Indexes and search engines

These sites provide indexes and search engines for Go packages:

Dead projects

If you find a project in this list that is dead or broken, please either mark it as such or mention it in the #go-nuts IRC channel.

Table of Contents

Astronomy

  • go-fits - FITS (Flexible Image Transport System) format image and data reader
  • astrogo/fitsio - Pure Go FITS (Flexible Image Transport System) format image and data reader/writer
  • gonova - A wrapper for libnova -- Celestial Mechanics, Astrometry and Astrodynamics Library
  • meeus - Implementation of “Astronomical Algorithms” by Jean Meeus
  • novas - Interface to the Naval Observatory Vector Astrometry Software (NOVAS)

Build Tools

  • colorgo - Colorize go build output
  • dogo - Monitoring changes in the source file and automatically compile and run (restart)
  • fileembed-go - This is a command-line utility to take a number of source files, and embed them into a Go package
  • gb - A(nother) build tool for go, with an emphasis on multi-package projects
  • gg - A tiny multi golang projects env/make management tool.
  • GG - A build tool for Go in Go
  • godag - A frontend to the Go compiler collection
  • goenv - goenv provides Go version and Go workspace management tools
  • gopei - Simple Go compiler and LiteIDE installer for Unix/Linux that adds many features like github support and presenter.
  • go-pkg-config - lightweight clone of pkg-config
  • goscons - Another set of SCons builders for Go
  • gotgo - An experimental preprocessor to implement ‘generics’
  • gows - Go workspace manager
  • goxc - A build tool with a focus on cross-compiling, packaging, versioning and distribution
  • GVM - GVM provides an interface to manage Go versions
  • Realize - A Go build system with file watchers, output streams and live reload. Run, build and watch file changes with custom paths.
  • SCons Go Tools - A collection of builders that makes it easy to compile Go projects in SCons

Caching

  • cache - LevelDB style LRU cache for Go, support non GC object cache.
  • cache2go - A caching library with expiration capabilities and access counters
  • go-cache - An in-memory key:value store/cache (similar to Memcached) library for Go, suitable for single-machine applications
  • golibs/cache - A tiny cache package
  • gomemcached - A memcached server in go
  • gomemcache - a memcached client
  • go-slab - Slab allocator for go.
  • groupcache - Caching and cache-filling library, intended as a replacement for memcached in many cases
  • libmemcache - Fast client and server libraries speaking memcache protocol
  • memcached-bench - Benchmark tool for memcache servers
  • memcached - Fast memcache server, which supports persistence and cache sizes exceeding available RAM
  • memcache - go memcached client, forked from YouTube Vitess
  • rend - A memcached proxy that manages data chunking and L1/L2 caches
  • YBC bindings - Bindings for YBC library providing API for fast in-process blob cache

Cloud Computing

  • LXD Daemon based on liblxc offering a REST API to manage containers
  • Docker - The Linux container runtime. Developed by dotCloud.
  • Enduro/X ASG Application Server for Go. Provides application server and middleware facilities for distributed transaction processing. Supports microservices based application architecture. Developed by ATR Baltic.
  • Kubernetes - Container Cluster Manager from Google.
  • flamingo - A Lightweight Cloud Instance Contextualizer.
  • gocircuit - A distributed operating system that sits on top of the traditional OS on multiple machines in a datacenter deployment. It provides a clean and uniform abstraction for treating an entire hardware cluster as a single, monolithic compute resource. Developed by Tumblr.
  • gosync - A package for syncing data to and from S3.
  • juju - Orchestration tool (deployment, configuration and lifecycle management), developed by Canonical.
  • mgmt - Next Generation Configuration Management tool (parallel, event driven, distributed system) developed by @purpleidea, (a Red Hat employee) and the mgmt community.
  • rclone - “rsync for cloud storage” - Google Drive, Amazon Drive, S3, Dropbox, Backblaze B2, One Drive, Swift, Hubic, Cloudfiles, Google Cloud Storage, Yandex Files
  • ShipBuilder - ShipBuilder is a minimalist open source platform as a service, developed by Jay Taylor.
  • swift - Go language interface to Swift / Openstack Object Storage / Rackspace cloud files
  • Tsuru - Tsuru is an open source polyglot cloud computing platform as a service (PaaS), developed by Globo.com.
  • aws-sdk-go - AWS SDK for the Go programming language.

Command-line Option Parsers

  • argcfg - Use reflection to populate fields in a struct from command line arguments
  • autoflags - Populate go command line app flags from config struct
  • cobra - A commander for modern go CLI interactions supporting commands & POSIX/GNU flags
  • command - Add subcommands to your CLI, provides help and usage guide.
  • docopt.go - An implementation of docopt in the Go programming language.
  • getopt - full featured traditional (BSD/POSIX getopt) option parsing in Go style
  • getopt - Yet Another getopt Library for Go. This one is like Python's.
  • gnuflag - GNU-compatible flag parsing; substantially compatible with flag.
  • go-commander - Simplify the creation of command line interfaces for Go, with commands and sub-commands, with argument checks and contextual usage help. Forked from the “go” tool code.
  • go-flags - command line option parser for go
  • goopt - a getopt clone to parse command-line flags
  • go-options - A command line parsing library for Go
  • options - Self documenting CLI options parser
  • opts.go - lightweight POSIX- and GNU- style option parsing
  • pflag - Drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags.
  • subcommands - A concurrent, unit tested, subcommand library
  • uggo - Yet another option parser offering gnu-like option parsing. This one wraps (embeds) flagset. It also offers rudimentary pipe-detection (commands like ls behave differently when being piped to).
  • writ - A flexible option parser with thorough test coverage. It's meant to “just work” and stay out of the way.
  • cli - A Go library for implementing command-line interfaces.
  • cmdline - A simple parser with support for short and long options, default values, arguments and subcommands.

Command-line Tools

  • boilr - A blazing fast CLI tool for creating projects from boilerplate templates.
  • coshell - A drop-in replacement for GNU ‘parallel’.
  • DevTodo2 - A small command-line per-project task list manager.
  • enumeration - Easy enumeration code generation.
  • fzf - A command-line fuzzy finder
  • gich - A cross platform which utility written in Go
  • git-time-metric - Simple, seamless, lightweight time tracking for Git
  • gister - Manage your github gists from the command-line
  • gmail2go - Simple gmail multiple accounts cli mail checker
  • gocreate - Command line utility that create files from templates.
  • godocdoc - Start godoc and open it in your browser to the project in the current directory.
  • gojson - Command-line tool for manipulating JSON for use in developing Go code.
  • GoPasswordCreator - A small tool, which creates random passwords
  • GoNote - Command line SimpleNote client.
  • Grozilla - File downloader utility with resume capability.
  • jsonpp - A fast command line JSON pretty printer.
  • lsp - A human-friendlier alternative to ls
  • ltst - View the latest news of your choosing right in your terminal
  • passhash - Command-line utility to create secure password hashes
  • passman - A command-line password manager
  • pjs - Pretty print and search through JSON data structures fast.
  • project - Very simple CLI tool to setup new projects from boilerplate templates.
  • pwdgen - A small tool, which generate human password, written in Go.
  • redis-view - A tree like tool help you explore data structures in your redis server
  • restic - A fast, efficient and secure backup program
  • runtemplate - A very simple command-line tool for executing Go templates, useful for use with go generate.
  • runtemplate - A simple tool for executing Go templates to support generating Go code for your types.
  • sift - A fast and powerful open source alternative to grep
  • tecla - Command-line editing library
  • 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.
  • comb-go - A CLI tool implemented by Golang to manage CloudComb resources.
  • JayDiff - A JSON diff utility written in Go.

Compression

  • compress - Faster drop in replacements for gzip, zip, zlib, deflate
  • dgolzo - LZO bindings
  • dictzip - A reader and writer for files in the random access dictzip format
  • fast-archiver - Alternative archiving tool with fast performance for huge numbers of small files
  • gbacomp - A Go library to (de)compress data compatible with GBA BIOS
  • go-lz4 - Port of LZ4 lossless compression algorithm to Go.
  • go-lzss - Implementation of LZSS compression algorithm in Go
  • go-sevenzip - Package sevenzip implements access to 7-zip archives (wraps C interface of LZMA SDK)
  • go-zip - A wrapper around C library libzip, providing ability to modify existing ZIP archives.
  • lzma - compress/lzma package for Go
  • pgzip - Multicore gzip, compatible with the standard library
  • snappy-go - Google's Snappy compression algorithm in Go
  • yenc - yenc decoder package
  • zappy - Package zappy implements the zappy block-based compression format. It aims for a combination of good speed and reasonable compression.
  • ppmd-go - Golang bindings for the LZMA SDK library. (Only binded PPMD)

Concurrency and Goroutines

  • grpool - Lightweight Goroutine pool.
  • pool - Go consumer goroutine pool for easy goroutine handling + time saving.
  • tunny - A goroutine pool.
  • worker - An easy and lightweight concurrent job framework.

Configuration File Parsers

  • awsenv - a small binary that loads Amazon (AWS) environment variables for a profile
  • confl - nginx config syntax, lenient, encode/decode, custom marshaling
  • flagfile - Adds parsing and serialization support to the standard library flag package (adds a --flagfile option)
  • gcfg - read INI-style configuration files into Go structs; supports user-defined types and subsections
  • globalconf - Effortlessly persist to and read flag values from an ini config file
  • goconf - a configuration file parser
  • hjson - Human JSON, a configuration file format for humans. Relaxed syntax, fewer mistakes, more comments.
  • jsonconfig - a JSON configuration file parser with comments support
  • properties - Library for reading and writing properties files
  • scribeconf - Facebook Scribe server configuration file parser
  • toml:
    • go-toml-config - TOML-based config for Go
    • go-toml - Go library for the TOML language
    • gp-config - Subset of TOML syntax with basic and reflection APIs
    • toml-go - An easy-to-use Go parser for the Toml format
    • toml - TOML parser for Go with reflection
    • tom-toml - TOML parser for Go, support comments/formatter/apply.
  • viper - a complete configuration solution supporting YAML, TOML & JSON and integration with command line flags
  • yaml:
    • yaml - YAML support for the Go language, by Canonical
    • goyaml - A port of LibYAML to Go

Console User Interface

  • ansi - Easily create ansi escape code strings and closures to format, color console output
  • ansiterm - pkg to drive text-only consoles that respond to ANSI escape sequences
  • cons - A simple package for building interactive console tools.
  • gnureadline - GNU Readline bindings
  • go-ansiout - Another ANSI escape code sequence tool for use with command-line applications.
  • gockel - a Twitter client for text terminals
  • gocui - Minimalist library aimed at creating Console User Interfaces
  • gocurse - Go bindings for NCurses
  • gocurses - NCurses wrapper
  • go-ibgetkey - “hot key” type user input package for use in processing keystrokes in command-line applications.
  • go.linenoise - Linenoise bindings (simple and easy readline with prompt, optional history, optional tab completion)
  • goncurses - An ncurses library, including the form, menu and panel extensions
  • gopass - Allows typing of passwords without echoing to screen
  • go-pullbarz - Fancy “light bar” menus like in Lotus 123 from the DOS days. Dependent on go-ibgetkey and go-ansiout.
  • go.sgr - Terminal/console colors and text decoration (bold,underlined,etc).
  • go-stfl - a thin wrapper around STFL, an ncurses-based widget toolkit
  • goterminal - A go library that lets you write and then re-write the text on terminal, to update progress. It works on Windows too!
  • go-web-shell - Remote web shell, implements a net/http server.
  • igo - A simple interactive Go interpreter built on exp/eval with some readline refinements
  • oh - A Unix shell written in Go
  • pty - obtain pseudo-terminal devices
  • readline - A pure go implementation for GNU-Readline kind library
  • termbox-go - A minimalist alternative to ncurses to build terminal-based user interfaces
  • termios - Terminal support
  • termon - Easy terminal-control-interface for Go.
  • uilive - uilive is a go library for updating terminal output in realtime.
  • uiprogress - A library to render progress bars in terminal applications.
  • uitable - A library to improve readability in terminal apps using tabular data.
  • yandex-weather-cli - Command line interface for Yandex weather service

