A curated list of awesome Go frameworks, libraries and software. Inspired by awesome-python.
Please take a quick gander at the contribution guidelines first. Thanks to all contributors; you rock!
If you see a package or project here that is no longer maintained or is not a good fit, please submit a pull request to improve this file. Thank you!
- 
- Audio & Music
 - Authentication & OAuth
 - Command Line
 - Configuration
 - Continuous Integration
 - CSS Preprocessors
 - Data Structures
 - Database
 - Database Drivers
 - Date & Time
 - Distributed Systems
 - Embeddable Scripting Languages
 - Financial
 - Forms
 - Game Development
 - Generation & Generics
 - Go Compilers
 - Goroutines
 - GUI
 - Hardware
 - Images
 - Logging
 - Machine Learning
 - Messaging
 - Miscellaneous
 - Natural Language Processing
 - Networking
 - OpenGL
 - ORM
 - Package Management
 - Query Language
 - Resource Embedding
 - Science and Data Analysis
 - Security
 - Serialization
 - Template Engines
 - Testing
 - Text Processing
 - Third-party APIs
 - Utilities
 - Validation
 - Version Control
 - Video
 - Web Frameworks
 - Windows
 
 
Libraries for manipulating audio.
- flac - A native Go FLAC decoder.
 - flac - A native Go FLAC decoder.
 - gaad - A native Go AAC bitstream parser
 - go-sox - libsox bindings for go.
 - go_mediainfo - libmediainfo bindings for go.
 - gosamplerate - libsamplerate bindings for go.
 - id3v2 - Fast and stable ID3 parsing and writing library for Go
 - mix - Sequence-based Go-native audio mixer for music apps.
 - mp3 - A native Go MP3 decoder.
 - music-theory - Music theory models in Go.
 - PortAudio - Go bindings for the PortAudio audio I/O library.
 - portmidi - Go bindings for PortMidi.
 - taglib - Go bindings for taglib.
 - vorbis - A "native" Go Vorbis decoder (uses CGO, but has no dependencies).
 - waveform - Go package capable of generating waveform images from audio streams.
 
Libraries for implementing authentications schemes.
- authboss - A modular authentication system for the web. It tries to remove as much boilerplate and "hard things" as possible so that each time you start a new web project in Go, you can plug it in, configure, and start building your app without having to build an authentication system each time.
 - Go-AWS-Auth - AWS (Amazon Web Services) request signing library.
 - go-jose - A fairly complete implementation of the JOSE working group's JSON Web Token, JSON Web Signatures, and JSON Web Encryption specs.
 - go-oauth2-server - A standalone, specification-compliant, OAuth2 server written in Golang.
 - go.auth - Authentication API for Go web applications.
 - gologin - chainable handlers for login with OAuth1 and OAuth2 authentication providers.
 - gorbac - provides a lightweight role-based access control (RBAC) implementation in Golang.
 - goth - provides a simple, clean, and idiomatic way to use OAuth and OAuth2. Handles multiple provides out of the box.
 - httpauth - HTTP Authentication middleware.
 - jwt - A clean and easy to use implementation of JSON Web Tokens (JWT).
 - jwt-go - Golang implementation of JSON Web Tokens (JWT).
 - oauth2 - Successor of goauth2. Generic OAuth 2.0 package that comes with JWT, Google APIs, Compute Engine and App Engine support.
 - osin - Golang OAuth2 server library.
 - permissions2 - Library for keeping track of users, login states and permissions. Uses secure cookies and bcrypt.
 - yubigo - a Yubikey client package that provides a simple API to integrate the Yubico Yubikey into a go application.
 
Libraries for building standard or basic Command Line applications
- cli - A feature-rich and easy to use command-line package based on golang tag
 - cli-init - The easy way to start building Golang command line application.
 - climax - An alternative CLI with "human face", in spirit of Go command
 - cobra - A Commander for modern Go CLI interactions
 - docopt.go - A command-line arguments parser that will make you smile.
 - drive - Google Drive client for the commandline
 - go-arg - Struct-based argument parsing in Go
 - go-flags - go command line option parser
 - kingpin - A command line and flag parser supporting sub commands.
 - liner - A Go readline-like library for command-line interfaces.
 - mitchellh/cli - A Go library for implementing command-line interfaces.
 - mow.cli - A Go library for building CLI applications with sophisticated flag and argument parsing and validation.
 - readline - A pure golang implementation that provide most of features in GNU-Readline under MIT license.
 - sflags - Struct based flags generator for flag, urfave/cli, pflag, cobra, kingpin and other libraries.
 - ukautz/clif - A small command line interface framework.
 - urfave/cli - A simple, fast, and fun package for building command line apps in Go (formerly codegangsta/cli).
 - wlog - A simple logging interface that supports cross-platform color and concurrency.
 - wmenu - An easy to use menu structure for cli applications that prompts users to make choices.
 
Libraries for building Console Applications and Console User Interfaces
- aurora - ANSI terminal colors that supports fmt.Printf/Sprintf
 - chalk - Intuitive package for prettifying terminal/console output.
 - color - Versatile package for colored terminal output.
 - colourize - Go library for ANSI colour text in terminals.
 - go-colortext - Go library for color output in terminals.
 - gocui - Minimalist Go library aimed at creating Console User Interfaces.
 - gommon/color - Style terminal text.
 - termbox-go - Termbox is a library for creating cross-platform text-based interfaces.
 - termtables - A Go port of the Ruby library terminal-tables for simple ASCII table generation as well as providing markdown and HTML output
 - termui - Go terminal dashboard based on termbox-go and inspired by blessed-contrib.
 - uilive - A library for updating terminal output in realtime.
 - uiprogress - A flexible library to render progress bars in terminal applications.
 - uitable - A library to improve readability in terminal apps using tabular data.
 
Libraries for configuration parsing
- config - JSON or YAML configuration wrapper with environment variables and flags parsing.
 - configure - Provides configuration through multiple sources, including JSON, flags and environment variables.
 - env - Parse environment variables to Go structs (with defaults).
 - envcfg - Un-marshaling environment variables to Go structs.
 - envconf - Configuration from environment
 - envconfig - Read your configuration from environment variables.
 - gcfg - read INI-style configuration files into Go structs; supports user-defined types and subsections
 - gofigure - Go application configuration made easy
 - hjson - Human JSON, a configuration file format for humans. Relaxed syntax, fewer mistakes, more comments.
 - ingo - Flags persisted in an ini-like config file
 - ini - Go package for read and write INI files
 - mini - A golang package for parsing ini-style configuration files
 - store - A lightweight configuration manager for Go
 - viper - Go configuration with fangs
 
Tools for help with continuous integration
- drone - Drone is a Continuous Integration platform built on Docker, written in Go
 - goveralls - Go integration for Coveralls.io continuous code coverage tracking system.
 - overalls - Multi-Package go project coverprofile for tools like goveralls
 
Libraries for preprocessing CSS files
- c6 - High performance SASS compatible-implementation compiler written in Go
 - gcss - Pure Go CSS Preprocessor.
 - go-libsass - Go wrapper to the 100% Sass compatible libsass project.
 
Generic datastructures and algorithms in Go.
- binpacker - Binary packer and unpacker helps user build custom binary stream.
 - bitset - Go package implementing bitsets.
 - bloom - Bloom filters implemented in Go.
 - boomfilters - Probabilistic data structures for processing continuous, unbounded streams
 - count-min-log - A Go implementation Count-Min-Log sketch: Approximately counting with approximate counters (Like Count-Min sketch but using less memory).
 - cuckoofilter - Cuckoo filter: a good alternative to a counting bloom filter implemented in Go.
 - encoding - Integer Compression Libraries for Go.
 - go-adaptive-radix-tree - A Go implementation of Adaptive Radix Tree.
 - go-datastructures - A collection of useful, performant, and thread-safe data structures
 - go-geoindex - In-memory geo index.
 - gods - Go Data Structures. Containers, Sets, Lists, Stacks, Maps, BidiMaps, Trees, HashSet etc.
 - golang-set - Thread-Safe and Non-Thread-Safe high-performance sets for Go.
 - goskiplist - A skip list implementation in Go.
 - hilbert - Go package for mapping values to and from space-filling curves, such as Hilbert and Peano curves.
 - levenshtein - Implementation to calculate levenshtein distance in Go.
 - mafsa - MA-FSA implementation with Minimal Perfect Hashing
 - roaring - Go package implementing compressed bitsets.
 - skiplist - Skiplist implementation in Go
 - trie - Trie implementation in Go
 - ttlcache - An in-memory LRU string-interface{} map with expiration for golang
 - willf/bloom - Go package implementing Bloom filters.
 
