabulate) - Easily pretty-print your tabular data with Go. * [kace](https://github.com/codemodus/kace) - Common case conversions covering common initialisms. * [parth](https://github.com/codemodus/parth) - URL path segmentation parsing. * [xurls](https://github.com/mvdan/xurls) - Extract urls from text ## Third-party APIs *Libraries for accessing third party APIs.* * [anaconda](https://github.com/ChimeraCoder/anaconda) - A Go client library for the Twitter 1.1 API * [aws-sdk-go](https://github.com/aws/aws-sdk-go) - The official AWS SDK for the Go programming language. * [brewerydb](https://github.com/naegelejd/brewerydb) - Go library for accessing the BreweryDB API. * [clarifai](https://github.com/samuelcouch/clarifai) - A Go client library for interfacing with the Clarifai API. * [discordgo](https://github.com/bwmarrin/discordgo) - Go bindings for the Discord Chat API * [facebook](https://github.com/huandu/facebook) - Go Library that supports the Facebook Graph API * [gads](https://github.com/emiddleton/gads) - Google Adwords Unofficial API * [gami](https://github.com/bit4bit/gami) - Go library for Asterisk Manager Interface. * [gcm](https://github.com/Aorioli/gcm) - Go library for Google Cloud Messaging * [geo-golang](https://github.com/codingsince1985/geo-golang) - Go Library to access [Google Maps](https://developers.google.com/maps/documentation/geocoding/intro), [MapQuest](http://open.mapquestapi.com/geocoding/), [Nominatim](http://open.mapquestapi.com/nominatim/), [OpenCage](http://geocoder.opencagedata.com/api.html), [HERE](https://developer.here.com/rest-apis/documentation/geocoder) and [Bing](https://msdn.microsoft.com/en-us/library/ff701715.aspx) geocoding / reverse geocoding APIs. * [ghost](https://github.com/neuegram/ghost) - Go Library for accessing the Snapchat API. * [github](https://github.com/google/go-github) - Go library for accessing the GitHub API. * [go-marathon](https://github.com/gambol99/go-marathon) - A Go library for interacting with Mesosphere's Marathon PAAS * [goamz](https://github.com/mitchellh/goamz) - Popular fork of [goamz](https://launchpad.net/goamz) which adds some missing API calls to certain packages. * [GoMusicBrainz](https://github.com/michiwend/gomusicbrainz) - a Go MusicBrainz WS2 client library * [google](https://github.com/google/google-api-go-client) - Auto-generated Google APIs for Go * [google-analytics](https://github.com/chonthu/go-google-analytics) - A simple wrapper for easy google analytics reporting * [google-cloud](https://github.com/GoogleCloudPlatform/gcloud-golang) - Google Cloud APIs Go Client Library * [gostorm](https://github.com/jsgilmore/gostorm) - 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. * [hipchat](https://github.com/andybons/hipchat) - This project implements a golang client library for the Hipchat API. * [hipchat (xmpp)](https://github.com/daneharrigan/hipchat) - A golang package to communicate with HipChat over XMPP. * [Medium](https://github.com/Medium/medium-sdk-go) - A Golang SDK for Medium's OAuth2 API * [minio-go](https://github.com/minio/minio-go) - Minio Go Library for Amazon S3 compatible cloud storage. * [mixpanel](https://github.com/dukex/mixpanel) - Mixpanel is a library for tracking events and sending Mixpanel profile updates to Mixpanel from your go applications. * [paypal](https://github.com/logpacker/paypalsdk) - Wrapper for PayPal payment API * [playlyfe](https://github.com/playlyfe/playlyfe-go-sdk) - The Playlyfe Rest API Go SDK * [pushover](https://github.com/gregdel/pushover) - Go wrapper for the Pushover API. * [rrdaclient](https://github.com/Omie/rrdaclient) - Go Library to access statdns.com API, which is in turn RRDA API. DNS Queries over HTTP. * [shopify](https://github.com/rapito/go-shopify) - Go Library to make CRUD request to the Shopify API. * [slack](https://github.com/nlopes/slack) - Slack API in Go. * [smite](https://github.com/sergiotapia/smitego) - Go package to wraps access to the Smite game API. * [spotify](https://github.com/rapito/go-spotify) - Go Library to access Spotify WEB