A curated list of awesome Go frameworks, libraries and software.

Audio and Music

425
Oto - A low-level library to play sound on multiple platforms.
299
PortAudio - Go bindings for the PortAudio audio I/O library.
253
music-theory - Music theory models in Go.
248
waveform - Go package capable of generating waveform images from audio streams.
205
portmidi - Go bindings for PortMidi.
107
id3v2 - Fast and stable ID3 parsing and writing library for Go.
101
flac - Native Go FLAC encoder/decoder with support for FLAC streams.
98
mix - Sequence-based Go-native audio mixer for music apps.
92
go-sox - libsox bindings for go.
89
mp3 - Native Go MP3 decoder.
83
flac - No-frills native Go FLAC decoder that decodes FLAC files into byte slices.
70
malgo - Mini audio library.
66
taglib - Go bindings for taglib.
55
gaad - Native Go AAC bitstream parser.
25
minimp3 - Lightweight MP3 decoder library.
24
go_mediainfo - libmediainfo bindings for go.
22
EasyMIDI - EasyMidi is a simple and reliable library for working with standard midi file (SMF).
22
vorbis - "Native" Go Vorbis decoder (uses CGO, but has no dependencies).
8
gosamplerate - libsamplerate bindings for go.

Authentication and OAuth

5851
jwt-go - Golang implementation of JSON Web Tokens (JWT).
4836
casbin - Authorization library that supports access control models like ACL, RBAC, ABAC.
2360
oauth2 - Successor of goauth2. Generic OAuth 2.0 package that comes with JWT, Google APIs, Compute Engine and App Engine support.
2236
goth - provides a simple, clean, and idiomatic way to use OAuth and OAuth2. Handles multiple providers out of the box.
1913
authboss - Modular authentication system for the web. It tries to remove as much boilerplate and "hard things" as possible so that each time you start a new web project in Go, you can plug it in, configure, and start building your app without having to build an authentication system each time.
1537
osin - Golang OAuth2 server library.
1266
go-oauth2-server - Standalone, specification-compliant, OAuth2 server written in Golang.
1113
go-jose - Fairly complete implementation of the JOSE working group's JSON Web Token, JSON Web Signatures, and JSON Web Encryption specs.
1037
gologin - chainable handlers for login with OAuth1 and OAuth2 authentication providers.
900
gorbac - provides a lightweight role-based access control (RBAC) implementation in Golang.
802
loginsrv - JWT login microservice with plugable backends such as OAuth2 (Github), htpasswd, osiam.
519
scs - Session Manager for HTTP servers.
349
permissions2 - Library for keeping track of users, login states and permissions. Uses secure cookies and bcrypt.
232
paseto - Golang implementation of Platform-Agnostic Security Tokens (PASETO).
178
httpauth - HTTP Authentication middleware.
151
jwt-auth - JWT middleware for Golang http servers with many configuration options.
88
session - Go session management for web servers (including support for Google App Engine - GAE).
81
jwt - Lightweight JSON Web Token (JWT) library.
74
branca - Golang implementation of Branca Tokens.
68
jwt - Clean and easy to use implementation of JSON Web Tokens (JWT).
46
sessions - Dead simple, highly performant, highly customizable sessions service for go http servers.
32
securecookie - Efficient secure cookie encoding/decoding.
30
sjwt - Simple jwt generator and parser.
27
rbac - Minimalistic RBAC package for Go applications.
8
sessiongate-go - Go session management using the SessionGate Redis module.
7
signedvalue - Signed and timestamped strings compatible with Tornado's create_signed_value, decode_signed_value, and therefore set_secure_cookie and get_secure_cookie.
2
cookiestxt - provides parser of cookies.txt file format.