Databases implemented in Go.
- BigCache - Efficient key/value cache for gigabytes of data.
 - bolt - A low-level key/value database for Go.
 - buntdb - A fast, embeddable, in-memory key/value database for Go with custom indexing and spatial support.
 - cache2go - An in-memory key:value cache which supports automatic invalidation based on timeouts.
 - cockroach - A Scalable, Geo-Replicated, Transactional Datastore
 - couchcache - A RESTful caching micro-service backed by Couchbase server.
 - dgraph - Scalable, Distributed, Low Latency, High Throughput Graph Database.
 - diskv - A home-grown disk-backed key-value store.
 - eliasdb - Dependency-free, transactional graph database with REST API, phrase search and SQL-like query language.
 - forestdb - Go bindings for ForestDB.
 - GCache - Cache library with support for expirable Cache, LFU, LRU and ARC.
 - geocache - An in-memory cache that is suitable for geolocation based applications.
 - go-cache - An in-memory key:value store/cache (similar to Memcached) library for Go, suitable for single-machine applications.
 - goleveldb - An implementation of the LevelDB key/value database in the Go.
 - groupcache - Groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.
 - influxdb - Scalable datastore for metrics, events, and real-time analytics
 - ledisdb - Ledisdb is a high performance NoSQL like Redis based on LevelDB.
 - levigo - Levigo is a Go wrapper for LevelDB.
 - piladb - Lightweight RESTful database engine based on stack data structures.
 - pREST - Serve a RESTful API from any PostgreSQL database.
 - prometheus - Monitoring system and time series database.
 - rqlite - The lightweight, distributed, relational database built on SQLite.
 - tidb - TiDB is a distributed SQL database. Inspired by the design of Google F1.
 - tiedot - Your NoSQL database powered by Golang.
 - Tile38 - A geolocation DB with spatial index and realtime geofencing.
 
Database schema migration.
- darwin - Database schema evolution library for Go
 - goose - Database migration tool. You can manage your database's evolution by creating incremental SQL or Go scripts.
 - gormigrate - Database schema migration helper for Gorm ORM.
 - migrate - Database migration handling in Golang support MySQL, PostgreSQL, Cassandra, and SQLite.
 - pravasan - Simple Migration tool - currently for MySQL but planning to support soon for Postgres, SQLite, MongoDB, etc.,
 - soda - Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.
 - sql-migrate - Database migration tool. Allows embedding migrations into the application using go-bindata.
 
Database tools.
- go-mysql - A go toolset to handle MySQL protocol and replication.
 - go-mysql-elasticsearch - Sync your MySQL data into Elasticsearch automatically.
 - kingshard - kingshard is a high performance proxy for MySQL powered by Golang.
 - myreplication - MySql binary log replication listener. Support statement and row based replication.
 - orchestrator - MySQL replication topology manager & visualizer
 - pgweb - A web-based PostgreSQL database browser
 - 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 - Go Postgres Data Access Toolkit
 - Dotsql - Go library that helps you keep sql files in one place and use it with ease.
 - goqu - An idiomatic SQL builder and query library.
 - igor - Abstraction layer for PostgreSQL that supports advanced functionality and uses gorm-like syntax.
 - ozzo-dbx - Powerful data retrieval methods as well as DB-agnostic query building capabilities.
 - scaneo - Generate Go code to convert database rows into arbitrary structs.
 - sqrl - SQL query builder, fork of Squirrel with improved performance.
 - Squirrel - Go library that helps you build SQL queries.
 - xo - Generate idiomatic Go code for databases based on existing schema definitions or custom queries supporting PostgreSQL, MySQL, SQLite, Oracle, and Microsoft SQL Server.
 
Libraries for connecting and operating databases.
- 
Relational Databases
- bgc - Datastore Connectivity for BigQuery for go.
 - firebirdsql - Firebird RDBMS SQL driver for Go
 - go-adodb - Microsoft ActiveX Object DataBase driver for go that using database/sql.
 - go-bqstreamer - BigQuery fast and concurrent stream insert.
 - go-mssqldb - Microsoft MSSQL driver prototype in go language.
 - go-oci8 - Oracle driver for go that using database/sql.
 - go-sql-driver/mysql - MySQL driver for Go.
 - go-sqlite3 - SQLite3 driver for go that using database/sql.
 - gofreetds Microsoft MSSQL driver. Go wrapper over FreeTDS.
 - pgx - PostgreSQL driver supporting features beyond those exposed by database/sql.
 - pq - Pure Go Postgres driver for database/sql.
 
 - 
NoSQL Databases
- aerospike-client-go - Aerospike client in Go language.
 - arangolite - Lightweight golang driver for ArangoDB.
 - asc - Datastore Connectivity for Aerospike for go.
 - cayley - A graph database with support for multiple backends.
 - dsc - Datastore connectivity for SQL, NoSQL, structured files.
 - dynago - Dynago is a principle of least surprise client for DynamoDB
 - go-couchbase - Couchbase client in Go
 - go-couchdb - Yet another CouchDB HTTP API wrapper for Go
 - gocb - Official Couchbase Go SDK
 - gocql - A Go language driver for Apache Cassandra.
 - gomemcache - memcache client library for the Go programming language.
 - gorethink - Go language driver for RethinkDB
 - goriak - Go language driver for Riak KV
 - 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 - Neo4j Rest API Bindings for Golang
 - Neo4j-GO - Neo4j REST Client in golang.
 - neoism - Neo4j client for Golang
 - redigo - Redigo is a Go client for the Redis database.
 - redis - Redis client for Golang
 - redis - A simple, powerful Redis client for Go.
 - redis - Redis-protocol compatible TCP servers/services.
 
 - 
Search and Analytic Databases
 
Libraries for working with dates and times.
- carbon - A simple Time extension with a lot of util methods, ported from PHP Carbon library.
 - durafmt - A time duration formatting library for Go.
 - go-persian-calendar - The implementation of the Persian (Solar Hijri) Calendar in Go (golang).
 - goweek - Library for working with week entity in golang.
 - now - Now is a time toolkit for golang.
 - NullTime - Nullable time.Time
 - timeutil - Useful extensions (Timedelta, Strftime, ...) to the golang's time package.
 
Packages that help with building Distributed Systems.
- celeriac - A library for adding support for interacting and monitoring Celery workers, tasks and events in Go
 - flowgraph - MPI-style ready-send coordination layer.
 - gleam - Fast and scalable distributed map/reduce system written in pure Go and Luajit, combining Go's high concurrency with Luajit's high performance, runs standalone or distributed.
 - glow - Easy-to-Use scalable distributed big data processing, Map-Reduce, DAG execution, all in pure Go.
 - go-jump - A port of Google's "Jump" Consistent Hash function.
 - gorpc - Simple, fast and scalable RPC library for high load.
 - grpc-go - The Go language implementation of gRPC. HTTP/2 based RPC.
 - hprose - A very newbility RPC Library, support 25+ languages now.
 - jsonrpc - The jsonrpc package helps implement of JSON-RPC 2.0.
 - jsonrpc - A JSON-RPC 2.0 HTTP client implementation
 - micro - A pluggable microservice toolkit and distributed systems platform.
 - NATS - A lightweight, high performance messaging system for microservices, IoT, and cloud native systems.
 - raft - Golang implementation of the Raft consensus protocol, by HashiCorp.
 - raft - Go implementation of the Raft consensus protocol, by CoreOS.
 - ringpop-go - Scalable, fault-tolerant application-layer sharding for Go applications
 - rpcx - A distributed pluggable RPC service framework like alibaba Dubbo.
 - sleuth - A library for master-less p2p auto-discovery and RPC between HTTP services (using ZeroMQ).
 - tendermint - High-performance middleware for transforming a state machine written in any programming language into a Byzantine Fault Tolerant replicated state machine using the Tendermint consensus and blockchain protocols.
 - torrent - BitTorrent client package.
- dht - BitTorrent Kademlia DHT implementation.
 - go-peerflix - Video streaming torrent client.
 
 
Libraries that implement email creation and sending
- douceur - CSS inliner for your HTML emails.
 - email - A robust and flexible email library for Go.
 - go-dkim - A DKIM library, to sign & verify email.
 - go-imap - An IMAP library for clients and servers
 - go-message - A streaming library for the Internet Message Format and mail messages
 - Gomail - Gomail is a very simple and powerful package to send emails.
 - Hectane - Lightweight SMTP client providing an HTTP API
 - MailHog - Email and SMTP testing with web and API interface
 - SendGrid - SendGrid's Go library for sending email
 - smtp - SMTP server protocol state machine
 
Embedding other languages inside your go code
- agora - Dynamically typed, embeddable programming language in Go
 - anko - Scriptable interpreter written in Go
 - gisp - Simple LISP in Go
 - go-duktape - Duktape JavaScript engine bindings for Go
 - go-lua - A port of the Lua 5.2 VM to pure Go
 - go-php - PHP bindings for Go
 - go-python - naive go bindings to the CPython C-API
 - golua - Go bindings for Lua C API
 - gopher-lua - a Lua 5.1 VM and compiler written in Go
 - ngaro - Embeddable Ngaro VM implementation enabling scripting in Retro
 - otto - A JavaScript interpreter written in Go
 - purl - Perl 5.18.2 embedded in Go
 
Packages for accounting and finance
- accounting - money and currency formatting for golang
 - decimal - Arbitrary-precision fixed-point decimal numbers
 - vat - VAT number validation & EU VAT rates
 
Libraries for working with forms.
- bind - Bind form data to any Go values
 - binding - Binds form and JSON data from net/http Request to struct.
 - conform - Keeps user input in check. Trims, sanitizes & scrubs data based on struct tags.
 - form - Decodes url.Values into Go value(s) and Encodes Go value(s) into url.Values. Dual Array and Full map support.
 - formam - decode form's values into a struct.
 - forms - A framework-agnostic library for parsing and validating form/JSON data which supports multipart forms and files.
 - gorilla/csrf - CSRF protection for Go web applications & services.
 - nosurf - A CSRF protection middleware for Go.
 