Continuous Integration

  • goveralls - Go integration for Coveralls.io continuous code coverage tracking system.
  • overalls - Multi-Package go project coverprofile for tools like goveralls

Cryptography

  • BLAKE2b - Go implementation of BLAKE2b hash function
  • cryptogo - some useful cryptography-related functions, including paddings (PKCS7, X.923), PBE with random salt and IV
  • cryptoPadding - Block padding schemes implemented in Go
  • dkeyczar - Go port of Google'e Keyczar cryptography library
  • dkrcrypt - Korean block ciphers: SEED and HIGHT
  • dskipjack - Go implementation of the SKIPJACK encryption algorithm
  • go-cs - concurrent ssh client.
  • go-ed25519 - CGO bindings for Floodberry's ed25519-donna. Fast batch verification.
  • go-hc128 - Go implementation of HC-128, an eSTREAM stream cipher
  • go-jose - Go implementation of the JOSE standards
  • go-minilock - Go implementation of the minilock file encryption system.
  • GoSkein - Implementation of Skein hash and Threefisch crypto for Go
  • keccak - A keccak (SHA-3) implementation
  • ketama.go - libketama-style consistent hashing
  • kindi - encryption command line tool
  • openssl - openssl bindings for go
  • otrcat - a general purpose command-line tool for communicating using the Off-The-Record protocol
  • scrypt - Go implementation of Colin Percival's scrypt key derivation function
  • simpleaes - AES encryption made easy
  • siphash - SipHash: a fast short-input pseudorandom function
  • SRP - SRP: Secure Remote Password - Implementation in go
  • ssh.go - SSH2 Client library
  • ssh-vault - encrypt/decrypt using ssh keys
  • tiger - Tiger cryptographic hashing algorithm
  • whirlpool - whirlpool cryptographic hashing algorithm
  • go-lioness - Lioness wide-block cipher using Chacha20 and Blake2b
  • go-sphinxmixcrypto - Sphinx mix network cryptographic packet format operations

Data Processing

  • automi - Compose process and integration flows on Go channels
  • gostatsd - Statsd server and library.
  • Heka - Real time data and log file processing engine.
  • Kapacitor - Framework for processing, monitoring and alerting on timeseries data.
  • pipe - Several functional programming supporting in golang (Map/Reduce/Filter)
  • proto - Map/Reduce/Filter etc. for Go using channels as result streams.
  • regommend - Recommendation engine.
  • rrd - Bindings for rrdtool.
  • XConv - Convert any value between types (base type, struct, array, slice, map, etc.)

Data Structures

Collections

  • collections - Several common data structures
  • data-structures - A collection of data-structures (ArrayList, SortedList, Set, AVL Tree, Immutable AVL Tree, B+Tree, Ternary Search Trie, Hash Table (Separate Chaining), Linear Hash Table)
  • ps - Persistent data structures
  • Tideland golib - A collections library

Hashtables

  • gohash - A simple linked-list hashtable that implements sets and maps
  • go-maps - Go maps generalized to interfaces

Lists

  • fs2/mmlist - A memory mapped list.
  • GoArrayList - GoArrayList is a Go language substitute for the Java class ArrayList, with very nearly all features.
  • goskiplist - A skip list implementation in Go.
  • itreap - An immutable ordered list, internally a treap.
  • ListDict - Python List and Dict for Go
  • skip - A fast position-addressable ordered map and multimap.
  • Skiplist - A fast indexable ordered multimap.
  • skiplist - A skip list implementation. Highly customizable and easy to use.
  • skiplist - Skiplist data structure ported from Redis's Sorted Sets.
  • stackgo - A fast slice-based stack implementation.

Queues

  • fifo_queue - Simple FIFO queue
  • figo - A simple fifo queue with an optional thread-safe version.
  • go.fifo - Simple auto-resizing thread-safe fifo queue.
  • gopqueue - Priority queue at top of container/heap
  • go-priority-queue - An easy to use heap implementation with a conventional priority queue interface.
  • golibs/stack - A LIFO and ringbuffer package
  • gringo - A minimalist queue implemented using a stripped-down lock-free ringbuffer
  • heap - A general heap package without converting elements to interface{} and back.
  • queued - A simple network queue daemon
  • [queue] (https://github.com/kavehmz/queue) - A queue manager on top of Redis

Graphs

  • graph - Library of basic graph algorithms
  • graphs - Implementation of various tree, graph and network algorithms

Sets

  • disjoint - Disjoint sets (union-find algorithm with path compression)
  • golang-set - A full thread-safe and unsafe set implementation for Go.
  • goset - A simple, thread safe Set implementation
  • set - Set data structure for Go

Trees

  • b - Package b implements B+trees with delayed page split/concat and O(1) enumeration. Easy production of source code for B+trees specialized for user defined key and value types is supported by a simple text replace.
  • btree - Package btree implements persistent B-trees with fixed size keys, http://en.wikipedia.org/wiki/Btree
  • btree - In-memory (not persistent) B-tree implementation, similar API to GoLLRB
  • go-avltree - AVL tree (Adel‘son-Vel’skii & Landis) with indexing added
  • go-btree - Simple balance tree implementation
  • go-darts - Double-ARray Trie System for Go
  • GoLLRB - A Left-Leaning Red-Black (LLRB) implementation of 2-3 balanced binary search trees in Google Go
  • go-merkle - Merkle-ized binary (search) trees with proofs.
  • go-stree - A segment tree implementation for range queries on intervals
  • go-radix, go-radix-immutable - Radix tree implementations.
  • gtreap - Persistent treap implementation.
  • rbtree - Yet another red-black tree implementation, with a C++ STL-like API
  • rtreego - an R-Tree library
  • triego - Simple trie implementation for storing words
  • prefixmap - Simple trie-based prefix-map for string-based keys

Other

  • bigendian - binary parsing and printing
  • deepcopy - Make deep copies of data structures
  • dgobloom - A Bloom Filter implementation
  • epochdate - Compact dates stored as days since the Unix epoch
  • etree - Parse and generate XML easily
  • fsm - Minimalistic state machine for use instead of booleans
  • go-algs/ed - Generalized edit-distance implementation
  • go-algs/maxflow - An energy minimization tool using max-flow algorithm.
  • go-extractor - Go wrapper for GNU libextractor
  • gocrud - Framework for working with arbitrary depth data structures.
  • Gokogiri - A lightweight libxml wrapper library
  • GoNetCDF - A wrapper for the NetCDF file format library
  • goop - Dynamic object-oriented programming support for Go
  • gopart- Type-agnostic partitioning for anything that can be indexed in Go.
  • gotoc - A protocol buffer compiler written in Go
  • govalid - Data validation library
  • goxml - A thin wrapper around libxml2
  • hyperloglog - An implementation of the HyperLogLog and HyperLogLog++ algorithms for estimating cardinality of sets using constant memory.
  • itertools - Provides generic iterable generator function along with functionality similar to the itertools python package.
  • jsonv - A JSON validator
  • libgob - A low level library for generating gobs from other languages
  • ofxgo - A library for querying OFX servers and/or parsing the responses (and example command-line client).
  • Picugen - A general-purpose hash/checksum digest generator.
  • tribool - Ternary (tree-valued) logic for Go
  • Tuple - Tuple is a go type that will hold mixed types / values
  • vcard - Reading and writing vcard file in go. Implementation of RFC 2425 (A MIME Content-Type for Directory Information) and RFC 2426 (vCard MIME Directory Profile).
  • mxj - Marshal/Unmarshal XML doc from/to map[string]interface{} or JSON
  • xlsx - A library to help with extracting data from Microsoft Office Excel XLSX files.
  • goxlsxwriter - Golang bindings for libxlsxwriter for writing XLSX (Excel) files
  • simple-sstable - A simple, no-frills SSTable format and implementation in Go.

Databases

See also [[SQLDrivers page|SQLDrivers]].

CockroachDB

  • cockroachdb - A Scalable, Survivable, Strongly-Consistent SQL Database

MongoDB

MySQL

  • Go-MySQL-Driver - A lightweight and fast MySQL-Driver for Go's database/sql package
  • MyMySQL - MySQL Client API written entirely in Go.
  • TiDB - MySQL compatible distributed database modeled after Google's F1 design.
  • vitess - Scaling MySQL databases for the web
  • mysqlsuperdump - Generate partial and filtered dumps of MySQL databases

ODBC

  • go-odbc - ODBC Driver for Go
  • odbc3-go - This package is wrapper around ODBC (version 3).

PostgreSQL

  • go-libpq - cgo-based Postgres driver for Go's database/sql package
  • go-pgsql - A PostgreSQL client library for Go
  • pgsql.go - PostgreSQL high-level client library wrapper
  • pgx - Go PostgreSQL driver that is compatible with database/sql and has native interface for more performance and features
  • pq - Pure Go PostgreSQL driver for database/sql
  • yoke - Postgres high-availability cluster with auto-failover and automated cluster recovery

QL

  • ql - A pure Go embedded (S)QL database.

Redis

  • godis - Simple client for Redis
  • Go-Redis - Client and Connectors for Redis key-value store
  • go-redis - Redis client built on the skeleton of gomemcache
  • Redigo - Go client for Redis.
  • redis - Redis client for Go

RethinkDB

SQLite

ORM

  • beedb - beedb is an ORM for Go. It lets you map Go structs to tables in a database
  • FilterXorm - Build conditions for xorm project.
  • go-modeldb - A simple wrapper around sql.DB for struct support.
  • gorm - An ORM library for Go, aims for developer friendly
  • gorp - SQL mapper for Go
  • go-store - Data-store library for Go that provides a set of platform-independent interfaces to persist and retrieve key-value data.
  • hood - Database agnostic ORM for Go. Supports Postgres and MySQL.
  • qbs - Query By Struct. Supports MySQL, PostgreSQL and SQLite3.
  • sqlgen - Go code generation for SQL interaction.
  • structable - Struct-to-table database mapper.
  • xorm - Simple and Powerful ORM for Go.
  • reform - A better ORM for Go, based on non-empty interfaces and code generation.

Multiple wrappers

  • gosexy/db - an abstraction of wrappers for popular third party SQL and No-SQL database drivers.