Bot Building

1592
telegram-bot-api - Simple and clean Telegram bot client.
940
telebot - Telegram bot framework written in Go.
463
go-chat-bot - IRC, Slack & Telegram bot written in Go.
304
slacker - Easy to use framework to create Slack bots.
214
tbot - Telegram bot server with API similar to net/http.
211
Golang CryptoTrading Bot - A golang implementation of a console-based trading bot for cryptocurrency exchanges.
167
Tenyks - Service oriented IRC bot using Redis and JSON for messaging.
153
Kelp - official trading and market-making bot for the Stellar DEX. Works out-of-the-box, written in Golang, compatible with centralized exchanges and custom trading strategies.
136
go-sarah - Framework to build bot for desired chat services including LINE, Slack, Gitter and more.
108
hanu - Framework for writing Slack bots.
84
go-tgbot - Pure Golang Telegram Bot API wrapper, generated from swagger file, session-based router and middleware.
56
margelet - Framework for building Telegram bots.
24
govkbot - Simple Go VK bot library.
10
micha - Go Library for Telegram bot api.
10
slackscot - Another framework for building Slack bots.

Standard CLI

13022
cobra - Commander for modern Go CLI interactions.
11213
urfave/cli - Simple, fast, and fun package for building command line apps in Go (formerly codegangsta/cli).
2511
kingpin - Command line and flag parser supporting sub commands.
1498
go-flags - go command line option parser.
1362
readline - Pure golang implementation that provides most features in GNU-Readline under MIT license.
1164
docopt.go - Command-line arguments parser that will make you smile.
993
mitchellh/cli - Go library for implementing command-line interfaces.
867
cli-init - The easy way to start building Golang command line applications.
742
pflag - Drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags.
652
go-arg - Struct-based argument parsing in Go.
620
mow.cli - Go library for building CLI applications with sophisticated flag and argument parsing and validation.
610
complete - Write bash completions in Go + Go command bash completion.
575
liner - Go readline-like library for command-line interfaces.
473
cli - Feature-rich and easy to use command-line package based on golang struct tags.
444
flaggy - A robust and idiomatic flags package with excellent subcommand support.
248
ops - Unikernel Builder/Orchestrator.
163
climax - Alternative CLI with "human face", in spirit of Go command.
103
argparse - Command line argument parser inspired by Python's argparse module.
100
flag - Simple but powerful command line option parsing library for Go supporting subcommand.
97
ukautz/clif - Small command line interface framework.
85
commandeer - Dev-friendly CLI apps: sets up flags, defaults, and usage based on struct fields and tags.
84
sflags - Struct based flags generator for flag, urfave/cli, pflag, cobra, kingpin and other libraries.
83
wmenu - Easy to use menu structure for cli applications that prompts users to make choices.
57
cli - Simple and complete API for building command line interfaces in Go.
48
job - JOB, make your short-term command as a long-term job.
41
env - Tag-based environment configuration for structs.
35
wlog - Simple logging interface that supports cross-platform color and concurrency.
33
gocmd - Go library for building command line applications.
31
flagvar - A collection of flag argument types for Go's standard flag package.
27
strumt - Library to create prompt chain.
17
argv - Go library to split command line string as arguments array using the bash syntax.
14
go-commander - Go library to simplify CLI workflow.
8
cmdr - A POSIX/GNU style, getopt-like command-line UI Go library.
6
go-getoptions - Go option parser inspired on the flexibility of Perl’s GetOpt::Long.
5
sand - Simple API for creating interpreters and so much more.
4
ts - Timestamp convert & compare tool.
hiboot cli - cli application framework with auto configuration and dependency injection.