Awesome game development libraries.
- Azul3D - A 3D game engine written in Go
 - Ebiten - A simple SNES-style 2D game library in Go
 - engo - Engo is an open-source 2D game engine written in Go. It follows the Entity-Component-System paradigm.
 - GarageEngine - 2d game engine written in Go working on OpenGL.
 - glop - Glop (Game Library Of Power) is a fairly simple cross-platform game library.
 - go-astar - Go implementation of the A* path finding algorithm
 - go-collada - Go package for working with the Collada file format.
 - go-sdl2 - Go bindings for the Simple DirectMedia Layer.
 - go3d - A performance oriented 2D/3D math package for Go
 - gonet - A game server skeleton implemented with golang
 - Leaf - A lightweight game server framework
 - termloop - Terminal-based game engine for Go, built on top of Termbox
 
Tools to enhance the language with features like generics via code generation
- efaceconv - Code generation tool for high performance conversion from interface{} to immutable type without allocations
 - gen - Code generation tool for ‘generics’-like functionality.
 - go-linq - .NET LINQ-like query methods for Go.
 - interfaces - Command line tool for generating interface definitions.
 - pkgreflect - A Go preprocessor for package scoped reflection.
 
Tools for compiling Go to other languages
- gopherjs - A compiler from Go to JavaScript.
 - llgo - LLVM-based compiler for Go.
 - tardisgo - Golang to Haxe to CPP/CSharp/Java/JavaScript transpiler.
 
Tools for managing and working with Goroutines
- go-flow - Control goroutines execution order.
 - goworker - goworker is a Go-based background worker
 - grpool - Lightweight Goroutine pool.
 - pool - a limited consumer goroutine or unlimited goroutine pool for easier goroutine handling and cancellation.
 - semaphore - Semaphore pattern implementation with timeout of lock/unlock operations based on channel and context.
 - tunny - A goroutine pool for golang.
 
Libraries for building GUI Applications
- go-gtk - Go bindings for GTK
 - go-qml - QML support for the Go language
 - goqt - Golang bindings to the Qt cross-platform application framework.
 - gosx-notifier - OSX Desktop Notifications library for Go.
 - gotk3 - Go bindings for GTK3.
 - qt - Qt binding for Go (support for Windows / macOS / Linux / Android / iOS / Sailfish OS / Raspberry Pi)
 - sciter - Go bindings for Sciter: the Embeddable HTML/CSS/script engine for modern desktop UI development.
 - systray - Cross platform Go library to place an icon and menu in the notification area
 - trayhost - Cross-platform Go library to place an icon in the host operating system's taskbar.
 - ui - Platform-native GUI library for Go.
 - walk - Windows application library kit for Go.
 
Libraries, tools, and tutorials for interacting with hardware.
See go-hardware for a comprehensive list.
Libraries for manipulating images.
- bild - A collection of image processing algorithms in pure Go.
 - bimg - Small package for fast and efficient image processing using libvips.
 - geopattern - Create beautiful generative image patterns from a string.
 - gg - 2D rendering in pure Go.
 - gift - Package of image processing filters.
 - go-cairo - Go binding for the cairo graphics library.
 - go-gd - Go binding for GD library.
 - go-nude - Nudity detection with Go.
 - go-opencv - Go bindings for OpenCV.
 - go-webcolors - Port of webcolors library from Python to Go.
 - imagick - Go binding to ImageMagick's MagickWand C API.
 - imaginary - Fast and simple HTTP microservice for image resizing.
 - imaging - Simple Go image processing package.
 - img - A selection of image manipulation tools.
 - ln - 3D line art rendering in Go.
 - mpo - A decoder and conversion tool for MPO 3D Photos.
 - picfit - An image resizing server written in Go.
 - pt - A path tracing engine written in Go.
 - resize - Image resizing for the Go with common interpolation methods.
 - rez - Image resizing in pure Go and SIMD.
 - smartcrop - Finds good crops for arbitrary images and crop sizes.
 - svgo - Go Language Library for SVG generation.
 - tga - Package tga is a TARGA image format decoder/encoder.
 
Libraries for generating and working with log files.
- glog - Leveled execution logs for Go.
 - go-log - Log lib supports level and multi handlers.
 - go-log - A log4j implementation in Go.
 - go-logger - Simple logger of Go Programs, with level handlers.
 - gologger - Simple easy to use log lib for go, logs in Colored Cosole, Simple Console, File or Elasticsearch.
 - gone/log - Fast, extendable, full-featured, std-lib source compatible log library.
 - log - Structured logging package for Go.
 - log - Simple, configurable and scalable Structured Logging for Go.
 - log-voyage - Full-featured logging saas written in golang.
 - log15 - Simple, powerful logging for Go
 - logex - An golang log lib, supports tracking and level, wrap by standard log lib
 - logger - Minimalistic logging library for Go.
 - logrus - a structured logger for Go.
 - logrusly - logrus plug-in to send errors to a Loggly.
 - logutils - Utilities for slightly better logging in Go (Golang) extending the standard logger.
 - logxi - A 12-factor app logger that is fast and makes you happy.
 - lumberjack - Simple rolling logger, implements io.WriteCloser.
 - mlog - A simple logging module for go, with 5 levels, an optional rotating logfile feature and stdout/stderr output.
 - ozzo-log - High performance logging supporting log severity, categorization, and filtering. Can send filtered log messages to various targets (e.g. console, network, mail).
 - seelog - logging functionality with flexible dispatching, filtering, and formatting.
 - slf - The Structured Logging Facade (SLF) for Go (like SLF4J but structured and for Go)
 - slog - The reference implementation of the Structured Logging Facade (SLF) for Go
 - stdlog - Stdlog is an object-oriented library providing leveled logging. It is very useful for cron jobs.
 - tail - A Go package striving to emulate the features of the BSD tail program.
 - xlog - Plugin architecture and flexible log system for Go, with level ctrl, multiple log target and custom log format.
 - xlog - A structured logger for 
net/contextaware HTTP handlers with flexible dispatching. - zap - Fast, structured, leveled logging in Go.
 
Libraries for Machine Learning.
- bayesian - Naive Bayesian Classification for Golang.
 - CloudForest - Fast, flexible, multi-threaded ensembles of decision trees for machine learning in pure Go.
 - gago - Multi-population, flexible, parallel genetic algorithm.
 - go-fann - Go bindings for Fast Artificial Neural Networks(FANN) library.
 - go-galib - Genetic Algorithms library written in Go / golang
 - go-pr - Pattern recognition package in Go lang.
 - gobrain - Neural Networks written in go
 - godist - Various probability distributions, and associated methods.
 - goga - Genetic algorithm library for Go.
 - GoLearn - General Machine Learning library for Go.
 - golinear - liblinear bindings for Go
 - goml - On-line Machine Learning in Go
 - goRecommend - Recommendation Algorithms library written in Go.
 - gorgonia - graph-based computational library like Theano for Go that provides primitives for building various machine learning and neural network algorithms.
 - libsvm - libsvm golang version derived work based on LIBSVM 3.14.
 - mlgo - This project aims to provide minimalistic machine learning algorithms in Go.
 - neural-go - A multilayer perceptron network implemented in Go, with training via backpropagation.
 - probab - Probability distribution functions. Bayesian inference. Written in pure Go.
 - regommend - Recommendation & collaborative filtering engine
 - shield - Bayesian text classifier with flexible tokenizers and storage backends for Go
 
Libraries that implement messaging systems
- Centrifugo - Real-time messaging (Websockets or SockJS) server in Go.
 - dbus - Native Go bindings for D-Bus.
 - drone-line - Sending Line notifications using a binary, docker or Drone CI.
 - emitter - Emits events using Go way, with wildcard, predicates, cancellation possibilities and many other good wins.
 - EventBus - The lightweight event bus with async compatibility.
 - go-longpoll - PubSub with long polling.
 - go-notify - Native implementation of the freedesktop notification spec.
 - go-nsq - the official Go package for NSQ
 - gopush-cluster - gopush-cluster is a go push server cluster.
 - gorush - A push notification server using APNs2 and google GCM.
 - guble - A messaging server using push notifications (Google Firebase Cloud Messaging, Apple Push Notification services, SMS) as well as websockets, a REST API, featuring distributed operation and message-persistence.
 - machinery - An asynchronous task queue/job queue based on distributed message passing.
 - mangos - Pure go implementation of the Nanomsg ("Scalable Protocols") with transport interoperability.
 - NATS Go Client - A lightweight and high performance publish-subscribe and distributed queueing messaging system - this is the Go library.
 - oplog - A generic oplog/replication system for REST APIs
 - pubsub - A simple pubsub package for go.
 - RapidMQ - RapidMQ is a lightweight and reliable library for managing of the local messages queue
 - sarama - A Go library for Apache Kafka.
 - Uniqush-Push - A redis backed unified push service for server-side notifications to mobile devices.
 - zmq4 - A Go interface to ZeroMQ version 4. Also available for version 3 and version 2.
 