Key-Value-Stores

  • bolt - Persistent key/value store inspired by LMDB.
  • dbm - Package dbm (WIP) implements a simple database engine, a hybrid of a hierarchical and/or a key-value one.
  • fs2/bptree - A memory mapped B+Tree with duplicate key support. Appropriate for large amounts of data (aka +100 GB). Supports both anonymous and file backed memory maps.
  • Diskv - Home-grown, disk-backed key-value store
  • etcd - Highly-available key value store for shared configuration and service discovery
  • gkvlite - Pure go, simple, ordered, atomic key-value persistence based on append-only file format.
  • gocask - Key-value store inspired by Riak Bitcask. Can be used as pure go implementation of dbm and other kv-stores.
  • goleveldb - Another implementation of LevelDB key/value in pure Go.
  • kv - Yet another key/value persistent store. Atomic operations, two phase commit, automatic crash recovery, ...
  • leveldb-go - This is an implementation of the LevelDB key/value database.
  • levigo - levigo provides the ability to create and access LevelDB databases.
  • persival - Programatic, persistent, pseudo key-value storage

Graph Databases

  • cayley - 100% Go graph database, inspired by Freebase and the Google Knowledge Graph.
  • Dgraph - Fast, Distributed Graph DB with a GraphQL-like API.
  • go-gremlin - A Go client for the Apache TinkerTop Graph analytics framework (Gremlin server).

NoSQL

  • influxdb - Scalable datastore for metrics, events, and real-time analytics
  • ledisdb - A high performance NoSQL like Redis.
  • nodb - A pure Go embed Nosql database with kv, list, hash, zset, bitmap, set.
  • tiedot - A NoSQL document database engine using JSON for documents and queries; it can be embedded into your program, or run a stand-alone server using HTTP for an API.

Other

  • cabinet - Kyoto Cabinet bindings for go
  • camlistore - Personal distributed storage system for life.
  • cdb.go - Create and read cdb (“constant database”) files
  • go-clickhouse - Connector to Yandex Clickhouse (column-oriented database)
  • CodeSearch - Index and perform regex searches over large bodies of source code
  • couch-go - newer maintained CouchDB database binding
  • couchgo - The most feature complete CouchDB Adapter for Go. Modeled after couch.js.
  • dbxml - A basic interface to Oracle Berkeley DB XML
  • drive - A Google drive command line client
  • Event Horizon - Toolkit for Command Query Responsibility Segregation and Event Sourcing (CQRS/ES)
  • go-db-oracle - GO interface to Oracle DB
  • gographite - statsd server in go (for feeding data to graphite)
  • gokabinet - Go bindings for Kyoto Cabinet DBM implementation
  • go-notify - GO bindings for the libnotify
  • goprotodb - A binding to Berkeley DB storing records encoded as Protocol Buffers.
  • go-rexster-client - Go client for the Rexster graph server (part of the TinkerPop suite of graph DB tools)
  • goriak - Database driver for riak database (project homepage is now on bitbucket.org)
  • goriakpbc - Riak driver using Riak's protobuf interface
  • gotyrant - A Go wrapper for tokyo tyrant
  • go-wikiparse - mediawiki dump parser for working with wikipedia data
  • hdfs - go bindings for libhdfs
  • JGDB - JGDB stands for Json Git Database
  • mig - Simple SQL-based database migrations
  • mongofixtures - A Go quick and dirty utility for cleaning MongoDB collections and loading fixtures into them.
  • Neo4j-GO - Neo4j REST Client in Go
  • neoism - Neo4j graph database client, including Cypher and Transactions support.
  • null - Package for handling null values in SQL
  • Optimus Cache Prime - Smart cache preloader for websites with XML sitemaps.
  • piladb - Lightweight RESTful database engine based on stack data structures.
  • pravasan - Simple Migration Tool (like rake db:migrate with more flexibility)
  • riako - High level utility methods for interacting with Riak databases
  • sqlbuilder - SQL query builder with row mapping
  • squirrel - Fluent SQL generation for Go
  • Sublevel - Separate sections of the same LevelDB
  • Weed File System - fast distributed key-file store
  • whisper-go - library for working with whisper databases

Date

  • now - Now is a time toolkit for golang.
  • date - A package for working with dates.
  • date - For dates, date ranges, time spans, periods, and time-of-day.
  • gostrftime - strftime(3) like formatting for time.Time
  • tai64 - tai64 and tai64n parsing and formatting
  • Tideland golib - Timex extensions

Development Tools

  • cwrap - Go wrapper (binding) generator for C libraries.
  • demand - Download, build, cache and run a Go app easily.
  • glib - Bindings for GLib type system
  • gocog - A code generator that can generate code using any language
  • godepgraph - Create a dependency graph for a go package
  • godev - Recompiles and runs your Go code on source change. Also watches all your imports for changes.
  • godiff - diff file comparison tool with colour html output
  • gonew - A tool to create new Go projects
  • go-play - A HTML5 web interface for experimenting with Go code. Like http://golang.org/doc/play but runs on your computer
  • gore - A Go REPL. Featured with line editing, code completion, and more
  • gorun - Enables Go source files to be used as scripts.
  • go-spew - Implements a deep pretty printer for Go data structures to aid in debugging
  • goven - Easily copy code from another project into yours
  • gowatcher - Reload a specified go program automatically by monitoring a directory.
  • GoWatch - GoWatch watches your dev folder for modified files, and if a file changes it restarts the process.
  • goweb - Literate programming tools for Go based on CWEB by Donald Knuth and Silvio Levy.
  • hopwatch - simple debugger for Go
  • hsandbox - Tool for quick experimentation with Go snippets
  • Inject - Library for dependency injection in Golang (from Facebook)
  • liccor - A tool for updating license headers in Go source files
  • liteide - An go auto build tools and qt-based ide for Go
  • Livedev - Livedev is a development proxy server that enables live code reloading.
  • Martian - HTTP proxy designed for use in E2E testing.
  • nvm-windows - Node.js version manager for Windows
  • prettybenchcmp - Store and compare benchmarks history locally.
  • rerun - Rerun watches your binary and all its dependencies so it can rebuild and relaunch when the source changes.
  • syntaxhighlighter - language-independent code syntax highlighting library
  • toggle - A feature toggle library with built in support for environment variable backed toggling. pluggable backing engine support.
  • trace - A simple debug tracing

Emacs Tags

  • egotags - ETags generator
  • tago1 - etags generator for go that builds with go 1
  • tago - Emacs TAGS generator for Go source

Distributed/Grid Computing

  • celeriac - A library for adding support for interacting and monitoring Celery workers, tasks and events in Go
  • donut - A library for building clustered services in Go
  • libchan - Go-like channels over the network
  • locker - A distributed lock service built on top of etcd.
  • dlock - A native Go distributed lock manager (client and server) using gRPC.
  • mangos - An implementation of the Scalable Protocols based on nanomsg
  • redsync - Redis-based distributed mutual exclusion lock implementation
  • Skynet - Skynet is distributed mesh of processes designed for highly scalable API type service provision.
  • Tideland golib - Includes a map/reduce library

Documentation

  • examplgen - Insert code from .go files to documents (examples to project's readme, for instance).
  • godocdown - Format package documentation (godoc) as GitHub friendly Markdown
  • GoDoc.org - GoDoc.org generates documentation on the fly from source on Bitbucket, Github, Google Project Hosting and Launchpad.
  • golangdoc - Godoc for Golang, support translate.
  • Mango - Automatically generate unix man pages from Go sources
  • redoc - Commands documentation for Redis
  • sphinxcontrib-golangdomain - Sphinx domain for Go
  • test2doc - Generate documentation for your go units from your unit tests.

Editors

  • Conception - Conception is an experimental research project, meant to become a modern IDE/Language package. demo video
  • Go-bbpackage - BBEdit package for Go development
  • goclipse - An Eclipse-based IDE for Go.
  • Go conTEXT - Highlighter plugin
  • godev - Web-based IDE for the Go language
  • godit - A microemacs-like text editor written in Go.
  • gofinder - (code) search tool for acme
  • go-gedit - Google Go language plugin for gedit
  • golab - go local application builder - a web-based Go ide
  • Google Go for Idea - Google Go language plugin for Intellij IDEA
  • micro - A modern and intuitive terminal-based text editor.
  • tabby - Source code editor
  • ViGo - A vim-like text editor.
  • Wide - A Web-based IDE for Teams using Golang.

Email

  • Hectane - Lightweight SMTP client including a built-in mail queue backed by on-disk storage.
  • gmail - Simple library for sending emails from a Gmail account, for people not interested in dealing with protocol details.
  • go-mail - Email utilities including RFC822 messages and Google Mail defaults.
  • Gomail - A simple and efficient package to send emails.
  • go-ses - Amazon AWS Simple Email Service (SES) API client
  • Inbucket - Inbucket is an email testing service; it will accept messages for any email address and make them available to view via a web interface.
  • mail.go - Parse email messages
  • MailHog - Email testing service, inspired by MailCatcher.
  • MailSlurper - A handy SMTP mail server useful for local and team application development. Slurp mail into oblivion!
  • chasquid - SMTP server written in Go.

Error handling

  • errgo - Error tracing and annotation.
  • errors - The juju/errors package provides an easy way to annotate errors without losing the original error context, and get a stack trace back out of the error for the locations that were recorded.
  • goerr - Allows to make a separate(modular) and reusable error handlers. Exception-like panic() recover() mechanism using Return(error) and catching err := OR1(..)
  • panicparse - Parse panics with style.
  • Space Monkey errors - Go's missing errors library - stack capture, error hierarchies, error tags
  • Tideland golib - Detailed error values

Encodings and Character Sets

  • base58 - Human input-friendly base58 encoding
  • bencode-go - Encoding and decoding the bencode format used by the BitTorrent peer-to-peer file sharing protocol
  • bsonrpc - BSON codec for net/rpc
  • chardet - Charset detection library ported from ICU
  • charmap - Character encodings in Go
  • codec-msgpack-binc High Performance and Feature-Rich Idiomatic Go Library providing encode/decode support for multiple binary serialization formats: msgpack
  • colfer - high-performance binary codec
  • gobson - BSON (de)serializer
  • go-charset - Conversion between character sets. Native Go.
  • go.enmime - MIME email parser library for Go (native)
  • go-msgpack - Comprehensive MsgPack library for Go, with pack/unpack and net/rpc codec support (DEPRECATED in favor of codec )
  • gopack - Bit-packing for Go
  • go-simplejson - a Go package to interact with arbitrary JSON
  • go-wire - Binary and JSON codec for structures and more
  • go-xdr - Pure Go implementation of the data representation portion of the External Data Representation (XDR) standard protocol as specified in RFC 4506 (obsoletes RFC 1832 and RFC 1014).
  • iconv-go - iconv wrapper with Reader and Writer
  • magicmime -- Mime-type detection with Go bindings for libmagic
  • Mahonia - Character-set conversion library in Go
  • mimemagic - Detect mime-types automatically based on file contents with no external dependencies
  • msgpack - Msgpack format implementation for Go
  • msgpack-json - Command-line utilities to convert between msgpack and json
  • nnz - String and Int primitives that serialize to JSON and SQL null
  • storable - Write perl storable data
  • TNetstring - tnetstrings (tagged Netstrings)

File Systems

  • afero - A File Sytem abstraction system for Go
  • go.fs - A virtual file system abstraction layer.
  • poller - Package poller is a file-descriptor multiplexer. It allows concurent Read and Write operations from and to multiple file-descriptors.
  • vfsgen - Generates a vfsdata.go file that statically implements the given virtual filesystem.