API. * [steam](https://github.com/sostronk/go-steam) - Go Library to interact with Steam game servers. * [stripe](https://github.com/stripe/stripe-go) - Go client for the Stripe API * [telebot](https://github.com/tucnak/telebot) - Telegram bot framework written in Go. * [telegram-bot-api](https://github.com/Syfaro/telegram-bot-api) - Simple and clean Telegram bot client. * [TheMovieDb](https://github.com/jbrodriguez/go-tmdb) - A simple golang package to communicate with [themoviedb.org](https://themoviedb.org) * [translate](https://github.com/poorny/translate) - Go online translation package * [tumblr](https://github.com/mattcunningham/gumblr) - Go wrapper for the Tumblr v2 API. * [webhooks](https://github.com/go-playground/webhooks) - Webhook reciever for GitHub and Bitbucket ## Utilities *General utilities and tools to make your life easier.* * [apm](https://github.com/topfreegames/apm) - A process manager for Golang applications with an HTTP API. * [boilr](https://github.com/tmrts/boilr) - A blazingly fast CLI tool for creating projects from boilerplate templates. * [coop](https://github.com/rakyll/coop) - Cheat sheet for some of the common concurrent flows in Go. * [Deepcopier](https://github.com/ulule/deepcopier) - Simple struct copying for Go * [delve](https://github.com/derekparker/delve) - Go debugger. * [fastlz](https://github.com/digitalcrab/fastlz) - Wrap over [FastLz](http://fastlz.org/) (free, open-source, portable real-time compression library) for GoLang. * [filetype](https://github.com/h2non/filetype) - Small package to infer the file type checking the magic numbers signature. * [fzf](https://github.com/junegunn/fzf) - A command-line fuzzy finder written in Go * [generate](https://github.com/go-playground/generate) - runs go generate recursively on a specified path or environment variable and can filter by regex. * [go-cron](https://github.com/rk/go-cron) - A 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. * [go-debug](https://github.com/tj/go-debug) - Conditional debug logging for Golang libraries & applications * [go-dry](https://github.com/ungerik/go-dry) - DRY (don't repeat yourself) package for Go. * [go-rate](https://github.com/beefsack/go-rate) - A timed rate limiter for Go * [go-sitemap-generator](https://github.com/ikeikeikeike/go-sitemap-generator) - XML Sitemap generator written in Go. * [go-trigger](https://github.com/sadlil/go-trigger) - Go-lang global event triggerer, Register Events with an id and trigger the event from anywhere from your project. * [go-underscore](https://github.com/tobyhede/go-underscore) - A useful collection of helpfully functional Go collection utilities. * [goback](https://github.com/carlescere/goback) - Go simple exponential backoff package. * [godaemon](https://github.com/VividCortex/godaemon) - Utility to write daemons * [godotenv](https://github.com/joho/godotenv) - A Go port of Ruby's dotenv library (Loads environment variables from `.env`.) * [godropbox](https://github.com/dropbox/godropbox) - Common libraries for writing Go services/applications from Dropbox. * [gohper](https://github.com/cosiner/gohper) - Various tools/modules help for development. * [gojq](https://github.com/elgs/gojq) - JSON query in Golang. * [golarm](https://github.com/msempere/golarm) - Fire alarms with system events. * [golog](https://github.com/mlimaloureiro/golog) - Easy and lightweight CLI tool to time track your tasks. * [gopencils](https://github.com/bndr/gopencils) - Small and simple package to easily consume REST APIs. * [goplaceholder](https://github.com/michiwend/goplaceholder) - a small golang lib to generate placeholder images * [goreq](https://github.com/franela/goreq) - Minimal and simple request library for Go language. * [goreq](https://github.com/smallnest/goreq) - An enhanced simplified HTTP client based on gorequest. * [gorequest](https://github.com/parnurzeal/gorequest) - Simplified HTTP client with rich features for Go. * [gotenv](https://github.com/subosito/gotenv) - Load environment variables from `.env` or any `io.Reader` in Go * [grequests](https://github.com/levigross/grequests) - An