These libraries were placed here because none of the other categories seemed to fit
- afero - A FileSystem Abstraction System for Go.
 - archiver - Library and command for making and extracting .zip and .tar.gz archives
 - autoflags - Go package to automatically define command line flags from struct fields.
 - banner - Add beautiful banners into your Go applications.
 - battery - A cross-platform, normalized battery information library.
 - bitio - Highly optimized bit-level Reader and Writer for Go.
 - browscap_go - GoLang Library for Browser Capabilities Project.
 - conv - Package conv provides fast and intuitive conversions across Go types.
 - datacounter - Go counters for readers/writer/http.ResponseWriter.
 - errors - A package that provides simple error handling primitives.
 - go-chat-bot - IRC, Slack & Telegram bot written in Go.
 - go-commons-pool - A generic object pool for Golang.
 - go-multierror - A Go (golang) package for representing a list of errors as a single error.
 - go-openapi - A collection of packages to parse and utilize open-api schemas
 - go-shortid - Distributed generation of super short, unique, non-sequential, URL friendly IDs.
 - go.uuid - Implementation of Universally Unique Identifier (UUID). Supported both creation and parsing of UUIDs.
 - gopsutil - A cross-platform library for retrieving process and system utilization(CPU, Memory, Disks, etc).
 - gosms - Your own local SMS gateway in Go that can be used to send SMS
 - gountries - A package that exposes country and subdivision data.
 - hanu - Framework for writing Slack bots.
 - health - A Easy to use, extensible health check library.
 - indigo - A distributed unique ID generator of using Sonyflake and encoded by Base58.
 - jobs - A persistent and flexible background jobs library.
 - margelet - A framework for building Telegram bots.
 - notify - File system event notification library with simple API, similar to os/signal.
 - secdl - Lighttpd ModSecDownload algorithm ported to go to secure download urls.
 - stats - Monitors Go MemStats + System stats such as Memory, Swap and CPU and sends via UDP anywhere you want for logging etc...
 - werr - Error Wrapper creates an wrapper for the error type in Go which captures the File, Line and Stack of where it was called.
 - xkg - X Keyboard Grabber
 - xstrings - A collection of useful string functions ported from other languages.
 
Libraries for working with human languages.
- dpar - Transition-based statistical dependency parser.
 - go-eco - Similarity, dissimilarity and distance matrices; diversity, equitability and inequality measures; species richness estimators; coenocline models.
 - go-i18n - A package and an accompanying tool to work with localized text.
 - go-mystem - CGo bindings to Yandex.Mystem - russian morphology analyzer.
 - go-nlp - Utilities for working with discrete probability distributions and other tools useful for doing NLP work.
 - go-stem - Implementation of the porter stemming algorithm.
 - go-unidecode - ASCII transliterations of Unicode text.
 - go2vec - Reader and utility functions for word2vec embeddings.
 - gojieba - This is a Go implementation of jieba which a Chinese word splitting algorithm.
 - golibstemmer - Go bindings for the snowball libstemmer library including porter 2
 - gounidecode - Unicode transliterator (also known as unidecode) for Go
 - icu - Cgo binding for icu4c C library detection and conversion functions. Guaranteed compatibility with version 50.1.
 - libtextcat - Cgo binding for libtextcat C library. Guaranteed compatibility with version 2.2.
 - MMSEGO - This is a GO implementation of MMSEG which a Chinese word splitting algorithm.
 - paicehusk - Golang implementation of the Paice/Husk Stemming Algorithm
 - porter - This is a fairly straightforward port of Martin Porter's C implementation of the Porter stemming algorithm.
 - porter2 - Really fast Porter 2 stemmer.
 - RAKE.go - A Go port of the Rapid Automatic Keyword Extraction Algorithm (RAKE)
 - segment - A Go library for performing Unicode Text Segmentation as described in Unicode Standard Annex #29
 - sentences - A sentence tokenizer: converts text into a list of sentences.
 - snowball - Snowball stemmer port (cgo wrapper) for Go. Provides word stem extraction functionality Snowball native.
 - stemmer - Stemmer packages for Go programming language. Includes English and German stemmers.
 - textcat - A Go package for n-gram based text categorization, with support for utf-8 and raw text
 
Libraries for working with various layers of the network
- arp - Package arp implements the ARP protocol, as described in RFC 826.
 - buffstreams - Streaming protocolbuffer data over TCP made easy
 - canopus - CoAP Client/Server implementation (RFC 7252)
 - dhcp6 - Package dhcp6 implements a DHCPv6 server, as described in RFC 3315.
 - dns - Go library for working with DNS
 - ether - A cross-platform Go package for sending and receiving ethernet frames.
 - ethernet - Package ethernet implements marshaling and unmarshaling of IEEE 802.3 Ethernet II frames and IEEE 802.1Q VLAN tags.
 - fasthttp - Package fasthttp is a fast HTTP implementation for Go, up to 10 times faster than net/http
 - ftp - Package ftp implements a FTP client as described in RFC 959.
 - go-getter - A Go library for downloading files or directories from various sources using a URL.
 - go-stun - A go implementation of the STUN client (RFC 3489 and RFC 5389).
 - gobgp - BGP implemented in the Go Programming Language.
 - golibwireshark - Package golibwireshark use libwireshark library to decode pcap file and analyse dissection data.
 - gopacket - A Go library for packet processing with libpcap bindings
 - gopcap - A Go wrapper for libpcap
 - goshark - Package goshark use tshark to decode IP packet and create data struct to analyse packet.
 - gosnmp - Native Go library for performing SNMP actions
 - gotcp - A Go package for quickly writing tcp applications
 - grab - Go package for managing file downloads
 - graval - An experimental FTP server framework.
 - jazigo - Jazigo is a tool written in Go for retrieving configuration for multiple network devices.
 - kcp-go - KCP - A Fast and Reliable ARQ Protocol.
 - kcptun - An extremely simple & fast udp tunnel based on KCP protocol
 - lhttp - A powerful websocket framework, build your IM server more easily.
 - linkio - Network link speed simulation for Reader/Writer interfaces
 - llb - It's a very simple but quick backend for proxy servers. Can be useful for fast redirection to predefined domain with zero memory allocation and fast response.
 - mdns - Simple mDNS (Multicast DNS) client/server library in Golang
 - mqttPaho - The Paho Go Client provides an MQTT client library for connection to MQTT brokers via TCP, TLS or WebSockets.
 - portproxy - Simple TCP proxy which adds CORS support to API's which don't support it.
 - publicip - Package publicip returns your public facing IPv4 address (internet egress).
 - raw - Package raw enables reading and writing data at the device driver level for a network interface.
 - sftp - Package sftp implements the SSH File Transfer Protocol as described in https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt.
 - ssh - Higher-level API for building SSH servers (wraps crypto/ssh).
 - sslb - It's a Super Simples Load Balancer, just a little project to achieve some kind of performance.
 - tcp_server - A Go library for building tcp servers faster.
 - utp - Go uTP micro transport protocol implementation.
 - winrm - A Go WinRM client to remotely execute commands on Windows machines
 - xtcp - A TCP Server Framework with simultaneous full duplex communication,graceful shutdown,custom protocol.
 
Libraries for using OpenGL in Go.
- gl - Go bindings for OpenGL (generated via glow).
 - glfw - Go bindings for GLFW 3.
 - goxjs/gl - Go cross-platform OpenGL bindings (OS X, Linux, Windows, browsers, iOS, Android).
 - goxjs/glfw - Go cross-platform glfw library for creating an OpenGL context and receiving events.
 - mathgl - Pure Go math package specialized for 3D math, with inspiration from GLM.
 
Libraries that implement Object-Relational Mapping or datamapping techniques.
- beego orm - A powerful orm framework for go. Support: pq/mysql/sqlite3.
 - go-pg - PostgreSQL ORM with focus on PostgreSQL specific features and performance.
 - go-store - A simple and fast Redis backed key-value store library for Go.
 - gomodel - A lightweight, fast, orm-like library helps interactive with database.
 - GORM - The fantastic ORM library for Golang, aims to be developer friendly.
 - gorp - Go Relational Persistence, ORM-ish library for Go.
 - pop/soda - Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.
 - QBS - Stands for Query By Struct. A Go ORM.
 - reform - A better ORM for Go, based on non-empty interfaces and code generation.
 - SQLBoiler - An ORM generator. Generate a featureful and blazing-fast ORM tailored to your database schema.
 - Storm - Simple and powerful ORM for BoltDB.
 - upper.io/db - Single interface for interacting with different data sources through the use of adapters that wrap mature database drivers.
 - Xorm - Simple and powerful ORM for Go.
 - Zoom - A blazing-fast datastore and querying engine built on Redis.
 
