一直更新中，地址：https://github.com/golang/go/wiki/Projects#zeromq

Indexes and search engines

These sites provide indexes and search engines for Go packages:

• awesome-go – A community curated list of high-quality resources.
• Awesome Go @LibHunt – Your go-to Go Toolbox.
• godoc.org – A documentation browser for any Go open source package.
• go-hardware – Curated list of resources for using Go on non-standard hardware.
• go-patterns – Commonly used patterns and idioms for Go.
• gopm.io – Download Go packages by version
• go-search – Search engine dedicated to Go projects and source.
• gowalker – API documentation generator and search.
• Golang Data Science – Curated list of data science libraries for Go.
• Go Report Card – Code quality summaries for any Go project.
• Sourcegraph – Source indexing, analysis and search.

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
• Build Tools
• Caching
• Cloud Computing
• Command-line Option Parsers
• Command-line Tools
• Compression
• Concurrency and Goroutines
• Configuration File Parsers
• Console User Interface
• Continuous Integration
• Cryptography
• Databases
• Data Processing
• Data Structures
• Date
• Development Tools
• Distributed/Grid Computing
• Documentation
• Editors
• Email
• Encodings and Character Sets
• Error handling
• File Systems
• Games
• GIS
• Go Implementations
• Graphics and Audio
• GUIs and Widget Toolkits
• Hardware
• Language and Linguistics
• Logging & Monitoring
• Machine Learning & AI
• Mathematics
• Microservices
• Miscellaneous
• Music
• Networking
• DNS
• FTP
• HTTP
• IMAP
• Instant Messaging
• NNTP
• Protocol Buffers
• rsync
• Telnet
• VNC
• Websockets
• ZeroMQ
• Misc Networking
• Operating System Interfaces
• Other Random Toys, Experiments and Example Code
• P2P and File Sharing
• Programming
• Resource Embedding
• RPC
• Scanner and Parser Generators
• Security
• Simulation Modeling
• Sorting
• Source Code Management
• Storage
• Strings and Text
• Testing
• Unix
• Unsorted
• Validation
• Version Control
• Virtual Machines and Languages
• Web Applications
• Web Libraries
• Windows

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 – Concurrency-safe 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

• awless – A Mighty command-line interface for Amazon Web Services (AWS).
• 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 – 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.

CockroachDB

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

MongoDB

• mgo – Rich MongoDB driver for Go
• rocks-stata – MongoDB Backup Utility

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

• GoRethink – RethinkDB Driver for Go

SQLite

• gosqlite3 – Go Interface for SQLite3
• gosqlite (forked) – A fork of gosqlite
• gosqlite – a trivial SQLite binding for Go.
• go-sqlite – A database/sql driver and standalone sqlite3 interface
• mattn\’s go-sqlite3 – sqlite3 driver conforming to the built-in database/sql interface

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
• toktok – Creates and resolves unique, typo & error-resilient, human-readable tokens
• 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

• goconc – A collection of useful concurrency idioms and functions for Go, compiled
• go-crazy – An experimental source-to-source compiler for go
• go-gtk-demo – A demonstration of how to use GTK+ with Go.
• go-hashmap – A hash table in pure go as an experiment in Go performance
• golang-examples – A bunch of golang examples
• GolangSortingVisualization – A visualization of various sorting algorithms in Go
• golibs – A collection of tiny go packages (and also a test repo for various CI and coverage services)
• goplay – A bunch of random small programs in Go
• lifegame-on-golang – Game of Life in Go
• linear – Playing around with the linear algebra
• pl0 – PL/0 front end, compiler and VM. .
• project euler in go – Solutions to Project Euler in Go also
• shadergo – shader test using Go
• travisci-golang-example – Travis-CI example for Go

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

• go-clang – cgo bindings to the C-API of libclang
• godeferred – port of jsdeferred: http://cho45.stfuawsc.com/jsdeferred/
• go-galib – a library of Genetic Algorithms
• go-intset – a library to work with bounded sets of integers, including multiple alternative implementations
• go-parse – a Parsec-like parsing library
• sh – a shell/bash parser and formatter
• Shuffle – Implementation of the Fisher–Yates shuffle (or Knuth shuffle) in Go.

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

• Minio – Object Storage compatible with Amazon S3 API
• libStorage – an open source, platform agnostic, storage provisioning and orchestration framework, model, and API
• OpenEBS – Containerized, Open source block storage for your containers,integrated tightly into K8S and other environments and based on distributed block storage and containerization of storage control

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
• intern – Map strings to symbols for constant-time comparisons
• 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

• Presento – The simplest possible cross-platform remote control for the presentations
• 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
• github – Go library for accessing the GitHub REST API v3
• githubql – Go library for accessing the GitHub GraphQL API v4
• 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-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

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• 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