Games

  • Bampf - Arcade style game based on the Vu 3D engine.
  • bloxorz - Solver for bloxorz basic levels
  • ChessBuddy - Play chess with Go, HTML5, WebSockets and random strangers!
  • Fergulator - An NES emulator, using SDL and OpenGL
  • FlappyBird - A simple flappy bird clone written in golang.
  • godoku - Go Sudoku Solver - example of “share by communicating”
  • Gongo - A program written in Go that plays Go
  • gospeccy - A ZX Spectrum 48k Emulator
  • Ludo Game - Ludo Board game powered by Go on Appengine
  • pinkman - command line based chess interface to UCI compatible chess engines
  • Pong - A simple Pong clone written in golang
  • pong-command - Joke command,ping-like pong.
  • Steven - A Minecraft client in Go
  • WolfenGo - A Wolfenstein3D clone in Go, using OpenGL 2.1

GIS

  • geojson - Go package to quick and easy create json data in geojson format. description
  • go-geom - Efficient Open Geo Consortium-style geometries with native Go GeoJSON and WKB encoding and decoding (work-in-progress)
  • go.geo - Geometry/geography library targeted at online mapping
  • go.geojson - Marshalling and Unmarshalling of GeoJSON objects
  • gogeos - Go library for spatial data operations and geometric algorithms
  • go-proj-4 - An interface to the Cartographic Projections Library PROJ.4
  • go-kml - Google Earth KML generation
  • go-polyline - Google Maps polyline encoding and decoding
  • UTM - Bidirectional UTM-WGS84 converter

Go Implementations

  • llgo - LLVM-based Go compiler, written in Go

Graphics and Audio

  • AnsiGo - Simple ANSi to PNG converter written in pure Go
  • Arclight - Arclight is a tool for rendering images
  • bild - A collection of image processing algorithms in pure Go
  • bimg - Small Go library for fast image resize and transformation using libvips
  • blend - Image processing library and rendering toolkit for Go.
  • bpg - BPG decoder for Go.
  • chart - Library to generate common chart (pie, bar, strip, scatter, histogram) in different output formats.
  • draw2d - This package provide an API to draw 2d geometrical form on images. This library is largely inspired by postscript, cairo, HTML5 canvas.
  • egl - egl bindings
  • es2 - es2 bindings
  • freetype-go - a Go implementation of FreeType
  • gltf - library for marshaling and unmarshaling glTF
  • glfw 3 - Go bindings for GLFW 3 library
  • glfw - bindings to the multi-platform library for opening a window, creating an OpenGL context and managing input
  • glh - OpenGL helper functions to manage text, textures, framebuffers and more
  • gl - OpenGL bindings using glew
  • glu - bindings to the OpenGL Utility Library
  • gmask - Go adaptation of the Cmask utility for Csound
  • goalsa - Go bindings for ALSA capture and playback
  • go-cairo - Go wrapper for the cairo graphics library
  • gocl - Go OpenCL (gocl) binding, support OpenCL 1.1/1.2/2.0 on Mac/Linux/Windows/Android
  • go-csnd6 - Go binding to the Csound6 API
  • go-csperfthread - Go binding to the CsoundPerformanceThread helper class of the Csound6 API
  • goexif - Retrieve EXIF metadata from image files
  • goflac - Go bindings for decoding and encoding FLAC audio with libFLAC
  • go-gd - Go bingings for GD
  • GoGL - OpenGL binding generator
  • go-gnuplot - go bindings for Gnuplot
  • go-gtk3 - gtk3 bindings for go
  • go-heatmap - A toolkit for making heatmaps
  • GoHM - H.265/HEVC HM Video Codec in Go
  • goHorde - Go Bindings for the Horde3d Rendering engine.
  • GoMacDraw - A mac implementation of go.wde
  • go-openal - Experimental OpenAL bindings for Go
  • go-opencl - A go wrapper to the OpenCL heterogeneous parallel programming library
  • go-opencv - Go bindings for OpenCV / 2.x API in gocv / 1.x API in opencv
  • Go-OpenGL - Go bindings for OpenGL
  • Goop - Audio synthesizer engine
  • goray - Raytracer written in Go, based on Yafaray
  • gosc - Pure Go OSC (Open Sound Control) library
  • go-taglib - Go wrapper for TagLib, an audio meta-data parser
  • go-tmx - A Go library that reads Tiled's TMX files
  • GoVisa - H265/HEVC Bitstream Analyzer in Go
  • go-vlc - Go bindings for libVLC
  • go.wde - A windowing/drawing/event interface
  • goxscr - Go rewrites of xscreensaver ports
  • gst - Go bindings for GStreamer
  • gumble - Client library for the Mumble VoIP protocol
  • hgui - Gui toolkit based on http and gtk-webkit.
  • imaginary - Simple and fast HTTP microservice for image resizing and manipulation
  • imaging - Package imaging provides basic image manipulation functions (resize, rotate, flip, crop, etc.) as well as simplified image loading and saving.
  • netpbm - Read and write Netpbm images from Go programs
  • opencv - Go bindings for OpenCV
  • osmesa - Go bindings for osmesa.
  • Plotinum - An API for creating plots
  • portaudio - A Go binding to PortAudio
  • pulsego - Go binding for PulseAudio
  • pulse-simple - Go bindings for PulseAudio's Simple API, for easy audio capture and playback.
  • resize - Image resizing with different interpolations.
  • RiGO - RenderMan Interface implementation in Go.
  • smartcrop - Content aware image cropping
  • starfish - A simple Go graphics and user input library, built on SDL
  • stl - library for reading, writing, and manipulating Stereolithography (.stl) files used in 3D printing
  • svgo - a library for creating and outputting SVG
  • tag - a library for reading tag metadata and creating metadata-invariant checksums for audio files: FLAC, all IDv3 variants, and MP4 (ACC, ALAC)
  • tga - TARGA image format encoding/decoding library
  • tiff - Rich TIFF/BigTIFF/GeoTIFF decoder/encoder for Go.
  • twilio-go - Go client for the Twilio API.
  • videoinput - Go bindings for VideoInput (Windows).
  • vu - Virtual Universe. A skeleton 3D engine.
  • vulkan - Golang Bindings for Vulkan API.
  • webp - WebP decoder and encoder for Go.
  • wg - Web Graphics, display real time go graphics in browser, with user input.
  • window - Optimized moving window for real-time data
  • wingo - A fully-featured window manager written in Go.
  • Winhello - An example Windows GUI hello world application
  • wxGo - Go Wrapper for the wxWidgets GUI
  • xgb - A fork of the x-go-binding featuring support for thread safety and all X extensions.
  • xgbutil - A utility library to make use of the X Go Binding easier. (Implements EWMH and ICCCM specs, key binding support, etc.)
  • x-go-binding - bindings for the X windowing system

GUIs and Widget Toolkits

  • go-fltk - FLTK2 GUI toolkit bindings for Go
  • go-gtk - Bindings for GTK
  • go-qt5 - QT5 bindings for go
  • gothic - Tcl/Tk Go bindings
  • gotk3 - Go bindings for GTK3, requires GTK version 3.8
  • go.uik - A UI kit for Go, in Go. (project is closed)
  • go-webkit2 - Go bindings for the WebKitGTK+ v2 API (w/headless browser & JavaScript support)
  • Gowut - Gowut (Go Web UI Toolkit) is a full-featured, easy to use, platform independent Web UI Toolkit written in pure Go, no platform dependent native code is linked or called.
  • GXUI - A Go cross platform UI library.
  • iup - Bindings for IUP
  • mdtwm - Tiling window manager for X
  • qml - QML support for the Go language
  • ui - Platform-native GUI library for Go

Hardware

  • go.hid - Provides communication with USB Human Interface Devices.
  • gortlsdr - A librtlsdr wrapper, which turns certain USB DVB-T dongles into a low-cost, general purpose software-defined radio receiver.
  • hwio - Hardware I/O library for SoC boards including BeagleBone Black and Raspberry Pi.
  • stressdisk - Stress test your disks / memory cards / USB sticks before trusting your valuable data to them
  • gobot - Golang framework for robotics, drones, and the Internet of Things (IoT).

Language and Linguistics

  • alpinocorpus-go - A reader and a writer for Alpino corpora.
  • go-aspell - GNU Aspell spell checking library bindings for Go.
  • go-language - A simple language detector using letter frequency data.
  • goling - String Similarity(Cosine Similarity, Levenshtein Distance), Spell Check, Segmentation
  • go.stringmetrics - String distance metrics implemented in Go
  • inflect - Word inflection library (similar to Ruby ActiveSupport::Inflector). Singularize(), Pluralize(), Underscore() etc.
  • libtextcat - A Go wrapper for libtextcat.
  • sego - Chinese language segmenter.
  • textcat - N-gram based text categorization, with support for utf-8 and raw text

Logging and Monitoring

  • colog - CoLog is a prefix-based leveled execution log for Go
  • cue - Fast and flexible contextual logger. Supports output to file, syslog, structured syslog, stdout/stderr, socket, Loggly, Honeybadger, Opbeat, Rollbar, and Sentry.
  • epazote - Automated Microservices Supervisor.
  • factorlog - Really fast, featureful logging infrastructure (supports colors, verbosity, and many formats)
  • vlog - Leveled log on std log for Go
  • glog - Leveled execution logs for Go
  • go-logging - Supports different logging backends like syslog, file and memory. Multiple backends can be utilized with different log levels per backend and logger.
  • gomol - A multi-output logging library designed for outputs that support additional metadata with log messages.
  • graylog-golang - graylog-golang is a full implementation for sending messages in GELF (Graylog Extended Log Format) from Google Go (Golang) to Graylog
  • jWalterWeatherman - Seamless terminal printing and file logging that’s as easy to use as fmt.Println
  • immortal - A *nix cross-platform (OS agnostic) supervisor
  • log4go - Go logging package akin to log4j
  • logger - Go logging with buffered output and multiple writers
  • logrus - Structured, pluggable logging for Go with built-in hooks for third-party loggers: Airbrake, Papertrail, Loggly, Sentry...
  • MailJet Live Event Dashboard - API monitoring in real time.
  • monkit - A flexible process data collection, metrics, monitoring, instrumentation, and tracing library for Go
  • Prometheus - Monitoring system and time-series database.
  • rfw - Rotating file writer - a ‘logrotate’-aware file output for use with loggers
  • sd - Writes to the systemd journal, supports user defined systemd journal fields
  • seelog - Flexible dispatching, filtering, and formatting
  • snap - Telemetry framework
  • spacelog - Hierarchical, leveled, and structured logging library for Go
  • statsgod - A rewrite of StatsD in Go.
  • syslog - With this package you can create your own syslog server with your own handlers for different kind of syslog messages
  • Tideland golib - Flexible logging
  • timber - Configurable Logger for Go

Machine Learning

  • bayesian - A naive bayes classifier.
  • ctw - Context Tree Weighting and Rissanen-Langdon Arithmetic Coding
  • evo - a framework for implementing evolutionary algorithms in Go.
  • go-algs/maxflow Maxflow (graph-cuts) energy minimization library.
  • go-galib - Genetic algorithms.
  • golinear - Linear SVM and logistic regression.
  • go_ml - Linear Regression, Logistic Regression, Neural Networks, Collaborative Filtering, Gaussian Multivariate Distribution.
  • gorgonia - Neural network primitives library (like Theano or Tensorflow but for Go)
  • go-porterstemmer - An efficient native Go clean room implementation of the Porter Stemming algorithm.
  • go-pr - Gaussian classifier.
  • ntm - Neural Turing Machines implementation
  • paicehusk - Go implementation of the Paice/Husk Stemmer
  • snowball - Snowball stemmer
  • go-mind - A neural network library built in Go
  • Anna - Artificial Neural Network Aspiration, aims to be self-learning and self-improving software.