Libraries for package and dependency management.
- gigo - PIP-like dependency tool for golang, with support for private repositories and hashes.
 - glide - Manage your golang vendor and vendored packages with ease. Inspired by tools like Maven, Bundler, and Pip.
 - godep - dependency tool for go, godep helps build packages reproducibly by fixing their dependencies.
 - gom - Go Manager - bundle for go.
 - goop - A simple dependency manager for Go (golang), inspired by Bundler.
 - gopm - Go Package Manager
 - govendor - Go Package Manager. Go vendor tool that works with the standard vendor file.
 - gpm - Barebones dependency manager for Go.
 - gvt - 
gvtis a simple vendoring tool made for Go native vendoring (aka GO15VENDOREXPERIMENT), based on gb-vendor. - johnny-deps - Minimal dependency version using Git
 - nut - Vendor Go dependencies
 - VenGO - create and manage exportable isolated go virtual environments
 
- graphql - graphql parser + utilities.
 - graphql - GraphQL implementation in go.
 - graphql-go - An implementation of GraphQL for Go.
 - jsonql - JSON query expression library in Golang.
 
- esc - Embeds files into Go programs and provides http.FileSystem interfaces to them.
 - fileb0x - Simple tool to embed files in go with focus on "customization" and ease to use.
 - go-bindata - Package that converts any file into managable Go source code.
 - go-embed - Generates go code to embed resource files into your library or executable
 - go-resources - Unfancy resources embedding with Go.
 - go.rice - go.rice is a Go package that makes working with resources such as html,js,css,images and templates very easy.
 - statics - Embeds static resources into go files for single binary compilation + works with http.FileSystem + symlinks.
 - statik - Embeds static files into a Go executable
 - vfsgen - Generates a vfsdata.go file that statically implements the given virtual filesystem.
 
Libraries for scientific computing and data analyzing.
- blas - Implementation of BLAS (Basic Linear Algebra Subprograms)
 - chart - Simple Chart Plotting library for Go. Supports many graphs types.
 - evaler - A simple floating point arithmetic expression evaluator
 - ewma - Exponentially-weighted moving averages
 - geom - 2D geometry for golang
 - go-dsp - Digital Signal Processing for Go
 - go-fn - Mathematical functions written in Go language, that are not covered by math pkg
 - go-gt - Graph theory algorithms written in "Go" language
 - go.matrix - linear algebra for go (has been stalled)
 - gocomplex - A complex number library for the Go programming language.
 - gofrac - A (goinstallable) fractions library for go with support for basic arithmetic.
 - gohistogram - Approximate histograms for data streams
 - gonum/mat64 - The general purpose package for matrix computation. Package mat64 provides basic linear algebra operations for float64 matrices.
 - gonum/plot - gonum/plot provides an API for building and drawing plots in Go.
 - goraph - A pure Go graph theory library(data structure, algorith visualization)
 - gostat - A statistics library for the go language
 - mudlark-go - A collection of packages providing (hopefully) useful code for use in software using Google's Go programming language.
 - ode - An ordinary differential equation (ODE) solver which supports extended states and channel-based iteration stop conditions.
 - pagerank - Weighted PageRank algorithm implemented in Go
 - PiHex - Implementation of the "Bailey-Borwein-Plouffe" algorithm for the hexadecimal number Pi
 - stats - A statistics package with common functions missing from the Golang standard library.
 - streamtools - general purpose, graphical tool for dealing with streams of data.
 - 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)
 
Libraries that are used to help make your application more secure.
- acmetool — ACME (Let's Encrypt) client tool with automatic renewal.
 - BadActor - An in-memory, application-driven jailer built in the spirit of fail2ban
 - go-yara - Go Bindings for YARA, the "pattern matching swiss knife for malware researchers (and everyone else)"
 - lego - Pure Go ACME client library and CLI tool (for use with Let's Encrypt)
 - passlib - Futureproof password hashing library.
 - simple-scrypt - an scrypt package with a simple, obvious API and automatic cost calibration built-in.
 
Libraries and tools for binary serialization
- asn1 - Asn.1 BER and DER encoding library for golang
 - colfer - Code generation for the Colfer binary format
 - go-capnproto - Cap'n Proto library and parser for go
- bambam - generator for Cap'n Proto schemas from go.
 
 - go-codec - High Performance, feature-Rich, idiomatic encode, decode and rpc library for msgpack, cbor and json, with runtime-based OR code-generation support
 - gogoprotobuf - Protocol Buffers for Go with Gadgets
 - goprotobuf - Go support, in the form of a library and protocol compiler plugin, for Google's protocol buffers.
 - mapstructure - Go library for decoding generic map values into native Go structures.
 - php_session_decoder - GoLang library for working with PHP session format and PHP Serialize/Unserialize functions
 - structomap - Library to easily and dynamically generate maps from static structures.
 
- algernon - HTTP/2 web server with built-in support for Lua, Markdown, GCSS and Amber.
 - Caddy - Caddy is an alternative, HTTP/2 web server that's easy to configure and use.
 - consul - Consul is a tool for service discovery, monitoring and configuration.
 - devd - A local webserver for developers
 - etcd - A highly-available key value store for shared configuration and service discovery.
 - minio - Minio is a distributed object storage server.
 - nsq - A realtime distributed messaging platform
 - yakvs - A small, networked, in-memory key-value store.
 
Libraries and tools for templating and lexing.
- ace - Ace is an HTML template engine for Go, inspired by Slim and Jade. Ace is a refinement of Gold.
 - amber - Amber is an elegant templating engine for Go Programming Language It is inspired from HAML and Jade.
 - damsel - Markup language featuring html outlining via css-selectors, extensible via pkg html/template and others.
 - ego - A lightweight templating language that lets you write templates in Go. Templates are translated into Go and compiled.
 - fasttemplate - Simple and fast template engine. Substitutes template placeholders up to 10x faster than text/template.
 - gofpdf - A PDF document generator with high level support for text, drawing and images.
 - jet - Jet template engine
 - kasia.go - Templating system for HTML and other text documents - go implementation.
 - mustache - A Go implementation of the Mustache template language.
 - pongo2 - A Django-like template-engine for Go.
 - quicktemplate - Fast, powerful, yet easy to use template engine. Converts templates into Go code and then compiles it.
 - raymond - A complete handlebars implementation in Go.
 - Razor - Razor view engine for Golang.
 - Soy - Closure templates (aka Soy templates) for Go, following the official spec
 - velvet - A complete handlebars implementation in Go.
 
Libraries for testing codebases and generating test data.
- 
Testing Frameworks
- assert - Basic Assertion Library used along side native go testing, with building blocks for custom assertions
 - badio - Extensions to Go's 
testing/iotestpackage - baloo - Expressive and versatile end-to-end HTTP API testing made easy.
 - bro - Watch files in directory and run tests for them
 - dsunit - Datastore testing for SQL, NoSQL, structured files.
 - frisby - a REST API testing framework
 - ginkgo - BDD Testing Framework for Go
 - go-carpet - Tool for viewing test coverage in terminal
 - go-mutesting - Mutation testing for Go source code
 - go-vcr - Record and replay your HTTP interactions for fast, deterministic and accurate tests
 - goblin - Mocha like testing framework fo Go
 - gocheck - A more advanced testing framework alternative to gotest.
 - GoConvey - BDD-style framework with web UI and live reload
 - godog - Cucumber or Behat like BDD framework for Go.
 - gofight - API Handler Testing for Golang Router framework.
 - gomega - Rspec like matcher/assertion library.
 - GoSpec - BDD-style testing framework for the Go programming language.
 - gospecify - This provides a BDD syntax for testing your Go code. It should be familiar to anybody who has used libraries such as rspec.
 - gosuite - Brings lightweight test suites with setup/teardown facilities to 
testingby leveraging Go1.7's Subtests - Hamcrest - fluent framework for declarative Matcher objects that, when applied to input values, produce self-describing results.
 - httpexpect - Concise, declarative, and easy to use end-to-end HTTP and REST API testing
 - restit - A Go micro framework to help writing RESTful API integration test.
 - testfixtures - A helper for Rails' like test fixtures to test database applications.
 - Testify - A sacred extension to the standard go testing package.
 
 - 
Mock
- counterfeiter - Tool for generating self-contained mock objects
 - go-sqlmock - Mock SQL driver for testing database interactions
 - go-txdb - Single transaction based database driver mainly for testing purposes.
 - gock - Versatile HTTP mocking made easy.
 - gomock - Mocking framework for the Go programming language.
 - govcr - HTTP mock for Golang: record and replay HTTP interactions for offline testing
 - mockhttp - Mock object for Go http.ResponseWriter
 
 - 
Fuzzing and delta-debugging/reducing/shrinking
 
Libraries for parsing and manipulating texts.
- Specific Formats
- allot - Placeholder and wildcard text parsing for CLI tools and bots
 - bbConvert - Converts bbCode to HTML that allows you to add support for custom bbCode tags
 - blackfriday - Markdown processor in Go
- github_flavored_markdown - GitHub Flavored Markdown renderer with fenced code block highlighting, clickable header anchor links.
 