Advanced Console UIs

8848
termui - Go terminal dashboard based on termbox-go and inspired by blessed-contrib.
5219
gocui - Minimalist Go library aimed at creating Console User Interfaces.
3453
termbox-go - Termbox is a library for creating cross-platform text-based interfaces.
2999
color - Versatile package for colored terminal output.
2292
go-prompt - Library for building a powerful interactive prompt, inspired by python-prompt-toolkit.
1526
uiprogress - Flexible library to render progress bars in terminal applications.
1130
asciigraph - Go package to make lightweight ASCII line graph ╭┈╯ in command line apps with no other dependencies.
822
uilive - Library for updating terminal output in realtime.
797
termdash - Go terminal dashboard based on termbox-go and inspired by termui.
616
aurora - ANSI terminal colors that supports fmt.Printf/Sprintf.
561
progressbar - Basic thread-safe progress bar that works in every OS.
507
mpb - Multi progress bar for terminal applications.
497
uitable - Library to improve readability in terminal apps using tabular data.
372
go-colorable - Colorable writer for windows.
340
go-isatty - isatty for golang.
302
chalk - Intuitive package for prettifying terminal/console output.
246
tabby - A tiny library for super simple Golang tables.
212
termtables - Go port of the Ruby library terminal-tables for simple ASCII table generation as well as providing markdown and HTML output.
197
go-colortext - Go library for color output in terminals.
196
gookit/color - Terminal color rendering tool library, support 16 colors, 256 colors, RGB color rendering output, compatible with Windows.
155
simpletable - Simple tables in terminal with Go.
67
cfmt - Contextual fmt inspired by bootstrap color classes.
29
tabular - Print ASCII tables from command line utilities without the need to pass large sets of data to the API.
16
colourize - Go library for ANSI colour text in terminals.
9
ctc - The non-invasive cross-platform terminal color library does not need to modify the Print method.
8
go-ataman - Go library for rendering ANSI colored text templates in terminals.
gommon/color - Style terminal text.

Configuration

9169
viper - Go configuration with fangs.
2377
kelseyhightower/envconfig - Go library for managing configuration data from environment variables.
2087
godotenv - Go port of Ruby's dotenv library (Loads environment variables from .env).
1563
ini - Go package to read and write INI files.
846
env - Parse environment variables to Go structs (with defaults).
509
konfig - Composable, observable and performant config handling for Go for the distributed processing era.
241
store - Lightweight configuration manager for Go.
237
confita - Load configuration in cascade from multiple backends into a struct.
210
config - JSON or YAML configuration wrapper with environment variables and flags parsing.
193
joshbetz/config - Small configuration library for Go that parses environment variables, JSON files, and reloads automatically on SIGHUP.
189
config - Cloud native application configuration. Bind ENV to structs in only two lines.
171
hjson - Human JSON, a configuration file format for humans. Relaxed syntax, fewer mistakes, more comments.
145
envconfig - Read your configuration from environment variables.
116
gcfg - read INI-style configuration files into Go structs; supports user-defined types and subsections.
105
goConfig - Parses a struct as input and populates the fields of this struct with parameters from command line, environment variables and configuration file.
93
envh - Helpers to manage environment variables.
89
envcfg - Un-marshaling environment variables to Go structs.
79
koanf - Light weight, extensible library for reading config in Go applications. Built in support for JSON, TOML, YAML, env, command line.
73
gookit/config - application config manage(load,get,set). support JSON, YAML, TOML, INI, HCL. multi file load, data override merge.
57
gofigure - Go application configuration made easy.
48
configure - Provides configuration through multiple sources, including JSON, flags and environment variables.
39
harvester - Harvester, a easy to use static and dynamic configuration package supportig seeding, env vars and Consul integration.
32
xdg - Cross platform package that follows the XDG Standard.
24
go-up - A simple configuration library with recursive placeholders resolution and no magic.
24
ingo - Flags persisted in an ini-like config file.
19
mini - Golang package for parsing ini-style configuration files.
8
conflate - Library/tool to merge multiple JSON/YAML/TOML files from arbitrary URLs, validation against a JSON schema, and application of default values defined in the schema.
7
envconf - Configuration from environment.
3
sprbox - Build-environment aware toolbox factory and agnostic config parser (YAML, TOML, JSON and Environment vars).
gone/jconf - Modular JSON configuration. Keep you config structs along with the code they configure and delegate parsing to submodules without sacrificing full config serialization.