Mathematics

  • bayesian - Naive Bayesian Classification for Go
  • blas - Go implementation of BLAS (Basic Linear Algebra Subprograms)
  • cartconvert - cartography functions for the Go programming language
  • clp - Go bindings for the COIN-OR Linear Programming (CLP) library
  • Cvx - Convex optimization package, port of CVXOPT python package
  • dice - Dice rolling library
  • evaler - A simple floating point arithmetic expression evaluator
  • fixed - A fixed point (Q32.32 format) math library
  • geom - 2d geometry
  • gini - SAT Solver/Boolean Logic Tools
  • gochipmunk - Go bindings to the Chipmunk Physics library
  • gocomplex - a complex number library
  • godec - multi-precision decimal arithmetic
  • gofd - concurrent finite domain constraint solver.
  • go-fftw - Go bindings for FFTW - The Fastest Fourier Transform in the West
  • go-fn - Special functions that would not fit in “math” pkg
  • gographviz - Graphviz DOT language parser for Go
  • go-gt - Graph theory algorithms
  • go-humanize - Formatting numbers for humans.
  • golibs/xmath - a collection of math functions (mostly mean algorithms)
  • go-lm - Linear models in Go. Provides WLS and regression with t residuals via a cgo -> BLAS/LAPACK interface.
  • go.mahalanobis - Naive implementation of the Mahalanobis distance using go.matrix
  • gomat - lightweight FAST matrix and vector math
  • go_matrix_cuda - GPU-Accelerated Linear Algebra Libraries based in CUDA
  • go.matrix - a linear algebra package
  • gonum - Scientific packages (linear algebra, BLAS, LAPACK, differentiation, plots, linear programming, statistics, ...)
  • go-symexpr - Symbolic math as an AST with derivatives, simplification, and non-linear regression
  • gsl - GNU Scientific Library bindings
  • interval - Package interval handles sets of ordered values laying between two, possibly infinite, bounds.
  • mathutil - Package mathutil provides utilities supplementing the standard ‘math’ and ‘rand’ packages.
  • mt19937_64 - Mersenne Twister int64 random source
  • permutation - Package permutation generates permutations of the indices of a slice
  • polyclip.go - Go implementation of algorithm for Boolean operations on 2D polygons
  • primes - Simple functionality for working with prime numbers.
  • prime - Go version of Segmented Sieve and non Segmented sieve to produce prime numbers
  • primegen.go - Sieve of Atkin prime number generator
  • pso-go - A library of PSO (Particle Swarm Optimization) for Go.
  • rand - 64-bit version of the math/rand package with Mersenne twister support.
  • roger - A Go client for the RServer, allowing you to invoke R programs from Go.
  • stats - A statistics package with common functions missing from the Golang standard library.
  • statistics - GNU GSL Statistics (GPLv3)
  • Tideland golib - Numerics package for statistcal analysis
  • Units - Implements types, units, converter functions and some mathematics for some common physical types. lib
  • vector - A small vector lib.
  • humanize - formats large numbers into human readable small numbers

Microservices

  • gokit - The Go Kit microservice framework (and author interview).
  • go-micro - Go Micro is a microservices library which provides the fundamental building blocks for writing fault tolerant distributed systems at scale.
  • kite - RPC server and client framework.

Miscellaneous

  • atexit - Simple atexit library
  • bíogo - Basic bioinformatics functions for the Go language.
  • Breaker - Breaker enables graceful degraded mode operations by means of wrapping unreliable interservice interface points with circuit breaker primitives.
  • btcrpcclient - A Websocket-enabled Bitcoin JSON-RPC client.
  • cast - Safe and easy casting from one type to another in Go
  • CGRates - Rating system designed to be used in telecom carriers world
  • cpu - A Go package that reports processor topology
  • cron - A library for running jobs (funcs) on a cron-formatted schedule
  • daemonigo - A simple library to daemonize Go applications.
  • dbus-go - D-Bus Go library
  • desktop - Open file/uri with default application (cross platform)
  • devboard - Kanban board application based on Simple-Khanban
  • dioder-api - An API to IKEA dioder LED-strips
  • dump - An utility that dumps Go variables, similar to PHP's var_dump
  • env - Easily pull environment variables with defaults
  • epub - Bindings for libepub to read epub content.
  • EventBus - Lightweight event bus with async compatibility for Go .
  • faker - Generate fake data, names, text, addresses, etc.
  • fsnotify - File system notifications for Go
  • functional - Functional programming library including a lazy list implementation and some of the most usual functions.
  • GCSE - Go code search engine. source
  • generate - runs go generate recursively on a specified path or environment variable and can filter by regex.
  • go-amiando - Wrapper for the Amiando event management API
  • go-bit - An efficient and comprehensive bitset implementation with utility bit functions.
  • go-bitops - common bit operations for 32/64 bit integer
  • go-business-creditcard - Validate/generate credit card checksums/names.
  • gochem - A computational chemistry/biochemistry library.
  • gocsv - Library for CSV parsing and emitting
  • go.dbus - Native Go library for D-Bus
  • go-ean - A minimal utility library for validating EAN-8 and EAN-13 and calculating checksums.
  • go-eco - Functions for use in ecology
  • go-erx - Extended error reporting library
  • go-eventsocket - An event socket client/server library for the FreeSWITCH telephony platform.
  • GoFakeIt - Fake Data Generator. 65+ different variations and examples for each
  • go-fann - Go bindings for FANN, library for artificial neural networks
  • GoFlow - Flow-based and dataflow programming library for Go
  • goga - A genetic algorithm framework
  • gogobject - GObject-introspection based bindings generator
  • go-idn - a project to bring IDN support to Go, feature compatible with libidn
  • GoLCS - Solve Longest Common Sequence problem in go
  • golibs/as - Converting data types
  • golife - Implementation of Game of Life for command line
  • go-magic - A Go wrapper for libmagic
  • go-magic - Simple interface to libmagic for Go Programming Language
  • go-metrics - Go port of Coda Hale's Metrics library
  • gommap - gommap enables Go programs to directly work with memory mapped files and devices in a very efficient way
  • gomusicbrainz - MusicBrainz WS2 client library
  • goneuro - Go driver for NeuroSky devices.
  • goNI488 - A Go wrapper around National Instruments NI488.2 General Purpose Interface Bus (GPIB) driver.
  • go-osx-plist - CoreFoundation Property List support for Go
  • go-papi - Go interface to the PAPI performance API
  • go.pcsclite - Go wrapper for pcsc-lite
  • Go-PhysicsFS - Go bindings for the PhysicsFS archive-access abstraction library.
  • go.pipeline - Library that emulates Unix pipelines
  • go-pkg-mpd - A library to access the MPD music daemon
  • go-pkg-xmlx - Extension to the standard Go XML package. Maintains a node tree that allows forward/backwards browser and exposes some simpel single/multi-node search functions
  • goplan9 - libraries for interacting with Plan 9
  • goPromise - Scheme-like delayed evaluation for Go
  • go-qrand - Go client for quantum random bit generator service at random.irb.hr
  • goraphing - A tool to generate a simple graph data structures from JSON data files
  • go-selenium - Selenium WebDriver client for Go
  • go-semvar - Semantic versions (see http:/semver.org)
  • go-serial - Go binding to libserialport for serial port functionality (cgo).
  • goST - A steam properties (steam table) library written for Go. This was designed as a native go equivalent to XSteam.
  • go-taskstats - Go interface for Linux taskstats
  • gotenv - Loads environment variables from .env file
  • Gotgo - A Go preprocessor that provides an implementation of generics
  • go-translate - Google Language Translate library
  • go-uuid - Universal Unique IDentifier generator and parser
  • gouuid - Pure Go UUID v3, 4 and 5 generator compatible with RFC4122
  • go-villa - Some miscellaneous wrapper and small algorithms.(wrappers to slices, priority queues, path related apis, a string set type)
  • Hranoprovod - Command-line calorie tracking
  • lineup - A minimalistic message queue server
  • mitigation - Package mitigation provides the possibility to prevent damage caused by bugs or exploits.
  • nma.go - A NotifyMyAndroid client for go.
  • notify - File system event notification library with API similar to os/signal.
  • passwd - A parser for the /etc/passwd file
  • pool - A generic worker pool
  • procfile - A Procfile parser
  • Prometheus Instrumentation/Metrics Client - This is a whitebox instrumentation framework for servers written in Go. It exposes programmatically-generated metrics automatically for use in the Prometheus time series collection and post-processing environment.
  • randat - Devel tool for generating random bytestrings and encoding files in code-friendly forms
  • recycler - A more flexible object recycling system than sync.Pool. Provides constructors and destructors for the objects as well as control over the length the free.
  • replaykit - A library for replaying time series data.
  • serial - Serial ports API (pure Go)
  • sio - Package sio lets you access old serial junk. It‘s a go-gettable fork and modification of dustin’s rs232 package.
  • stats - Monitors Go MemStats + System stats such as Memory, Swap and CPU and sends via UDP anywhere you want for logging etc...
  • symutils - Various tools and libraries to handle symbolic links
  • twitterfetcher - A tool to make Twitter API requests using the Application-only authentication
  • udis86 - Go bindings for libudis86
  • ugo - underscore.js like toolbox for Go
  • Vboxgo - user-like access to VirtualBox VMs from Go.
  • Wukong - A highly extensible full-text search engine written in Go.
  • xplor - Files tree browser for p9p acme
  • yubigo - Yubikey OTP validation and auhtentication API client.

Music

  • gmask - Go adaptation of the Cmask utility for Csound
  • go-csnd6 - Go binding to the Csound6 API
  • go-csperfthread - Go binding to the CsoundPerformanceThread helper class of the Csound6 API
  • go-libshout - Go bindings for libshout
  • gompd - A client interface for the MPD (Music Player Daemon)
  • launchpad - A Go client for Novation Launchpad
  • portmidi - Go bindings for libportmidi

Networking

DNS

  • bitz - BitMessage client node and library
  • dingo - A DNS client in Go that supports Google DNS over HTTPS
  • dns - A DNS library in Go
  • dnsimple - an interface to the DNSimple API
  • dyndnscd - a configurable dyndns client
  • GeoDNS - geo-aware authoritative DNS server
  • grong - Small authoritative DNS name server
  • mdns - Multicast DNS library for Go
  • hostsfile - /etc/hostsfile reverse lookup IP => names
  • dnss - DNS secure proxy, supports DNS over HTTPS and GRPC
  • domainerator - Command line tool to combine wordlist and suffixes/TLDs into domain names and check if they are registered or not.