 - bluemonday - HTML Sanitizer
 - editorconfig-core-go - Editorconfig file parser and manipulator for Go
 - enca - Minimal cgo bindings for libenca.
 - genex - Count and expand Regular Expressions into all matching Strings
 - go-humanize - Formatters for time, numbers, and memory size to human readable format.
 - go-nmea - NMEA parser library for the Go language.
 - go-pkg-rss - This package reads RSS and Atom feeds and provides a caching mechanism that adheres to the feed specs.
 - 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 - Functions to get fixed width of the character or string.
 - go-slugify - Make pretty slug with multiple languages support.
 - gofeed - Parse RSS and Atom feeds in Go
 - gographviz - Parses the Graphviz DOT language.
 - gommon/bytes - Format bytes to string.
 - gonameparts - Parses human names into individual name parts
 - GoQuery - GoQuery brings a syntax and a set of features similar to jQuery to the Go language.
 - goregen - A library for generating random strings from regular expressions.
 - gotext - GNU gettext utilities for Go.
 - guesslanguage - Functions to determine the natural language of a unicode text.
 - inject - Package inject provides a reflect based injector.
 - mxj - Encode / decode XML as JSON or map[string]interface{}; extract values with dot-notation paths and wildcards. Replaces x2j and j2x packages.
 - sh - A shell parser and formatter
 - slug - URL-friendly slugify with multiple languages support.
 - Slugify - A Go slugify application that handles string.
 - toml - TOML configuration format (encoder/decoder with reflection).
 
 - Utility
- gotabulate - Easily pretty-print your tabular data with Go.
 - kace - Common case conversions covering common initialisms.
 - parseargs-go - A string argument parser that understands quotes and backslashes
 - parth - URL path segmentation parsing.
 - xurls - Extract urls from text
 
 
Libraries for accessing third party APIs.
- amazon-product-advertising-api - Go Client Library for Amazon Product Advertising API
 - anaconda - A Go client library for the Twitter 1.1 API
 - aws-sdk-go - The official AWS SDK for the Go programming language.
 - brewerydb - Go library for accessing the BreweryDB API.
 - cachet - Go client library for Cachet (open source status page system)
 - circleci - A Go client library for interacting with CircleCI's API
 - clarifai - A Go client library for interfacing with the Clarifai API.
 - discordgo - Go bindings for the Discord Chat API
 - facebook - Go Library that supports the Facebook Graph API
 - fcm - Go library for Firebase Cloud Messaging
 - gads - Google Adwords Unofficial API
 - gami - Go library for Asterisk Manager Interface.
 - gcm - Go library for Google Cloud Messaging
 - geo-golang - Go Library to access Google Maps, MapQuest, Nominatim, OpenCage, HERE, Bing, Mapbox, and OpenStreetMap geocoding / reverse geocoding APIs.
 - ghost - Go Library for accessing the Snapchat API.
 - github - Go library for accessing the GitHub API.
 - go-imgur - Go client library for imgur
 - go-jira - Go client library for Atlassian JIRA
 - go-marathon - A Go library for interacting with Mesosphere's Marathon PAAS.
 - go-trending - Go library for accessing trending repositories and developers at Github.
 - go-twitch - A Go client for interacting with the Twitch v3 API.
 - go-twitter - Go client library for the Twitter v1.1 APIs.
 - go-xkcd - Go client for the xkcd API.
 - goamz - Popular fork of goamz which adds some missing API calls to certain packages.
 - golyrics - Golyrics is a Go library to fetch music lyrics data from the Wikia website.
 - GoMusicBrainz - a Go MusicBrainz WS2 client library.
 - google - Auto-generated Google APIs for Go.
 - google-analytics - A simple wrapper for easy google analytics reporting.
 - google-cloud - Google Cloud APIs Go Client Library.
 - google-email-audit-api - Go client library for Google G Suite Email Audit API.
 - 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 - This project implements a golang client library for the Hipchat API.
 - hipchat (xmpp) - A golang package to communicate with HipChat over XMPP.
 - Medium - A Golang SDK for Medium's OAuth2 API.
 - megos - A client library for accessing an Apache Mesos cluster
 - micha - Go Library for Telegram bot api.
 - minio-go - Minio Go Library for Amazon S3 compatible cloud storage.
 - mixpanel - Mixpanel is a library for tracking events and sending Mixpanel profile updates to Mixpanel from your go applications.
 - paypal - Wrapper for PayPal payment API
 - playlyfe - The Playlyfe Rest API Go SDK
 - pushover - Go wrapper for the Pushover API.
 - rrdaclient - Go Library to access statdns.com API, which is in turn RRDA API. DNS Queries over HTTP.
 - shopify - Go Library to make CRUD request to the Shopify API.
 - slack - Slack API in Go.
 - smite - Go package to wraps access to the Smite game API.
 - spotify - Go Library to access Spotify WEB API.
 - steam - Go Library to interact with Steam game servers.
 - stripe - Go client for the Stripe API
 - tbot - Telegram bot server with API similar to net/http.
 - telebot - Telegram bot framework written in Go.
 - telegram-bot-api - Simple and clean Telegram bot client.
 - telegraph - Telegraph publishing platform API client.
 - textbelt - Go client for the textbelt.com txt messaging API.
 - TheMovieDb - A simple golang package to communicate with themoviedb.org
 - translate - Go online translation package.
 - tumblr - Go wrapper for the Tumblr v2 API.
 - webhooks - Webhook receiver for GitHub and Bitbucket.
 
General utilities and tools to make your life easier.
- abutil - A collection of often-used Golang helpers.
 - apm - A process manager for Golang applications with an HTTP API.
 - boilr - A blazingly fast CLI tool for creating projects from boilerplate templates.
 - command - Command pattern for Go with thread safe serial and parallel dispatcher
 - coop - Cheat sheet for some of the common concurrent flows in Go.
 - Death - Managing go application shutdown with signals.
 - Deepcopier - Simple struct copying for Go.
 - delve - Go debugger.
 - dlog - Compile-time controlled logger to make your release smaller without removing debug calls.
 - excelize - Golang library for reading and writing Microsoft Excel (XLSX) files.
 - fastlz - Wrap over FastLz (free, open-source, portable real-time compression library) for GoLang.
 - filetype - Small package to infer the file type checking the magic numbers signature.
 - fzf - A command-line fuzzy finder written in Go
 - generate - runs go generate recursively on a specified path or environment variable and can filter by regex.
 - gentleman - Full-featured plugin-driven HTTP client library.
 - git-time-metric - Simple, seamless, lightweight time tracking for Git
 - go-bind-plugin - go:generate tool for wrapping symbols exported by golang plugins (1.8 only)
 - 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 - Conditional debug logging for Golang libraries & applications.
 - go-dry - DRY (don't repeat yourself) package for Go.
 - go-rate - A timed rate limiter for Go.
 - go-sitemap-generator - XML Sitemap generator written in Go.
 - go-torch - Stochastic flame graph profiler for Go programs.
 - go-trigger - Go-lang global event triggerer, Register Events with an id and trigger the event from anywhere from your project.
 - go-underscore - A useful collection of helpfully functional Go collection utilities.
 - goback - Go simple exponential backoff package.
 - godaemon - Utility to write daemons.
 - godotenv - A Go port of Ruby's dotenv library (Loads environment variables from 
.env.) - godropbox - Common libraries for writing Go services/applications from Dropbox.
 - gohper - Various tools/modules help for development.
 - gojq - JSON query in Golang.
 - golarm - Fire alarms with system events.
 - golog - Easy and lightweight CLI tool to time track your tasks.
 - gopencils - Small and simple package to easily consume REST APIs.
 - goplaceholder - a small golang lib to generate placeholder images.
 - goreq - Minimal and simple request library for Go language.
 - goreq - An enhanced simplified HTTP client based on gorequest.
 - gorequest - Simplified HTTP client with rich features for Go.
 - gotenv - Load environment variables from 
.envor anyio.Readerin Go - grequests - An elegant and simple 
net/httpwrapper that follows Python's requests library - htcat - Parallel and Pipelined HTTP GET Utility
 - httpcontrol - Package httpcontrol allows for HTTP transport level control around timeouts and retries.
 - hystrix-go - Implements Hystrix patterns of programmer-defined fallbacks aka circuit breaker.
 - JobRunner - Smart and featureful cron job scheduler with job queuing and live monitoring built in.
 - jsonapi-errors - Go bindings based on the JSON API errors reference.
 - jsonf - Console tool for highlighted formatting and struct query fetching JSON.
 - jsongo - Fluent API to make it easier to create Json objects.
 - kazaam - API for arbitrary transformation of JSON documents.
 - lrserver - LiveReload server for Go
 - mc - Minio Client provides minimal tools to work with Amazon S3 compatible cloud storage and filesystems.
 - mergo - A helper to merge structs and maps in Golang. Useful for configuration default values, avoiding messy if-statements.
 - minify - Fast minifiers for HTML, CSS, JS, XML, JSON and SVG file formats.
 - moldova - A utility for generating random data based on an input template.
 - mp - A simple cli email parser. It currently takes stdin and outputs JSON.
 - multitick - Multiplexor for aligned tickers.
 - netbug - Easy remote profiling of your services.
 - ngrok - Introspected tunnels to localhost.
 - okrun - go run error steamroller.
 - panicparse - Groups similar goroutines and colorizes stack dump.
 - peco - Simplistic interactive filtering tool.
 - pester - Go HTTP client calls with retries, backoff, and concurrency.
 - pm - Process (i.e. goroutine) manager with an HTTP API.
 - profile - Simple profiling support package for Go.
 - realize - Go build system with file watchers and live reload. Run, build and watch file changes with custom paths.
 - request - Go HTTP Requests for Humans™.
 - rerate - Redis-based rate counter and rate limiter for Go.
 - rerun - Recompiling and rerunning go apps when source changes.
 - resty - Simple HTTP and REST client for Go inspired by Ruby rest-client.
 - robustly - Runs functions resiliently, catching and restarting panics.
 - scheduler - Cronjobs scheduling made easy.
 - sling - Go HTTP requests builder for API clients.
 - spinner - Go package to easily provide a terminal spinner with options.
 - sqlx - provides a set of extensions on top of the excellent built-in database/sql package.
 - toolbox - Slice, map, multimap, struct, function, data conversion utilities. Service router, macro evaluator, tokenizer.
 - ugo - ugo is slice toolbox with concise syntax for Go.
 - xferspdy - Xferspdy provides binary diff and patch library in golang
 - xlsx - Library to simplify reading the XML format used by recent version of Microsoft Excel in Go programs.
 