elegant and simple `net/http` wrapper that follows Python's requests library * [htcat](https://github.com/htcat/htcat) - Parallel and Pipelined HTTP GET Utility * [httpcontrol](https://github.com/facebookgo/httpcontrol) - Package httpcontrol allows for HTTP transport level control around timeouts and retries. * [hystrix-go](https://github.com/afex/hystrix-go) - Implements Hystrix patterns of programmer-defined fallbacks aka circuit breaker. * [JobRunner](https://github.com/bamzi/jobrunner) - Smart and featureful cron job scheduler with job queuing and live monitoring built in. * [jsonf](https://github.com/miolini/jsonf) - Console tool for highlighted formatting and struct query fetching JSON. * [jsongo](https://github.com/ricardolonga/jsongo) - Fluent API to make it easier to create Json objects. * [lrserver](https://github.com/jaschaephraim/lrserver) - LiveReload server for Go * [mc](https://github.com/minio/mc) - Minio Client provides minimal tools to work with Amazon S3 compatible cloud storage and filesystems. * [mp](https://github.com/sanbornm/mp) - A simple cli email parser. It currently takes stdin and outputs JSON. * [multitick](https://github.com/VividCortex/multitick) - Multiplexor for aligned tickers * [netbug](https://github.com/e-dard/netbug) - Easy remote profiling of your services. * [ngrok](https://github.com/inconshreveable/ngrok) - Introspected tunnels to localhost. * [okrun](https://github.com/xta/okrun) - go run error steamroller * [panicparse](https://github.com/maruel/panicparse) - Groups similar goroutines and colorizes stack dump. * [peco](https://github.com/peco/peco) - Simplistic interactive filtering tool * [pester](https://github.com/sethgrid/pester) - Go HTTP client calls with retries, backoff, and concurrency * [pm](https://github.com/VividCortex/pm) - Process (i.e. goroutine) manager with an HTTP API * [profile](https://github.com/davecheney/profile) - Simple profiling support package for Go * [request](https://github.com/mozillazg/request) - Go HTTP Requests for Humans™. * [rerun](https://github.com/ivpusic/rerun) - Recompiling and rerunning go apps when source changes * [resty](https://github.com/go-resty/resty) - Simple HTTP and REST client for Go inspired by Ruby rest-client * [robustly](https://github.com/VividCortex/robustly) - Runs functions resiliently, catching and restarting panics * [scheduler](https://github.com/carlescere/scheduler) - Cronjobs scheduling made easy. * [sling](https://github.com/dghubble/sling) - Go HTTP requests builder for API clients. * [spinner](https://github.com/briandowns/spinner) - Go package to easily provide a terminal spinner with options. * [sqlx](https://github.com/jmoiron/sqlx) - provides a set of extensions on top of the excellent built-in database/sql package * [xlsx](https://github.com/tealeg/xlsx) - Library to simplify reading the XML format used by recent version of Microsoft Excel in Go programs. ## Validation *Libraries for validation.* * [govalidator](https://github.com/asaskevich/govalidator) - Validators and sanitizers for strings, numerics, slices and structs * [validator](https://github.com/go-playground/validator) - Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving ## Version Control *Libraries for version control.* * [gh](https://github.com/rjeczalik/gh) - Scriptable server and net/http middleware for GitHub Webhooks * [git2go](https://github.com/libgit2/git2go) - Go bindings for libgit2. * [go-vcs](https://github.com/sourcegraph/go-vcs) - manipulate and inspect VCS repositories in Go. * [hgo](https://github.com/beyang/hgo) - Hgo is a collection of Go packages providing read-access to local Mercurial repositories. ## Video *Libraries for manipulating video.* * [aac/h264](https://github.com/nareix/codec) - Golang aac/h264 encoder and decoder. * [gmf](https://github.com/3d0c/gmf) - Go bindings for FFmpeg av\* libraries. * [goav](https://github.com/giorgisio/goav) - Comphrensive Go bindings for FFmpeg. * [gst](https://github.com/ziutek/gst) - Go bindings for GStreamer. ## Web Frameworks *Full stack web frameworks.