FTP

  • ftp4go - An FTP client for Go, started as a port of the standard Python FTP client library
  • ftp - Package ftp provides a minimal FTP client as defined in RFC 959
  • ftps - An implementation of the FTPS protocol
  • goftp - A FTP client library

HTTP

  • apiproxy - proxy for HTTP/REST APIs with configurable cache timeouts
  • boom - HTTP(s) benchmarking tool, Apache Benchmark replacement
  • eventsource - Server-sent events for net/http server.
  • fasthttp - Fast HTTP package for Go
  • gbench - HTTP(s) Load Testing And Benchmarking Tool inspired by Apache Benchmark and Siege.
  • gobench - HTTP/HTTPS load test and benchmark tool
  • go-curl - libcurl bingding that supports go func callbacks
  • goproxy - a programmable HTTP proxy.
  • handlers - Collection of useful HTTP middlewares.
  • gostax - A Streaming API for XML (StAX) in go

IMAP

  • go-imap - An IMAP library for clients and servers.
  • go-imap - IMAP client library
  • go-imap - Implementation of IMAP4rev1 client, as described in RFC 3501

Instant Messaging

  • hanu - Framework for writing Slack bots
  • gobir - Extensible IRC bot with channel administration, seen support, and go documentation querying
  • goexmpp - XMPP client implementation
  • goirc - event-based stateful IRC client framework
  • go-irc - Simple IRC client library
  • gorobot - a modular IRC bot
  • go-xmpp - XMPP client library
  • ircflu - IRC bot with support for commands, scripting and web-hooks
  • irc.go - Go IRC bot framework
  • sirius - A fast and ultra-lightweight chat server written in Go
  • xmpp-client - an XMPP client with OTR (off-the-record) support

NNTP

  • go-nntp - An NNTP client and server library for go

Protocol Buffers

  • gogoprotobuf - another Go implementation of Protocol Buffers, but with extensions and code generation plugins.
  • golang_protobuf_extensions - Protocol Buffer extensions to support streaming message encoding and decoding.
  • goprotobuf - the Go implementation of Google's Protocol Buffers
  • protorpc - Google Protocol Buffers RPC for Go and C++

rsync

  • replican-sync - An rsync algorithm implementation in Go
  • Rsync - Rsync algorithm as a Go library

Telnet

  • telnet - Package telnet provides TELNET and TELNETS client and server implementations, for the Go programming language, in a style similar to the “net/http” library (that is part of the Go standard library) including support for “middleware”; TELNETS is secure TELNET, with the TELNET protocol over a secured TLS (or SSL) connection.
  • telnet - A simple interface for interacting with Telnet connection
  • telnets - A client for the TELNETS (secure TELNET) protocol.

VNC

  • glibvnc - Go wrapper using CGO for the libvnc library.

Websockets

  • Gorilla WebSocket - WebSocket protocol implementation
  • websocketd - HTTP server that converts STDIN/STDOUT program into WebSockets service. Also handles HTML and CGI.
  • wst - A dead simple WebSocket tester
  • ws-cli - WebSocket command line client

ZeroMQ

  • goczmq - Wrapper for the CZMQv3 interface - blog post
  • gozmq - Go Bindings for 0mq (zeromq/zmq)
  • zmq2 - A Go interface to ZeroMQ (zmq, 0MQ) version 2.
  • zmq3 - A Go interface to ZeroMQ (zmq, 0MQ) version 3.
  • zmq4 - A Go interface to ZeroMQ (zmq, 0MQ) version 4.

Misc Networking

  • betwixt - Betwixt implements the OMA Lightweight M2M (LWM2M) protocol for Device Management and Monitoring
  • canopus - CoAP Client/Server implementation (RFC 7252)
  • chunkedreader - A light weight library for reading continuous fixed sized messages from TCP streams.
  • circle - Go interface to the libcircle distributed-queue API
  • createsend-go - API client for Monitor http://www.campaignmonitor.com (email campaign service)
  • dmrgo - Library for with Hadoop Streaming map/reduce
  • doozerconfig - Go package for managing json-encoded configuration in Doozer
  • doozerd - A consistent distributed data store
  • endless Zero downtime restarts for go servers (Drop in replacement for http.ListenAndServe/TLS)
  • gearman-go - A native implementation for Gearman API with Go.
  • Glue - Robust Go and Javascript Socket Library (Alternative to Socket.io)
  • goagain - zero-downtime restarts in Go
  • Go Ajax - Go Ajax is a JSON-RPC implementation designed to create AJAX powered websites.
  • gobeanstalk - Go Beanstalkd client library
  • go-camo - Go http image proxy (camo clone) to route images through SSL
  • go-dbus - A library to connect to the D-bus messaging system
  • go-diameter - Diameter stack and Base Protocol (RFC 6733)
  • go-smpp - SMPP 3.4 protocol implementation
  • go-flowrate - Data transfer rate control (monitoring and limiting)
  • gogammu - Library for sending and receiving SMS
  • go-icap - ICAP (Internet Content Adaptation Protocol) server library
  • gonetbench - Simple TCP benchmarking tool
  • gonetcheck - package for checking general internet access
  • goodhosts - Simple hosts file (/etc/hosts) management in Go
  • gopacket - Packet encoding/decoding, pcap/pfring/afpacket support, TCP assembly, and more!
  • gopcap - A simple wrapper around libpcap
  • goq - A persistent message queue written in Go.
  • goradius - A Radius client written in Go
  • go-rpcgen - ProtoBuf RPC binding generator for net/rpc and AppEngine
  • gorpc - RPC optimized for high load
  • GoRTP - RTP / RTCP stack implementation for Go
  • GoSIPs - SIP (Session Initiation Protocol) Stack in Go
  • mqtt - MQTT stack in Go
  • gosndfile - Go binding for libsndfile
  • gosnmp - an SNMP library written in GoLang.
  • go-socket.io - A Socket.IO backend implementation written in Go
  • gosocks - A SOCKS (SOCKS4, SOCKS4A and SOCKS5) proxy client library in Go.
  • go-sslterminator - SSL terminator proxy
  • go-statsd-client - Go statsd client library
  • Grumble - Mumble (VoIP) server implementation
  • handlersocket-go - Go native library to connect to HandlerSocket interface of InnoDB tables
  • HomeControl - an implementation of Apple's HomeKit Accessory Protocol (HAP)
  • Hprose - Hprose is a High Performance Remote Object Service Engine.
  • httpfstream - streaming append and follow of HTTP resources (using WebSockets)
  • ipaddress - Convenient ip address functions: ip -> int, int -> ip, and IPNet broadcast address
  • iris-go - Go binding for the Iris decentralized messaging framework.
  • iris - Peer-to-peer messaging for back-end decentralization.
  • kafka.go - Producer & Consumer for the Kafka messaging system
  • lcvpn - Decentralized VPN implementation
  • ldap - Basic LDAP v3 functionality for the GO programming language.
  • mbxchan - An easy communication between distributed Go applications using standard Go channels and remote procedure calls.
  • nagiosplugin - package for writing Nagios/monitoring plugins
  • NATS - NATS distributed messaging system client for Go
  • netsnail - A low-bandwidth simulator
  • netutils - Simple interface for turning TCP Sockets into channels.
  • npipe - a pure Go wrapper for Windows named pipes
  • norm - reliable UDP using multicast and unicast sockets
  • opendap - Go wrapper for Openldap
  • pusher-http-go - Go library for interacting with the Pusher Realtime API
  • QRP - QRP is a simple packet-based RPC protocol designed as a simple alternative to Go's rpc, that can run over UDP
  • remotize - A remotize package and command that helps remotizing methods without having to chaneg their signatures for rpc
  • rs232 - Serial interface for those of us who still have modems (or arduinos)
  • rss - RSS parsing library.
  • seamless - Reverse TCP Proxy with HTTP management API
  • shell2http - Executing shell commands via simple http server
  • sockjs-go - Implements server side counterpart for the SockJS-client browser library.
  • SOCKS5 Server - Scalable SOCKS5 server with Access Control Lists
  • spark - Emergency web server (for static files)
  • spdy - SPDY library, wired into net/http, currently supporting servers only.
  • statsd-go - Statsd implementation in Go, forked from gographite, which submits to Ganglia
  • stompngo_examples - Examples for stompngo.
  • stompngo - A Stomp 1.1 Compliant Client
  • tcp_fallback - A TCP proxy implementing a simple fallback mechanism.
  • tcpmeter - A TCP throughput measuring tool
  • toxiproxy - Framework for simulating network conditions.
  • traceroute - A traceroute implementation
  • traefik - Modern, reverse proxy in Go
  • Uniqush - A free and open source software which provides a unified push service for server-side notification to apps on mobile devices.
  • uritemplates - A level 4 implementation of URI Templates (RFC 6570)
  • VDED - Vector Delta Engine Daemon - track deltas in ever-increasing values (written in Go)
  • zero-downtime-daemon - Configurable zero downtime daemon (Hot Update) framework for any kind of TCP,HTTP,FCGI services
  • zeroupgrade - Upgrades network servers with zero downtime
  • cwmp-proxy - Reverse cwmp proxy
  • netstat-nat - Display NAT entries on Linux systems
  • go-nat-pmp - A client for the NAT-PMP protocol used in Apple and open-source routers
  • humanize-bytes - Command-line utilities to convert “MiB” etc to raw numbers, and back

Operating System Interfaces

  • Go FUSE file system library - From-scratch implementation of the kernel-userspace communication protocol based on Russ Cox'.
  • Go-fuse - Library to write FUSE filesystems in Go
  • go-osx-xattr - Package xattr wraps OS X functions to manipulate the extended attributes of a file, directory and symbolic link.
  • inspect/os - Metrics library for operating system measurements (Linux/MacOSX)
  • service - Service will install / un-install, start / stop, and run a program as a service (daemon) on Windows/Linux and OSX.
  • go-nbd - Library to write block devices for Linux in Go.

Other Random Toys, Experiments and Example Code

P2P and File Sharing

  • DHT - Kademlia DHT node used by Taipei-Torrent, compatible with BitTorrent
  • ed2kcrawler - eDonkey2000 link crawler
  • gop2p - A simple p2p app to learn Go
  • go-p2p - P2P module for blockchains and more
  • GoTella - A Go implementation of the Gnutella Protocol
  • Taipei-Torrent - A BitTorrent client
  • Tendermint - P2P Byzantine-Fault-Tolerant consensus & blockchain stack
  • wgo - A simple BitTorrent client based in part on the Taipei-Torrent and gobit code

Programming

Resource Embedding

  • 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-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.