Continuous Integration

18842
drone - Drone is a Continuous Integration platform built on Docker, written in Go.
572
goveralls - Go integration for Coveralls.io continuous code coverage tracking system.
98
overalls - Multi-Package go project coverprofile for tools like goveralls.
44
duci - A simple ci server no needs domain specific languages.
27
gomason - Test, Build, Sign, and Publish your go binaries from a clean workspace.
12
roveralls - Recursive coverage testing tool.

CSS Preprocessors

423
gcss - Pure Go CSS Preprocessor.
129
go-libsass - Go wrapper to the 100% Sass compatible libsass project.

Data Structures

6190
gods - Go Data Structures. Containers, Sets, Lists, Stacks, Maps, BidiMaps, Trees, HashSet etc.
5096
go-datastructures - Collection of useful, performant, and thread-safe data structures.
1146
golang-set - Thread-Safe and Non-Thread-Safe high-performance sets for Go.
1127
boomfilters - Probabilistic data structures for processing continuous, unbounded streams.
862
gota - Implementation of dataframes, series, and data wrangling methods for Go.
659
hyperloglog - HyperLogLog implementation with Sparse, LogLog-Beta bias correction and TailCut space reduction.
659
willf/bloom - Go package implementing Bloom filters.
646
roaring - Go package implementing compressed bitsets.
507
cuckoofilter - Cuckoo filter: a good alternative to a counting bloom filter implemented in Go.
477
bitset - Go package implementing bitsets.
413
trie - Trie implementation in Go.
310
go-geoindex - In-memory geo index.
273
mafsa - MA-FSA implementation with Minimal Perfect Hashing.
231
algorithms - Algorithms and data structures.CLRS study.
191
goskiplist - Skip list implementation in Go.
179
hilbert - Go package for mapping values to and from space-filling curves, such as Hilbert and Peano curves.
144
merkletree - Implementation of a merkle tree providing an efficient and secure verification of the contents of data structures.
128
bloom - Bloom filters implemented in Go.
123
binpacker - Binary packer and unpacker helps user build custom binary stream.
99
skiplist - Very fast Go Skiplist implementation.
94
encoding - Integer Compression Libraries for Go.
93
ttlcache - In-memory LRU string-interface{} map with expiration for golang.
87
go-adaptive-radix-tree - Go implementation of Adaptive Radix Tree.
87
ring - Go implementation of a high performance, thread safe bloom filter.
76
conjungo - A small, powerful and flexible merge library.
63
skiplist - Skiplist implementation in Go.
62
deque - Fast ring-buffer deque (double-ended queue).
55
bit - Golang set data structure with bonus bit-twiddling functions.
55
levenshtein - Implementation to calculate levenshtein distance in Go.
43
count-min-log - Go implementation Count-Min-Log sketch: Approximately counting with approximate counters (Like Count-Min sketch but using less memory).
39
bloom - Golang Bloom filter implementation.
34
go-mcache - Fast in-memory key:value store/cache library. Pointer caches.
32
levenshtein - Levenshtein distance and similarity metrics with customizable edit costs and Winkler-like bonus for common prefix.
26
goconcurrentqueue - Concurrent FIFO queue.
23
concurrent-writer - Highly concurrent drop-in replacement for bufio.Writer.
19
crunch - Go package implementing buffers for handling various datatypes easily.
16
goset - A useful Set collection implementation for Go.
15
pipeline - An implementation of pipelines with fan-in and fan-out.
11
go-ef - A Go implementation of the Elias-Fano encoding.
9
typ - Null Types, Safe primitive type conversion and fetching value from complex structures.
8
dict - Python-like dictionaries (dict) for Go.
7
hide - ID type with marshalling to/from hash to prevent sending IDs to clients.
7
mspm - Multi-String Pattern Matching Algorithm for information retrieval.
7
treap - Persistent, fast ordered map using tree heaps.
6
deque - A highly optimized double-ended queue.
6
set - Simple set data structure implementation in Go using LinkedHashMap.
5
null - Nullable Go types that can be marshalled/unmarshalled to/from JSON.
3
parsefields - Tools for parse JSON-like logs for collecting unique fields and events.
1
timedmap - Map with expiring key-value pairs.
ptrie - An implementation of prefix tree.
go-rquad - Region quadtrees with efficient point location and neighbour finding.