Libraries for validation.
- govalidator - Validators and sanitizers for strings, numerics, slices and structs.
 - ozzo-validation - Supports validation of various data types (structs, strings, maps, slices, etc.) with configurable and extensible validation rules specified in usual code constructs instead of struct tags.
 - validate - This package provides a framework for writing validations for Go applications.
 - validator - Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving.
 
Libraries for version control.
- gh - Scriptable server and net/http middleware for GitHub Webhooks.
 - git2go - Go bindings for libgit2.
 - go-vcs - manipulate and inspect VCS repositories in Go.
 - hgo - Hgo is a collection of Go packages providing read-access to local Mercurial repositories.
 
Libraries for manipulating video.
- gmf - Go bindings for FFmpeg av* libraries.
 - goav - Comphrensive Go bindings for FFmpeg.
 - gst - Go bindings for GStreamer.
 - v4l - A video capture library for Linux, written in Go.
 
Full stack web frameworks.
- alien - A lightweight and fast http router from outer space
 - Beego - beego is an open-source, high-performance web framework for the Go programming language.
 - Bone - Lightning Fast HTTP Multiplexer.
 - Buffalo - Bringing the productivity of Rails to Go!
 - Bxog - Simple and fast HTTP router for Go. It works with routes of varying difficulty, length and nesting. And he knows how to create a URL from the received parameters.
 - chi - Small, fast and expressive HTTP router built on net/context.
 - Echo - High performance, minimalist Go web framework.
 - fasthttprouter - A high performance router forked from 
httprouter. The first router fit forfasthttp. - Fireball - A more "natural" feeling web framework.
 - Florest - High-performance workflow based REST API framework
 - Gem - A simple and fast web framework, friendly to REST API.
 - 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 - Microservice toolkit used by the New York Times.
 - Glue - Robust Go and Javascript Socket Library (Alternative to Socket.io).
 - go-json-rest - A quick and easy way to setup a RESTful JSON API.
 - go-kit - A Microservice toolkit with support for service discovery, load balancing, pluggable transports, request tracking, etc.
 - go-relax - A framework of pluggable components to build RESTful API's.
 - go-rest - A small and evil REST framework for Go.
 - go-socket.io - socket.io library for golang, a realtime application framework.
 - goa - Framework for developing microservices based on the design of Ruby's Praxis.
 - Goat - A minimalistic REST API server in Go.
 - gocraft/web - A mux and middleware package in Go.
 - Goji - Goji is a minimalistic and flexible HTTP request multiplexer with support for 
net/context. - Golf - Golf is a fast, simple and lightweight micro-web framework for Go. It comes with powerful features and has no dependencies other than the Go Standard Library.
 - golongpoll - HTTP longpoll server library that makes web pub-sub simple.
 - Gondola - The web framework for writing faster sites, faster
 - gongular - A fast Go web framework with input mapping/validation and (DI) Dependency Injection
 - goose - Server Sent Events in Go
 - Gorilla - Gorilla is a web toolkit for the Go programming language.
 - httprouter - A high performance router. Use this and the standard http handlers to form a very high performance web framework.
 - httptreemux - High-speed, flexible tree-based HTTP router for Go. Inspiration from httprouter.
 - lars - Is a lightweight, fast and extensible zero allocation HTTP router for Go used to create customizable frameworks.
 - Macaron - Macaron is a high productive and modular design web framework in Go.
 - mango - Mango is a modular web-application framework for Go, inspired by Rack, and PEP333.
 - medeina - Medeina is a HTTP routing tree based on HttpRouter, inspired by Roda and Cuba.
 - Microservice - The framework for the creation of microservices, written in Golang.
 - mux - A powerful URL router and dispatcher for golang.
 - neo - Neo is minimal and fast Go Web Framework with extremely simple API.
 - ozzo-routing - A high-performance HTTP router and Web framework supporting routes with regular expressions. Comes with full support for quickly building a RESTful API application.
 - pat - Sinatra style pattern muxer for Go’s net/http library, by the author of Sinatra.
 - Resoursea - A REST framework for quickly writing resource based services.
 - REST Layer - A framework to build REST/GraphQL API on top of databases with mostly configuration over code.
 - Revel - A high-productivity web framework for the Go language.
 - rex - Rex is a library for modular development built upon gorilla/mux, fully compatible with 
net/http. - sawsij - lightweight, open-source web framework for building high-performance, data-driven web applications.
 - session - Go session management for web servers (including support for Google App Engine - GAE).
 - Siesta - Composable framework to write middleware and handlers
 - tango - Micro & pluggable web framework for Go.
 - tigertonic - A Go framework for building JSON web services inspired by Dropwizard
 - traffic - Sinatra inspired regexp/pattern mux and web framework for Go.
 - utron - A lightweight MVC framework for Go(Golang).
 - VarHandler - Generate boilerplate http input and ouput handling.
 - vestigo - A performant, stand-alone, HTTP compliant URL Router for go web applications.
 - Volatile - Minimalist middleware stack promoting flexibility, good practices and clean code.
 - xmux - A high performance muxer based on 
httprouterwithnet/contextsupport. - YARF - Fast micro-framework designed to build REST APIs and web services in a fast and simple way.
 - Zerver - Zerver is an expressive, modular, feature completed RESTful framework.
 - zeus - A very simple and fast HTTP router for Go.
 
- CORS - Easily add CORS capabilities to your API.
 - formjson - Transparently handle JSON input as a standard form POST.
 - Limiter - Dead simple rate limit middleware for Go.
 - Tollbooth - Rate limit HTTP request handler.
 - XFF - Handle 
X-Forwarded-Forheader and friends. 
- alice - Painless middleware chaining for Go.
 - catena - http.Handler wrapper catenation (same API as "chain").
 - chain - Handler wrapper chaining with scoped data (net/context-based "middleware").
 - go-wrap - Small middlewares package for net/http.
 - gores - Go package that handles HTML, JSON, XML and etc. responses. Useful for RESTful APIs.
 - interpose - Minimalist net/http middleware for golang.
 - muxchain - Lightweight middleware for net/http.
 - negroni - Idiomatic HTTP middleware for Golang.
 - render - Go package for easily rendering JSON, XML, and HTML template responses.
 - rye - Tiny Go middleware library (with canned Middlewares) that supports JWT, CORS, Statsd, and Go 1.7 context
 - stats - A Go middleware that stores various information about your web application.
 
Go software and plugins.
- apicompat - Checks recent changes to a Go project for backwards incompatible changes.
 - dupl - A tool for code clone detection.
 - errcheck - Errcheck is a program for checking for unchecked errors in Go programs.
 - gcvis - Visualise Go program GC trace data in real time.
 - Go Metalinter - Metalinter is a tool to automatically apply all static analysis tool and report their output in normalized form.
 - go-checkstyle checkstyle is a style check tool like java checkstyle. This tool inspired by java checkstyle, golint. The style refered to some points in Go Code Review Comments.
 - go-outdated - Console application that displays outdated packages.
 - goast-viewer - Web based Golang AST visualizer.
 - GoCover.io - GoCover.io offers the code coverage of any golang package as a service.
 - goimports - Tool to fix (add, remove) your Go imports automatically.
 - GoLint - Golint is a linter for Go source code.
 - Golint online - Lints online Go source files on GitHub, Bitbucket and Google Project Hosting using the golint package.
 - goreturns - Adds zero-value return statements to match the func return types.
 - gostatus - A command line tool, shows the status of repositories that contain Go packages.
 - interfacer - A linter that suggests interface types.
 - lint - Run linters as part of go test
 - validate - Automatically validates struct fields with tags.
 
- go-lang-idea-plugin Go plugin for IntelliJ IDEA.
 - go-plus - Go (Golang) Package For Atom That Adds Autocomplete, Formatting, Syntax Checking, Linting and Vetting
 - Goclipse - An Eclipse plugin for Go.
 - gocode - An autocompletion daemon for the Go programming language.
 - GoSublime - A Golang plugin collection for the text editor SublimeText 2 providing code completion and other IDE-like features.
 - velour - An IRC client for the acme editor.
 - vim-compiler-go - A Vim plugin to highlight syntax errors on save.
 - vim-go - Go development plugin for Vim.
 - Watch - Runs a command in an acme win on file changes.
 