* * [Beego](https://github.com/astaxie/beego) - beego is an open-source, high-performance web framework for the Go programming language. * [Bone](https://github.com/go-zoo/bone) - Lightning Fast HTTP Multiplexer. * [chi](https://github.com/pressly/chi) - Small, fast and expressive HTTP router built on net/context. * [Echo](https://github.com/labstack/echo) - A fast HTTP router (zero memory allocation) and micro web framework in Go. * [Gin](https://github.com/gin-gonic/gin) - 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. * [Gizmo](https://github.com/NYTimes/gizmo) - Microservice toolkit used by the New York Times. * [Glue](https://github.com/desertbit/glue) - Robust Go and Javascript Socket Library (Alternative to Socket.io) * [go-json-rest](https://github.com/ant0ine/go-json-rest) - A quick and easy way to setup a RESTful JSON API * [go-kit](https://github.com/go-kit/kit) - A Microservice toolkit with support for service discovery, load balancing, pluggable transports, request tracking, etc. * [go-relax](https://github.com/codehack/go-relax) - A framework of pluggable components to build RESTful API's * [go-rest](https://github.com/ungerik/go-rest) - A small and evil REST framework for Go * [go-socket.io](https://github.com/googollee/go-socket.io) - socket.io library for golang, a realtime application framework. * [goa](https://github.com/raphael/goa) - Framework for developing microservices based on the design of Ruby's Praxis * [Goat](https://github.com/bahlo/goat) - A minimalistic REST API server in Go * [gocraft/web](https://github.com/gocraft/web) - A mux and middleware package in Go. * [Goji](https://github.com/goji/goji) - Goji is a minimalistic and flexible HTTP request multiplexer with support for `net/context`. * [golongpoll](https://github.com/jcuga/golongpoll) - HTTP longpoll server library that makes web pub-sub simple. * [Gondola](https://github.com/rainycape/gondola) - The web framework for writing faster sites, faster * [goose](https://github.com/ian-kent/goose) - Server Sent Events in Go * [Gorilla](https://github.com/gorilla/) - Gorilla is a web toolkit for the Go programming language. * [httprouter](https://github.com/julienschmidt/httprouter) - A high performance router. Use this and the standard http handlers to form a very high performance web framework. * [httptreemux](https://github.com/dimfeld/httptreemux) - High-speed, flexible tree-based HTTP router for Go.Inspiration from httprouter * [Macaron](https://github.com/Unknwon/macaron) - Macaron is a high productive and modular design web framework in Go. * [mango](https://github.com/paulbellamy/mango) - Mango is a modular web-application framework for Go, inspired by Rack, and PEP333. * [medeina](https://github.com/imdario/medeina) - Medeina is a HTTP routing tree based on HttpRouter, inspired by Roda and Cuba. * [mux](https://github.com/gorilla/mux) - A powerful URL router and dispatcher for golang. * [neo](https://github.com/ivpusic/neo) - Neo is minimal and fast Go Web Framework with extremely simple API. * [pat](https://github.com/bmizerany/pat) - Sinatra style pattern muxer for Go’s net/http library, by the author of Sinatra. * [Resoursea](https://github.com/resoursea/api) - A REST framework for quickly writing resource based services. * [Revel](https://github.com/revel/revel) - A high-productivity web framework for the Go language. * [rex](https://github.com/goanywhere/rex) - Rex is a library for modular development built upon gorilla/mux, fully compatible with `net/http`. * [sawsij](http://sawsij.com/) - lightweight, open-source web framework for building high-performance, data-driven web applications. * [Siesta](https://github.com/VividCortex/siesta) - Composable framework to write middleware and handlers * [tango](https://github.com/lunny/tango) - Micro & pluggable web framework for Go. * [tigertonic](https://github.com/rcrowley/go-tigertonic) - A Go framework for building JSON web services inspired by Dropwizard * [traffic](https://github.com/pilu/traffic) - Sinatra inspired regexp/pattern mux and web framework