RPC

  • gowsdl - WSDL code generation
  • gRPC - Google's multi-language RPC framework with Go support

Scanner and Parser Generators

  • ebnf2y - Utility for converting EBNF grammars into yacc compatible skeleton .y files.
  • gocc - Go Compiler Compiler
  • golex - Lex/flex like fast (DFA) scanners generator.
  • gopp - Go Parser Parser
  • goyacc - Goyacc is a version of yacc generating Go parsers.
  • y - Package y converts .y (yacc) source files to data suitable for a parser generator.
  • yy - yacc to yacc compiler.
  • flexgo - A version of flex that can produce Go code.
  • fsm - FSM (NFA, DFA) utilities.
  • Ragel - State Machine Compiler
  • lexmachine - Lexical Analysis Framework for Golang

Security

  • acme - ACME certificate acquisition tool
  • casbin - An authorization library that supports access control models like MAC, RBAC, ABAC
  • gryffin - A large scale security scanner by Yahoo!
  • hyperfox - a security tool for proxying and recording HTTP and HTTPs communications on a LAN
  • lego - Let's Encrypt client and ACME library
  • webseclab - a sample set of web security test cases and a toolkit to construct new ones

Simulation Modeling

  • godes - Library for building discrete event simulation models

Sorting

  • funnelsort - Lazy funnel sort -- a cache-oblivious sorting algorithm
  • Sortutil - Nested, case-insensitive, and reverse sorting for Go.
  • sortutil - Utilities supplemental to the Go standard “sort” package
  • tarjan - Graph loop detection function based on Tarjan's algorithm
  • timsort - Fast, stable sort, uses external comparator or sort.Interface

Source Code Management

  • Gitfile - A lightweight package manager for installing git repos
  • go-deps - Analyzes and recursively installs Go package deps (library functionality similar to go get)
  • go-diff - A diff command for go languange showing semantic differences of two go source files.
  • gogitver - Embeds a git tag (version string) into your application
  • go-many-git - Manage and run commands across multiple git repositories
  • go-pkgs - Finds all matching packages in all of the GOPATH trees (library functionality similar to go list all)
  • go-vcs - clone and check out revs of VCS repositories (git and hg support)
  • go-vcsurl - Lenient VCS repository URL parsing library
  • hggofmt - A Mercurial/hg extension with a hook to
  • nut - Nut is a tool to manage versioned Go source code packages, called “nuts”.
  • vcstool - VCS abstraction tool

Storage

Strings and Text

  • allot - Placeholder and wildcard text parsing for CLI tools and bots
  • awk - Easy AWK-style text processing in Go
  • binarydist - Binary diff and patch
  • Black Friday - A markdown processor
  • codename-generator - A codename generator meant for naming software releases
  • columnize - format slice or array into aligned columns
  • csvplus - Extends the standard Go encoding/csv package with fluent interface, lazy stream operations, indices and joins.
  • csvutil - A heavy duty CSV reading and writing library.
  • dgohash - Collection of string hashing functions, including Murmur3 and others
  • douceur - A simple CSS parser and inliner in Go.
  • dsv - A library for working with delimited separated value (DSV).
  • flux - Fluent Regular Expressions in golang
  • genex - Expansion of Regular Expressions
  • gettext-go - GNU's gettext support, written in pure Go
  • gettext - Golang bindings for gettext; Feature complete, cgo
  • go-colortext - Change the color of the text and background in the console, working both in Windows and other systems.
  • go-guess - Go wrapper for libguess
  • goagrep - fast fuzzy string matching using precomputation
  • goini - A go library to parse INI files
  • golorem - lorem ipsum generator
  • go-migemo - migemo extension for go (Japanese incremental text search)
  • go-ngram N-gram index for Go
  • goregen - A Go library for generating random strings from regular expressions.
  • goskirt - Upskirt markdown library bindings for Go
  • gosphinx - A Go client interface to the Sphinx standalone full-text search engine
  • govalidator - Package of string validators and sanitizers
  • gpKMP - String-matching in Go using the Knuth–Morris–Pratt algorithm
  • hangul - Handy tools to manipulate Korean character
  • html2text - Golang HTML to text conversion library
  • kasia.go - Templating system for HTML and other text documents
  • kview - Simple wrapper for kasia.go templates. It helps to modularize content of a website
  • logparse - Parser for most common log formats
  • NTemplate - Nested Templates
  • parse - PEG parser that uses reflection to define grammar
  • peg - Parsing Expression Grammer Parser
  • plural - No-fuss plurals for formatting both countable and continuous ranges of values.
  • polyglot - String translation utilities for Go
  • pretty.go - Pretty-printing for go values
  • raymond - A complete handlebars implementation in Go.
  • rubex - A simple regular expression library that supports Ruby's regex syntax. It is faster than Regexp.
  • sanitize - Package sanitize provides functions for sanitizing html and text.
  • scanner - A text scanner that parses primitive types, analogous to Java's
  • segment - An implementation of Norvig's recursive word segmentation algorithm
  • sprig - Template functions for Go templates.
  • strftime - strftime implementation
  • strit - Package strit introduces a new type of string iterator, as well as a number of iterator constructors, wrappers and combinators.
  • strogonoff - Stenography with Go
  • strutil - Package strutil collects utils supplemental to the standard strings package.
  • text - Text paragraph wrapping and formatting
  • Tideland golib - Stringex package for statistcal analysis
  • useragent - User agent string parser
  • xurls - Extract urls from text

Testing

  • assert - Basic Assertion Library used along side native go testing, with building blocks for custom assertions

  • assert - Assert for go test.

  • assert - Handy assert package.

  • assert - JUnit-like asserts with excellent error messages

  • conex - Docker containers for integration tests

  • counterfeiter - Tool for generating self-contained and type-safe mocks.

  • downtest - Automatically run tests for all known downstream consumers of a Go package.

  • ginkgo - BDD Testing Framework for Go.

  • go2xunit - Convert “go test -v” output to xunit XML output

  • go-assert - Testing utils for Go.

  • goautotest - Automatically run unit tests when code changes are made

  • goblin - Minimal and Beautiful Go testing framework

  • Gocheck - Rich test framework with suites, fixtures, assertions, good error reporting, etc

  • GoConvey - Browser-based reporting, uses go test, supports traditional Go tests, clean DSL

  • gocov - Code coverage testing/analysis tool

  • gomega - Ginkgo's Preferred Matcher Library.

  • gomock - a mocking framework for Go.

  • GoSpec - a BDD framework

  • gospecify - another BDD framework

  • go-stat - performant instrumentation/profiling for Go

  • go-tap - TAP (Test Anything Protocol) parser in Go

  • gounit - xunit for Go

  • GSpec - Expressive, reliable, concurrent and extensible Go test framework that makes it productive to organize and verify the mind model of software.

  • httpexpect - Concise, declarative, and easy to use end-to-end HTTP and REST API testing

  • Nitro - A quick and simple profiler For Go

  • mspec - BDD framework that frees you to Stub and Spec your code first with natural BDD language.

  • muxy - Simulating real-world distributed system failures.

  • Pegomock - a mocking framework based on golang/mock, but uses a DSL closely related to Mockito.

  • terst - A terse, easy-to-use testing library for Go

  • test2doc - Generate documentation for your go units from your unit tests.

  • testfixtures - Rails' like test fixtures for testing database driven apps.

  • testflight - Painless http testing in Go

  • Testify - A set of packages that provide many tools for testifying that your code will behave as you intend.

  • ut - Awesome mocks without magic.

Validation

  • validator - Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving
  • validation - Simple independent struct/key-value validation

Version Control

  • git (in go) - Minimal working git client in Go
  • gogs - Self-hosting Git Server in Go
  • semver - Semantic Versioning (SemVer) library

Virtual Machines and Languages

  • agora - A dynamically typed, garbage collected, embeddable programming language built with Go
  • anko - Scriptable interpreter written in golang
  • forego - Forth virtual machine
  • Gelo - Extensible, embeddable interpreter
  • GoEmPHP - This package is built for Embedding PHP into Go
  • goenv - Create an isolated environment where you install Go packages, binaries, or even C libraries. Very similar to virtualenv for Python.
  • GoForth - A simple Forth parser
  • golemon - A port of the Lemon parser-generator
  • GoLightly - A flexible and lightweight virtual machine with runtime-configurable instruction set
  • goll1e - An LL(1) parser generator for the Go programming language.
  • Golog - Prolog interpreter in Go
  • go-lua - Shopify's lua interpreter
  • golua - A fork of GoLua that works on current releases of Go
  • gomruby - mruby (mini Ruby) bindings for Go
  • gopher-lua - A Lua 5.1 VM and compiler written in Go
  • go-php - PHP bindings for Go
  • go-python - go bindings for CPython C-API
  • gotcl - Tcl interpreter in Go
  • v8 - V8 JavaScript engine bindings for Go (supports V8 builds at least up to 5.8.244)
  • go-v8 - V8 JavaScript engine bindings for Go
  • LispEx - A dialect of Lisp extended to support for concurrent programming, written in Go.
  • meme - Scheme interpreter in Go
  • Minima - A language implemented in Go
  • ngaro - A ngaro virtual machine to run retroForth images
  • otto - A JavaScript parser and interpreter written natively in Go
  • RubyGoLightly - An experimental port of TinyRb to Go

Web Applications

  • Caddy - A fast, capable, general-purpose HTTP/2 web server that's easy to use
  • Digestw - A Web Application - Twitter's Timeline Digest
  • fabio - A fast zero-conf load balancing HTTP router for microservices.
  • fourohfourfound - A fallback HTTP server that may redirect requests with runtime configurable redirections
  • Fragmenta - A CMS built in Go
  • freegeoip - IP geolocation web service (web server of freegeoip.net)
  • goals-calendar - A web-based Seinfeld calendar implemented in Go
  • goblog - A static blog engine
  • gocrawl - A polite, slim and concurrent web crawler.
  • goflash - Flash player implementation in Go language
  • gogallery - simple web server with an emphasis on easily browsing images
  • goof - A simple http server to exchange files over http (upload/download)
  • gopages - A php-like web framework that allows embedding Go code in web pages
  • go_spider - A flexible ,modularization and concurrent web crawler framework.
  • GoURLShortener - A frontend for the http://is.gd/ URL shortener
  • gowall - A website and user system
  • httpfolder - A http server to exchange files over http with basic authentication (upload/download)
  • Hugo - A fast and flexible static site generator implemented in Go
  • Já Vai Tarde - Unfollows monitoring for Twitter
  • kurz.go - a url shortener based on web.go and redis
  • Monsti - Resource friendly flat file CMS for private and small business sites.
  • now.go - A simple HTTP-based to-do queue.
  • Peach - A web server for multi-language, real-time synced and searchable documentation.
  • rabbitmq-http - REST API for RabbitMQ
  • serve-files - Far-future and gzip wrapper around the standard net/http server.
  • sf_server - a tiny send file server and client
  • Tideland golib - Web package for REST request handling
  • Vantaa - A modular blogging API engine written in Go, Neo4j and Polymer.
  • websiteskeleton - Simple net/http website skeleton
  • webtf - Web app to graphical visualization of twitter timelines using the HTML5
  • Wikifeat - Extensible wiki system using CouchDB written in Golang
  • Freyr - Server for storing and serving readings from plant environment sensors. Integrates Golang API with ReactJS web app; uses Docker for testing/deployment.
  • Rickover - Job queue with a HTTP API, backed by Postgres

Web Libraries

Authentication

  • goth - Package goth provides a simple, clean, and idiomatic way to write authentication packages for Go web applications
  • authcookie - Package authcookie implements creation and verification of signed authentication cookies.
  • dgoogauth - Go port of Google's Authenticator library for one-time passwords
  • goauth - A library for header-based OAuth over HTTP or HTTPS.
  • GOAuth - OAuth Consumer
  • go-http-auth - HTTP Basic and HTTP Digest authentication
  • Go-OAuth - OAuth 1.0 client
  • goha - Basic and Digest HTTP Authentication for Go http client
  • hero - OAuth server implementation - be an OAuth provider with Go
  • httpauth-go - Package httpauth provides utilities to support HTTP authentication policies. Support for both the basic authentication scheme and the digest authentication scheme are provided.
  • httpauth - HTTP session (cookie) based authentication and authorization
  • oauth1a - OAuth 1.0 client library
  • OAuth Consumer - OAuth 1.0 consumer implementation
  • otp - HOTP and TOTP library with command line replacement for Google Authenticator
  • totp - Time-Based One-Time Password Algorithm, specified in RFC 6238, works with Google Authenticator
  • go-otp - Package go-otp implements one-time-password generators used in 2-factor authentication systems like RSA-tokens. Currently this supports both HOTP (RFC-4226), TOTP (RFC-6238) and Base32 encoding (RFC-3548) for Google Authenticator compatibility