Database

25231
prometheus - Monitoring system and time series database.
19789
tidb - TiDB is a distributed SQL database. Inspired by the design of Google F1.
16863
influxdb - Scalable datastore for metrics, events, and real-time analytics.
16689
cockroach - Scalable, Geo-Replicated, Transactional Datastore.
10052
dgraph - Scalable, Distributed, Low Latency, High Throughput Graph Database.
9915
bolt - Low-level key/value database for Go.
8359
vitess - vitess provides servers and tools which facilitate scaling of MySQL databases for large scale web services.
7608
groupcache - Groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.
6194
badger - Fast key-value store in Go.
5955
pgweb - Web-based PostgreSQL database browser.
4666
rqlite - The lightweight, distributed, relational database built on SQLite.
4565
kingshard - kingshard is a high performance proxy for MySQL powered by Golang.
3136
goleveldb - Implementation of the LevelDB key/value database in Go.
3057
ledisdb - Ledisdb is a high performance NoSQL like Redis based on LevelDB.
2998
orchestrator - MySQL replication topology manager & visualizer.
2841
go-cache - In-memory key:value store/cache (similar to Memcached) library for Go, suitable for single-machine applications.
2531
migrate - Database migrations. CLI and Golang library.
2423
buntdb - Fast, embeddable, in-memory key/value database for Go with custom indexing and spatial support.
2419
BigCache - Efficient key/value cache for gigabytes of data.
2360
tiedot - Your NoSQL database powered by Golang.
2346
go-mysql-elasticsearch - Sync your MySQL data into Elasticsearch automatically.
2229
Squirrel - Go library that helps you build SQL queries.
2156
xo - Generate idiomatic Go code for databases based on existing schema definitions or custom queries supporting PostgreSQL, MySQL, SQLite, Oracle, and Microsoft SQL Server.
2079
pREST - Serve a RESTful API from any PostgreSQL database.
1849
go-mysql - Go toolset to handle MySQL protocol and replication.
1444
CovenantSQL - CovenantSQL is a SQL database on blockchain.
1386
sql-migrate - Database migration tool. Allows embedding migrations into the application using go-bindata.
994
cache2go - In-memory key:value cache which supports automatic invalidation based on timeouts.
955
VictoriaMetrics - fast, resource-effective and scalable open source time series database. May be used as long-term remote storage for Prometheus. Supports PromQL.
879
GCache - Cache library with support for expirable Cache, LFU, LRU and ARC.
851
nutsdb - Nutsdb is a simple, fast, embeddable, persistent key/value store written in pure Go. It supports fully serializable transactions and many data structures such as list, set, sorted set.
742
gendry - Non-invasive SQL builder and powerful data binder.
741
diskv - Home-grown disk-backed key-value store.
717
moss - Moss is a simple LSM key-value storage engine written in 100% Go.
622
goqu - Idiomatic SQL builder and query library.
532
eliasdb - Dependency-free, transactional graph database with REST API, phrase search and SQL-like query language.
477
fastcache - fast thread-safe inmemory cache for big number of entries. Minimizes GC overhead.
437
Dotsql - Go library that helps you keep sql files in one place and use them with ease.
433
ozzo-dbx - Powerful data retrieval methods as well as DB-agnostic query building capabilities.
364
levigo - Levigo is a Go wrapper for LevelDB.
326
gormigrate - Database schema migration helper for Gorm ORM.
297
chproxy - HTTP proxy for ClickHouse database.
218
pudge - Fast and simple key/value store written using Go's standard library.
175
sqrl - SQL query builder, fork of Squirrel with improved performance.
171
piladb - Lightweight RESTful database engine based on stack data structures.
149
scaneo - Generate Go code to convert database rows into arbitrary structs.
144
Vasto - A distributed high-performance key-value store. On Disk. Eventual consistent. HA. Able to grow or shrink without service interruption.
141
myreplication - MySql binary log replication listener. Supports statement and row based replication.
132
clickhouse-bulk - Collects small insterts and sends big requests to ClickHouse servers.
117
goose - Database migration tool. You can manage your database's evolution by creating incremental SQL or Go scripts.
85
slowpoke - Key-value store with persistence.
83
darwin - Database schema evolution library for Go.
77
igor - Abstraction layer for PostgreSQL that supports advanced functionality and uses gorm-like syntax.
58
Scribble - Tiny flat file JSON store.
52
octillery - Go package for sharding databases ( Supports every ORM or raw SQL ).
50
godbal - Database Abstraction Layer (dbal) for go. Support SQL builder and get result easily.
40
couchcache - RESTful caching micro-service backed by Couchbase server.
31
migrator - Dead simple Go database migration library.
30
dbbench - Database benchmarking tool with support for several databases and scripts.
29
clusteredBigCache - BigCache with clustering support and individual item expiration.
27
bcache - Eventually consistent distributed in-memory cache Go library.
26
gondolier - Database migration library using struct decorators.
24
pravasan - Simple Migration tool - currently for MySQL but planning to soon support Postgres, SQLite, MongoDB, etc.
24
prep - Use prepared SQL statements without changing your code.
23
go-pg-migrations - A Go package to help write migrations with go-pg/pg.
20
go-fixtures - Django style fixtures for Golang's excellent built-in database/sql library.
13
cache - In-memory key:value store with expiration time, 0 dependencies, <100 LoC, 100% coverage.
13
tempdb - Key-value store for temporary items.
10
rwdb - rwdb provides read replica capability for multiple database servers setup.
8
gorocksdb - Gorocksdb is a wrapper for RocksDB written in Go.
7
datagen - A fast data generator that's multi-table aware and supports multi-row DML.
5
avro - Discover SQL schemas and convert them to AVRO schemas. Query SQL records into AVRO bytes.
ormlite - Lightweight package containing some ORM-like features and helpers for sqlite databases.
Squalus - Thin layer over the Go SQL package that makes it easier to perform queries.
soda - Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.