for Go. * [Volatile](https://github.com/volatile/core) - Minimalist middleware stack promoting flexibility, good practices and clean code. * [web.go](https://github.com/hoisie/web) - A simple framework to write webapps in Go. * [xmux](https://github.com/rs/xmux) - A high performance muxer based on `httprouter` with `net/context` support. * [Zerver](https://github.com/cosiner/zerver) - Zerver is an expressive, modular, feature completed RESTful framework. * [zeus](https://github.com/daryl/zeus) - A very simple and fast HTTP router for Go. ### Middlewares #### Actual middlewares * [CORS](https://github.com/rs/cors) - Easily add CORS capabilities to your API * [formjson](https://github.com/rs/formjson) - Transparently handle JSON input as a standard form POST * [Limiter](https://github.com/ulule/limiter) - Dead simple rate limit middleware for Go * [Tollbooth](https://github.com/didip/tollbooth) - Rate limit HTTP request handler * [XFF](https://github.com/sebest/xff) - Handle `X-Forwarded-For` header and friends #### Libraries for creating HTTP middlewares * [alice](https://github.com/justinas/alice) - Painless middleware chaining for Go. * [catena](https://github.com/codemodus/catena) - http.Handler wrapper catenation (same API as "chain"). * [chain](https://github.com/codemodus/chain) - Handler wrapper chaining with scoped data (net/context-based "middleware"). * [go-wrap](https://github.com/go-on/wrap) - Small middlewares package for net/http. * [interpose](https://github.com/carbocation/interpose) - Minimalist net/http middleware for golang * [muxchain](https://github.com/stephens2424/muxchain) - Lightweight middleware for net/http. * [negroni](https://github.com/codegangsta/negroni) - Idiomatic HTTP middleware for Golang. * [render](https://github.com/unrolled/render) - Go package for easily rendering JSON, XML, and HTML template responses. * [stats](https://github.com/thoas/stats) - A Go middleware that stores various information about your web application. # Tools Go software and plugins. ## Code Analysis * [doc](https://godoc.org/robpike.io/cmd/doc) - Go documentation tool that produces an alternative doc format. * [dupl](https://github.com/mibk/dupl) - A tool for code clone detection. * [errcheck](https://github.com/kisielk/errcheck) - Errcheck is a program for checking for unchecked errors in Go programs. * [gcvis](https://github.com/davecheney/gcvis) - Visualise Go program GC trace data in real time. * [Go Metalinter](https://github.com/alecthomas/gometalinter) - Metalinter is a tool to automatically apply all static analysis tool and report their output in normalized form. * [goast-viewer](https://github.com/yuroyoro/goast-viewer) - Web based Golang AST visualizer. * [go-checkstyle](https://github.com/qiniu/checkstyle) checkstyle is a style check tool like java checkstyle. This tool inspired by [java checkstyle](https://github.com/checkstyle/checkstyle), [golint] (https://github.com/golang/lint). The style refered to some points in [Go Code Review Comments](https://code.google.com/p/go-wiki/wiki/CodeReviewComments). * [GoCover.io](http://gocover.io/) - GoCover.io offers the code coverage of any golang package as a service. * [goimports](https://godoc.org/golang.org/x/tools/cmd/goimports) - Tool to fix (add, remove) your Go imports automatically. * [GoLint](https://github.com/golang/lint) - Golint is a linter for Go source code. * [Golint online](http://go-lint.appspot.com/) - Lints online Go source files on GitHub, Bitbucket and Google Project Hosting using the golint package. * [goreturns](https://sourcegraph.com/sqs/goreturns) - Adds zero-value return statements to match the func return types. * [gostatus](https://github.com/shurcooL/gostatus) - A command line tool, shows the status of repositories that contain Go packages. * [interfacer](https://github.com/mvdan/interfacer) - A linter that suggests interface types. * [validate](https://github.com/mccoyst/validate) - Automatically validates struct fields with tags. ## Editor Plugins * [go-lang-idea-plugin](https://github.com/go-lang-plugin-org/go-lang-idea-plugin) Go