- colorgo - A wrapper around 
gocommand for colorizedgo buildoutput. - gb - An easy to use project based build tool for the Go programming language.
 - go-callvis - Visualize call graph of your Go program using dot format.
 - go-pkg-complete - Bash completion for go and wgo.
 - go-swagger - Swagger 2.0 implementation for go. Swagger is a simple yet powerful representation of your RESTful API.
 - rts - RTS: response to struct. Generates Go structs from server responses.
 
Software written in Go.
- aptly - aptly is a Debian repository management tool.
 - aurora - Cross-platform web-based Beanstalkd queue server console.
 - awsenv - a small binary that loads Amazon (AWS) environment variables for a profile.
 - Banshee - Anomalies detection system for periodic metrics.
 - bosun - Time Series Alerting Framework.
 - dogo - Monitoring changes in the source file and automatically compile and run (restart).
 - drone-scp - Copy files and artifacts via SSH using a binary, docker or Drone CI.
 - Dropship - A tool for deploying code via cdn.
 - EasySSH - Golang package for easy remote execution through SSH and SCP downloading.
 - Gitea - A fork of Gogs, entirely community driven.
 - Go Metrics - Go port of Coda Hale's Metrics library: https://github.com/codahale/metrics.
 - go-selfupdate - Enable your Go applications to self update.
 - gobrew - gobrew lets you easily switch between multiple versions of go.
 - godbg - Web-based gdb front-end application.
 - Gogs - A Self Hosted Git Service in the Go Programming Language.
 - 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.
 - govvv - A “go build” wrapper to easily add version information into Go binaries
 - gox - A dead simple, no frills Go cross compile tool.
 - goxc - build tool for Go, with a focus on cross-compiling and packaging.
 - grapes - lightweight tool designed to distribute commands over ssh with ease.
 - GVM - GVM provides an interface to manage Go versions.
 - Hey - Hey is a tiny program that sends some load to a web application.
 - kala - Simplistic, modern, and performant job scheduler.
 - kubernetes - Container Cluster Manager from Google.
 - Mora - REST server for accessing MongoDB documents and meta data.
 - ostent - collects and displays system metrics and optionally relays to Graphite and/or InfluxDB.
 - Packer - Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.
 - Rodent - Rodent helps you manage Go versions, projects and track dependencies.
 - s3gof3r - A small utility/library optimized for high speed transfer of large objects into and out of Amazon S3.
 - Scaleway-cli - Manage BareMetal Servers from Command Line (as easily as with Docker).
 - sg - Benchmarks a set of HTTP endpoints (like ab), with possibility to use the reponse code and data between each call for specific server stress based on its previous response.
 - [Vegeta] (https://github.com/tsenart/vegeta) - HTTP load testing tool and library. It's over 9000!
 - webhook - Tool which allows user to create HTTP endpoints (hooks) that execute commands on the server.
 - Wide - A Web-based IDE for Teams using Golang.
 - winrm-cli - A cli tool to remotely execute commands on Windows machines
 
- borg - A terminal based search engine for bash snippets
 - boxed - Dropbox based blog engine
 - Cherry - A tiny webchat server in Go.
 - 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 - Simulate bad network connections.
 - confd - Manage local application configuration files using templates and data from etcd or consul.
 - Docker - An open platform for distributed applications for developers and sysadmins.
 - Documize - Modern wiki software that integrates data from SaaS tools.
 - fleet - A Distributed init System.
 - Go Package Store - An app that displays updates for the Go packages in your GOPATH.
 - gocc - Gocc is a compiler kit for Go written in Go.
 - GoDocTooltip - A chrome extension for Go Doc sites, which shows function description as tooltip at funciton list.
 - Gor - Http traffic replication tool, for replaying traffic from production to stage/dev environments in real-time.
 - hsync - A filesystem hierarchy synchronizer.
 - hugo - A Fast and Modern Static Website Engine.
 - ipe - An open source Pusher server implementation compatible with Pusher client libraries written in GO.
 - Juju - Cloud-agnostic service deployment and orchestration - supports EC2, Azure, Openstack, MAAS and more.
 - limetext Lime Text is a powerful and elegant text editor primarily developed in Go that aims to be a Free and open-source software successor to Sublime Text.
 - LiteIDE LiteIDE is a simple, open source, cross-platform Go IDE.
 - mockingjay Fake HTTP servers and consumer driven contracts from one configuration file. You can also make the server randomly misbehave to help do more realistic performance tests.
 - myLG - Command Line Network Diagnostic tool written in Go.
 - naclpipe - A simple NaCL EC25519 based crypto pipe tool written in Go.
 - nes - A Nintendo Entertainment System (NES) emulator written in Go.
 - orange-cat - A Markdown previewer written in Go.
 - peg - Peg, Parsing Expression Grammar, is an implementation of a Packrat parser generator.
 - Postman - Command-line utility for batch-sending email.
 - restic - De-duplicating backup program.
 - 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 - Fast, Simple and Scalable Distributed File System with O(1) disk seek.
 - shell2http - Executing shell commands via http server (for prototyping or remote control).
 - snap - A powerful telemetry framework.
 - Stack Up - Stack Up, a super simple deployment tool - just Unix - think of it like 'make' for a network of servers.
 - syncthing - An open, decentralized file synchronization tool and protocol.
 - Tenyks - Service oriented IRC bot using Redis and JSON for messaging.
 - toto - A simple proxy server written in Go language, can be used together with browser.
 - toxiproxy - Proxy to simulate network and system conditions for automated tests.
 - tsuru - An extensible and open source Platform as a Service software.
 - websysd - Web based process manager (like Marathon or Upstart).
 - wellington - Sass project management tool, extends the language with sprite functions (like Compass).
 - XML-Comp - Simple command line XML comparer that generates diffs of folders, files and tags.
 
Where to discover new Go libraries.
- autobench - Framework to compare the performance between different Go versions.
 - go-benchmarks - A few miscellaneous Go microbenchmarks. Compare some language features to alternative approaches.
 - go-http-routing-benchmark - Go HTTP request router benchmark and comparison.
 - go-type-assertion-benchmark - Naive performance test of two ways to do type assertion in Go.
 - go-web-framework-benchmark - Go web framework benchmark.
 - go_serialization_benchmarks - Benchmarks of Go serialization methods.
 - gocostmodel - Benchmarks of common basic operations for the Go language.
 - golang-micro-benchmarks - Tiny collection of Go micro benchmarks. The intent is to compare some language features to others.
 - golang-sql-benchmark - A collection of benchmarks for popular Go database/SQL utilities.
 - gospeed - Go micro-benchmarks for calculating the speed of language constructs.
 - kvbench - Key/Value database benchmark.
 - skynet - Skynet 1M threads microbenchmark.
 - speedtest-resize - Compare various Image resize algorithms for the Go language.
 
- dotGo - Paris, France
 - GoCon - Tokyo, Japan
 - GolangUK - London, UK
 - GopherChina - Shanghai, China
 - GopherCon - Denver, USA
 - GopherCon Brazil - Florianópolis, BR
 - GopherCon Dubai - Dubai, UAE
 - GopherCon India - Pune, India
 - GothamGo - New York City, USA
 
- A Go Developer's Notebook
 - An Introduction to Programming in Go
 - Build Web Application with Golang
 - Building Web Apps With Go
 - Go Bootcamp
 - GoBooks - A curated list of Go books
 - Learning Go
 - Network Programming With Go
 - The Go Programming Language
 - Web Application with Go the Anti-Textbook
 
- Awesome Go @LibHunt - Your go-to Go Toolbox.
 - Awesome Remote Job - A curated list of awesome remote jobs. A lot of them is looking for Go hackers.
 - awesome-awesomeness - List of other amazingly awesome lists.
 - Flipboard - Go Magazine - A collection of Go articles and tutorials.
 - Go Blog - The official Go blog.
 - Go Challenge - Learn Go by solving problems and getting feedback from Go experts.
 - Go Forum - Forum to discuss Go.
 - Go In 5 Minutes - 5 minute screencasts focused on getting one thing done.
 - Go Projects - List of projects on the Go community wiki.
 - gocryforhelp - A collection of Go projects that needs help. Good place to start your open-source way in Go.
 - godoc.org - Documentation for open source Go packages.
 - golang-graphics - A collection of Go images, graphics, and art.
 - golang-nuts - Go mailing list.
 - Google Plus Community - The Google+ community for #golang enthusiasts.
 - gowalker.org - Go Project API documentation.
 - r/Golang - News about Go.
 - Trending Go repositories on GitHub today - Good place to find new Go libraries.
 
- A Tour of Go - Interactive tour of Go.
 - Building Go Web Applications and Microservices Using Gin - Get familiar with Gin and find out how it can help you reduce boilerplate code and build a request handling pipeline.
 - Go By Example - A hands-on introduction to Go using annotated example programs.
 - Go database/sql tutorial - Introduction to database/sql.
 - How to Use Godog for Behavior-driven Development in Go - Get started with Godog — a Behavior-driven development framework for building and testing Go applications.
 - Working with Go - An intro to go for experienced programmers.