DOM handling

  • Cascadia - CSS selector library
  • GoQuery - jQuery-like DOM manipulation library, using Go's experimental HTML package.
  • goq - jQuery-like declarative struct tag scraping and unmarshaling based on GoQuery.
  • html-query - A fluent and functional approach to querying HTML.
  • HTML Transform - A CSS selector based html scraping and transformation library

Frameworks and Toolkits

  • Air - An ideal RESTful web framework for Go.
  • alien - A lightweight and fast http router
  • app.go - Web framework for google app engine
  • arasu - A Lightning Fast Web Framework written in Go & Dart
  • Beego - Beego is an open source version of the scalable, non-blocking web framework.
  • browserspeak - Generate HTML templates, CSS or SVG without writing < or >
  • httpcoala - Library for request coalescing - handy for reverse proxies.
  • falcore - Modular HTTP server framework
  • fcgi_client - Go fastcgi client with fcgi params support
  • florest - High-performance workflow based REST API framework in Go
  • forgery - A clone of the superb Node.js web framework Express.
  • Gin Web Framework - Martini-like API and httprouter gives it good performance.
  • Goal - A toolkit for high productivity web development in Go language built around the concept of code generation.
  • Go-Blog - Blog framework written in Go
  • go-fastweb - aims to be a simple, small and clean MVC framework for go
  • goku - a Web Mvc Framework for Go, mostly like ASP.NET MVC.
  • Golanger - Golanger Web Framework is a lightweight framework for writing web applications in Go.
  • Goldorak.Go - a web miniframework built using mustache.go, web.go and Go-Redis
  • go-restful - lean package for building REST-style Web Services
  • GoRest - An extensive configuration(tags) based RESTful style web-services framework.
  • go-rest - A small and evil REST framework for Go
  • gorilla - Gorilla web toolkit
  • GoSrv - A Go HTTP server that provides simple command line functionality, config loading, request logging, graceful connection shutdown, and daemonization.
  • go-start - A high level web-framework for Go
  • go-urlshortener - interface to google's urlshorten API
  • goweb - Lightweight RESTful web framework for Go providing Ruby on Rails style routing
  • go-webproject - Modular web application framework and app server
  • Gowut - Go Web UI Toolkit is a full-featured, easy to use, platform independent Web UI Toolkit written in pure Go.
  • HttpRouter - A high performance HTTP request router that scales well
  • limiter - Simple rate limter middleware for Go
  • Macaron - Modular web framework in Go
  • mango - Mango is a modular web-application framework for Go, inspired by Rack, and PEP333.
  • Martini deprecated - Martini is a popular, lightweight, extensible package for writing modular web apps/services in Go
  • Negroni - Idiomatic middleware for Go
  • restclient - Client library for interacting with RESTful APIs.
  • resty - REST client library inspired by Ruby rest-client.
  • Revel - High productivity web framework modeled on Play! Framework
  • Ringo - Lighweight MVC web framework inspired by Rails, Gin.
  • sawsij - Provides a small, opinionated web framework.
  • Tango - Micro-kernel & pluggable web framework for Go
  • Tiger Tonic - framework for building JSON web services inspired by Dropwizard
  • trinity - MVC framework
  • Utron - MVC Framework
  • Violetear - HTTP router
  • web.go - a simple framework to write webapps
  • wfdr - Simple web framework designed for and written in go. Works with other languages as well, but not as well.
  • xweb - A web framework for Go. Just like Struts for Java.

HTML forms

  • form - Complete bidirectional HTML form encoder & decoder (x-www-form-urlencoded) for arbitrary data (package encoding compatible)
  • gforms - HTML forms for Go
  • Go-FORM-it - Go library for easy and highly-customizable forms creation and template rendering.
  • GoForms - Form data validation, cleaning and error reporting - a la django.forms
  • htmlfiller - Fills in html forms with default values and errors a la Ian Bicking's htmlfill for Python
  • MonstiForm - HTML form generator and validator library
  • revel-csrf - Cross-Site Request Forgery (CSRF) attacks prevention for the Revel framework
  • xsrftoken - A package for generating and validating tokens used in preventing XSRF attacks

Public API Wrappers

  • adn - Interface to the App.net API
  • anaconda - Client library for the Twitter 1.1 API
  • ddg - DuckDuckGo API interface
  • facebook - Up-to-date facebook graph API client. Handy and flexible
  • filepicker-go - Go library for the Filepicker's REST API
  • firebase - Client library for the Firebase REST API
  • gh - Scriptable server and net/http middleware for GitHub Webhooks API
  • gobo - Client library for Sina Weibo
  • gocaptcha - gocaptcha provides easy access to the reCaptcha API in go
  • go-dealmap - Go library for accessing TheDealMap's API
  • go-dropbox - API library for dropbox
  • go-flickr - A wrapper for Flickr's API
  • go-get-youtube - A simple library+client for fetching meta data of, and downloading Youtube videos
  • go-github - Go library for accessing the GitHub API
  • go-gravatar - Wrapper for the Gravatar API
  • go-hummingbird - Go library for accessing the Hummingbird.me API
  • go-libGeoIP - GO Lib GeoIP API for Maxmind
  • gominatim - Go library to access nominatim geocoding services
  • gomojo - Instamojo API wrapper
  • gomwapi - Access mediawiki contents like wikipedia, wiktionary in golang
  • go-myanimelist - Go library for accessing the MyAnimeList API
  • googtrans - unofficial go bindings for Google Translate API v2
  • go-recaptcha - Handles reCaptcha form submissions in Go
  • gorecurly - A Client app to use with Recurly's api
  • go.strava - Official client library for the Strava V3 API
  • go.stripe - a simple credit card processing library for Go using the Stripe API
  • Gotank - Searchify's Go client for the IndexTank full-text search API
  • go-tripit - Go API library for the TripIt web services
  • GoTwilio - Twilio library for Go (golang). Very basic at the moment
  • gravatar - Gravatar image/profile API library
  • jsonapi - Generate JSON API from Go structs
  • postmark - Access postmark API from Go
  • reddit.go - Client library for Reddit API
  • shorturl - Generic implementation for interacting with various URL shortening services
  • Stack on Go - Go wrapper for Stack Exchange API
  • stripe - Official Stripe client library
  • SocialSharesCount - Wrapper API on multiple social websites to get URL share statistics
  • twilio - Simple Twilio API wrapper
  • twittergo - Client library for Twitter's API
  • cloudcomb-go-sdk - Go client library for CloudComb

Other

  • adhoc-http - Quick & dirty HTTP static file server
  • assets - Helps prepares CSS and JS files for development and production of Go web apps.
  • bwl - a set of libraries to help build web sites
  • captcha - Image and audio captcha generator and server
  • gaerecords - Lightweight wrapper around appengine/datastore providing Active Record and DBO style management of data
  • get2ch-go - a library to access the 2channel Japanese web bulletin board
  • gofeed - Parse RSS and Atom feeds in Go
  • go-gzip-file-server - A net.http.Handler similar to FileServer that serves gzipped content
  • gohaml - An implementation of the popular XHTML Abstraction Markup Language using the Go language.
  • go-httpclient - a Go HTTP client with timeouts
  • gojwt - Json Web Tokens for Go
  • go-pkg-rss - a packages that reads RSS and Atom feeds
  • gorefit - A library for theming existing websites
  • goreman - foreman clone
  • GoRequest - Simplified HTTP client with rich features such as proxy, timeout, and etc. ( inspired by nodejs SuperAgent )
  • goroute - A very simple URL router based on named submatches of regular expression that works well with http.Handler .
  • gorouter - Simple router for go to process url variables
  • go-rss - Simple RSS parser and generator
  • go-rss - Simple RSS parser, tested with Wordpress feeds.
  • goscribble - An MPD Audioscrobble
  • go-twitter - another Twitter client
  • go-twitter-oauth - a simple Twitter client (supports OAuth)
  • grender - Go static site generator
  • halgo - HAL-compliant API client and serialisation library.
  • http-gonsole - Speak HTTP like a local. (the simple, intuitive HTTP console, golang version)
  • httprpc - HTTP RPC codecs (json2, soap, rest)
  • HypeCMS - A flexible CMS built with Go and MongoDb.
  • Kontl - A client for kon.tl's URL shortening service
  • mustache.go - an implementation of the Mustache template language
  • muxer - Simple muxer for a Go app without regexp
  • Optimus Sitemap Generator - A universal XML sitemap generator
  • passwordreset - Creation and verification of secure tokens useful for implementation of “reset forgotten password” feature in web applications.
  • pat - A Sinatra style pattern muxer
  • persona - remote verification API for persona
  • plex - simple, small, light, regexp http muxer with chaining
  • purell - tiny Go library to normalize URLs
  • pusher.go - HTTP Server Push module for the standard http package
  • rest2go - Based on rest.go, forked for improvements and REST consistency
  • rest.go (forked) - forked rest.go for improvements and REST consistency
  • robotstxt - The robots.txt exclusion protocol implementation. Allows to parse and query robots.txt file.
  • seshcookie - A web session library inspired by Beaker
  • soy - A Go implementation for Soy templates (Google Closure templates). High performance and i18n.
  • user_agent - An HTTP User-Agent parser
  • webtestutil - Web and HTTP functional testing utilities. Includes Gorilla testing support.
  • aop - Aspect Oriented Programming For Go.
  • yt2pod - Daemon that monitors YouTube channels and publishes audio podcasts of them

Windows

  • gform - An easy to use Windows GUI toolkit for Go
  • go-ole - win32 ole implementation for golang
  • go-Windows-begin - for the absolute Windows-Go beginner
  • w32 - Windows API wrapper for Go.
  • walk - “Windows Application Library Kit” for the Go Programming Language
  • Windows Command Line Shutdow - A tool to shutdown Windows Computer from Command Prompt

Unix

  • inspect - Linux and MacOSX systems monitoring and diagnostics
  • unixsums - Legacy Unix checksums: cksum, sum

Unsorted; please help!

The following entries have not been filed. Please help by putting these in relevant categories.

  • GoBot - PoC Go HTTP Botnet
  • ebml-go - EBML decoder
  • go-bindata - Converts any file into manageable Go source code for embedding binary data into a Go program.
  • goconsistenthash - Consistent hashing library (based on http://www.lexemetech.com/2007/11/consistent-hashing.html)
  • go-cron - A small cron job system to handle scheduled tasks, such as optimizing databases or kicking idle users from chat. The cron.go project was renamed to this for go get compatibility.
  • godebiancontrol - Golang debian control file parser
  • go-gmetric - Ganglia gmetric protocol support
  • gographviz - Graphviz DOT language parser for golang
  • godotviz - Rendering graphics files from “DOT language”. Written in golang
  • dotviz-server - WebBased DOT language visualization tool written in go
  • goseq - command line tool, written in Go, for creating sequence diagrams using a text-based description language.
  • golor - golor is a command line tool for golang source code coloring
  • gopcapreader - Presents realtime pcap data as io.Reader objects
  • go.psl - Go regdom-libs/public suffix list
  • go-webfinger - Simple Client Implementation of WebFinger
  • httptail - tools push stdout/stderr to http chunked
  • img-LinuxFr.org - A reverse-proxy cache for external images used on LinuxFr.org
  • seed - Easily seed PRNGs with some entropy
  • spellabc - Package spellabc implements spelling alphabet code word encoding.
  • Twackup - Backs up your tweets into local files
  • Tasks - A simplistic todo list manager written in Go