plugin for IntelliJ IDEA. * [go-plus](https://github.com/joefitzgerald/go-plus) - Go (Golang) Package For Atom That Adds Autocomplete, Formatting, Syntax Checking, Linting and Vetting * [Goclipse](https://github.com/GoClipse/goclipse) - An Eclipse plugin for Go. * [gocode](https://github.com/nsf/gocode) - An autocompletion daemon for the Go programming language * [GoSublime](https://github.com/DisposaBoy/GoSublime) - A Golang plugin collection for the text editor SublimeText 2 providing code completion and other IDE-like features. * [velour](https://github.com/velour/velour) - An IRC client for the acme editor. * [vim-compiler-go](https://github.com/rjohnsondev/vim-compiler-go) - A Vim plugin to highlight syntax errors on save. * [vim-go](https://github.com/fatih/vim-go) - Go development plugin for Vim. * [Watch](https://github.com/eaburns/Watch) - Runs a command in an acme win on file changes. ## Go Tools * [colorgo](https://github.com/songgao/colorgo) - A wrapper around `go` command for colorized `go build` output. * [gb](https://getgb.io/) - An easy to use project based build tool for the Go programming language. * [go-pkg-complete](https://github.com/skelterjohn/go-pkg-complete) - Bash completion for go and wgo. ## Software Packages Software written in Go. ### DevOps Tools * [aptly](https://github.com/smira/aptly) - aptly is a Debian repository management tool * [awsenv](https://github.com/soniah/awsenv) - a small binary that loads Amazon (AWS) environment variables for a profile * [Boom](https://github.com/rakyll/boom) - Boom is a tiny program that sends some load to a web application. * [bosun](https://github.com/bosun-monitor/bosun) - Time Series Alerting Framework * [dogo](https://github.com/liudng/dogo) - Monitoring changes in the source file and automatically compile and run (restart). * [Dropship](https://github.com/chrismckenzie/dropship) - A tool for deploying code via cdn. * [EasySSH](https://github.com/hypersleep/easyssh) - Golang package for easy remote execution through SSH and SCP downloading. * [Go Metrics](https://github.com/rcrowley/go-metrics) - Go port of Coda Hale's Metrics library: https://github.com/codahale/metrics. * [go-selfupdate](https://github.com/sanbornm/go-selfupdate) - Enable your Go applications to self update. * [gobrew](https://github.com/cryptojuice/gobrew) - gobrew lets you easily switch between multiple versions of go. * [godbg](https://github.com/sirnewton01/godbg) - Web-based gdb front-end application. * [Gogs](https://gogs.io/) - A Self Hosted Git Service in the Go Programming Language. * [gonative](https://github.com/inconshreveable/gonative) - 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. * [gox](https://github.com/mitchellh/gox) - A dead simple, no frills Go cross compile tool. * [goxc](https://github.com/laher/goxc) - build tool for Go, with a focus on cross-compiling and packaging. * [GVM](https://github.com/moovweb/gvm) - GVM provides an interface to manage Go versions. * [hk](https://github.com/heroku/hk) - Heroku command-line interface in Go. * [kala](https://github.com/ajvb/kala) - Simplistic, modern, and performant job scheduler. * [Mora](https://github.com/emicklei/mora) - REST server for accessing MongoDB documents and meta data. * [ostent](https://github.com/ostrost/ostent) - collects and displays system metrics and optionally relays to Graphite and/or InfluxDB * [Packer](https://github.com/mitchellh/packer) - Packer is a tool for creating identical machine images for multiple platforms from a single source configuration. * [Rodent](https://github.com/alouche/rodent) - Rodent helps you manage Go versions, projects and track dependencies. * [s3gof3r](https://github.com/rlmcpherson/s3gof3r) - A small utility/library optimized for high speed transfer of large objects into and out of Amazon S3. * [Vegeta] (https://github.com/tsenart/vegeta) - HTTP load testing tool and library. It's over 9000! * [webhook](https://github.com/adnanh/webhook) - Tool which allows user to create HTTP endpoints (hooks) that execute commands on the server * [Wide](https://wide.b3log.org/login) - A Web-based IDE for Teams using Golang. ### Other Software * [boxed](https://github.com/tejo/boxed) - Dropbox based blog engine * [Circuit](https://github.com/gocircuit/circuit) - 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. * [Comcast](https://github.com/tylertreat/Comcast) - Simulate bad network connections * [confd](https://github.com/kelseyhightower/confd) - Manage local application configuration files using templates and data from etcd or consul. * [Docker](http://www.docker.com/) - An open platform for distributed applications for developers and sysadmins. * [fleet](https://github.com/coreos/fleet) - A Distributed init System. * [Go Package Store](https://github.com/shurcooL/Go-Package-Store#go-package-store-) - An app that displays updates for the Go packages in your GOPATH. * [gocc](https://github.com/goccmack/gocc) - Gocc is a compiler kit for Go written in Go. * [Gor](https://github.com/buger/gor) - Http traffic replication tool, for replaying traffic from production to stage/dev environments in real-time. * [heka](https://github.com/mozilla-services/heka) - universal tool for data processing from Mozilla. Large collection of built-in plugins. Extendable via Go and Lua plugin API. * [hsync](http://ambrevar.bitbucket.org/hsync/) - A filesystem hierarchy synchronizer * [hugo](http://gohugo.io/) - A Fast and Modern Static Website Engine * [ipe](https://github.com/dimiro1/ipe) - An open source Pusher server implementation compatible with Pusher client libraries written in GO. * [Juju](https://jujucharms.com/) - Cloud-agnostic service deployment and orchestration - supports EC2, Azure, Openstack, MAAS and more. * [limetext](http://limetext.org/) 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. * [LiteIDE](https://github.com/visualfc/liteide) LiteIDE is a simple, open source, cross-platform Go IDE. * [naclpipe](https://github.com/unix4fun/naclpipe) - A simple NaCL EC25519 based crypto pipe tool written in Go. * [nes](https://github.com/fogleman/nes) - A Nintendo Entertainment System (NES) emulator written in Go. * [orange-cat](https://github.com/noraesae/orange-cat) - A Markdown previewer written in Go. * [peg](https://github.com/pointlander/peg) - Peg, Parsing Expression Grammar, is an implementation of a Packrat parser generator. * [Postman](https://github.com/zachlatta/postman) - Command-line utility for batch-sending email. * [restic](https://github.com/restic/restic) - De-duplicating backup program. * [rkt](https://github.com/coreos/rkt) - An App Container runtime that integrates with init systems, is compatible with other container formats like Docker, and supports alternative execution engines like KVM. * [Seaweed File System](https://github.com/chrislusf/seaweedfs) - Fast, Simple and Scalable Distributed File System with O(1) disk seek. * [shell2http](https://github.com/msoap/shell2http) - Executing shell commands via http server (for prototyping or remote control) * [snap](https://github.com/intelsdi-x/snap) - A powerful telemetry framework * [Stack Up](https://github.com/pressly/sup) - Stack Up, a super simple deployment tool - just Unix - think of it like 'make' for a network of servers. * [syncthing](https://syncthing.net/) - An open, decentralized file synchronization tool and protocol. * [Tenyks](https://github.com/kyleterry/tenyks) - Service oriented IRC bot using Redis and JSON for messaging. * [toxiproxy](https://github.com/shopify/toxiproxy) - Proxy to simulate network and system conditions for automated tests. * [tsuru](https://tsuru.io/) - An extensible and open source Platform as a Service software. * [websysd](https://github.com/ian-kent/websysd) - Web based process manager (like Marathon or Upstart) * [wellington](https://github.com/wellington/wellington) - Sass project management tool, extends the language with sprite functions (like Compass) # Resources Where to discover new Go libraries. ## Benchmarks * [autobench](https://github.com/davecheney/autobench) - Framework to compare the performance between different Go versions. * [go-http-routing-benchmark](https://github.com/julienschmidt/go-http-routing-benchmark) - Go HTTP request router benchmark and comparison. * [go-type-assertion-benchmark](https://github.com/hgfischer/go-type-assertion-benchmark) - Naive performance test of two ways to do type assertion in Go. * [go_serialization_benchmarks](https://github.com/alecthomas/go_serialization_benchmarks) - Benchmarks of Go serialization methods. * [gocostmodel](https://github.com/PuerkitoBio/gocostmodel) - Benchmarks of common basic operations for the Go language. * [golang-micro-benchmarks](https://github.com/amscanne/golang-micro-benchmarks) - Tiny collection of Go micro benchmarks. The intent is to compare some language features to others. * [golang-sql-benchmark](https://github.com/tyler-smith/golang-sql-benchmark) - A collection of benchmarks for popular Go database/SQL utilities. * [gospeed](https://github.com/feyeleanor/GoSpeed) - Go micro-benchmarks for calculating the speed of language constructs. * [kvbench](https://github.com/jimrobinson/kvbench) - Key/Value database benchmark. * [speedtest-resize](https://github.com/fawick/speedtest-resize) - Compare various Image resize algorithms for the Go language. ## Conferences * [dotGo](http://www.dotgo.eu) - Paris, France * [GoCon](http://gocon.connpass.com/) - Tokyo, Japan * [GolangUK](http://golanguk.com/) - London, UK * [GopherChina](http://gopherchina.org) - Shanghai, China * [GopherCon](http://www.gophercon.com/) - Denver, USA * [GopherCon Dubai](http://www.gophercon.ae/) - Dubai, UAE * [GopherCon India](http://www.gophercon.in/) - Bengaluru, India * [GothamGo](http://gothamgo.com/) - New York City, USA ## E-Books * [A Go Developer's Notebook](https://leanpub.com/GoNotebook/read) * [An Introduction to Programming in Go](http://www.golang-book.com/) * [Build Web Application with Golang](https://www.gitbook.com/book/astaxie/build-web-application-with-golang/details) * [Building Web Apps With Go](https://www.gitbook.com/book/codegangsta/building-web-apps-with-go/details) * [Go Bootcamp](http://golangbootcamp.com) * [GoBooks](https://github.com/dariubs/GoBooks) - A curated list of Go books * [Learning Go](https://www.miek.nl/downloads/Go/Learning-Go-latest.pdf) * [Network Programming With Go](https://jan.newmarch.name/go/) * [The Go Programming Language](http://www.gopl.io/) ## Twitter * [@golang](https://twitter.com/golang) * [@golang_news](https://twitter.com/golang_news) * [@golangweekly](https://twitter.com/golangweekly) ## Websites * [Awesome Remote Job](https://github.com/lukasz-madon/awesome-remote-job) - A curated list of awesome remote jobs. A lot of them is looking for Go hackers. * [awesome-awesomeness](https://github.com/bayandin/awesome-awesomeness) - List of other amazingly awesome lists. * [Flipboard - Go Magazine](https://flipboard.com/section/the-golang-magazine-bVP7nS) - A collection of Go articles and tutorials. * [Go Blog](http://blog.golang.org) - The official Go blog * [Go Projects](https://github.com/golang/go/wiki/Projects) - List of projects on the Go community wiki * [godoc.org](https://godoc.org/) - Documentation for open source Go packages. * [golang-graphics](https://github.com/mholt/golang-graphics) - A collection of Go images, graphics, and art * [golang-nuts](https://groups.google.com/forum/#!forum/golang-nuts) - Go mailing list * [gowalker.org](https://gowalker.org) - Go Project API documentation. * [r/Golang](https://www.reddit.com/r/golang) - News about Go. * [Trending Go repositories on GitHub today](https://github.com/trending?l=go) - Good place to find new Go libraries. ### Tutorials * [A Tour of Go](http://tour.golang.org/) - Interactive tour of Go * [Go By Example](https://gobyexample.com/) - A hands-on introduction to Go using annotated example programs * [Go database/sql tutorial](http://go-database-sql.org/) - Introduction to database/sql * [Working with Go](https://github.com/mkaz/working-with-go) - An intro to go for experienced programmers ## Windows * [go-ole](https://github.com/go-ole/go-ole) - Win32 OLE implementation for golang