Database Drivers

12644
cayley - Graph database with support for multiple backends.
8000
go-sql-driver/mysql - MySQL driver for Go.
6361
redis - Redis client for Golang.
6212
redigo - Redigo is a Go client for the Redis database.
5785
bleve - Modern text indexing library for go.
5132
pq - Pure Go Postgres driver for database/sql.
4661
riot - Go Open Source, Distributed, Simple and efficient Search Engine.
4067
elastic - Elasticsearch client for Go.
3397
go-sqlite3 - SQLite3 driver for go that uses database/sql.
2999
mongo-go-driver - Official MongoDB driver for the Go language.
1880
pgx - PostgreSQL driver supporting features beyond those exposed by database/sql.
1622
mgo - (unmaintained) MongoDB driver for the Go language that implements a rich and well tested selection of features under a very simple API following standard Go idioms.
1516
go-elasticsearch - Official Elasticsearch client for Go.
1454
gorethink - Go language driver for RethinkDB.
1090
gomemcache - memcache client library for the Go programming language.
1013
go-mssqldb - Microsoft MSSQL driver for Go.
947
elastigo - Elasticsearch client library.
402
go-oci8 - Oracle driver for go that uses database/sql.
379
elasticsql - Convert sql to elasticsearch dsl in Go.
357
neoism - Neo4j client for Golang.
302
aerospike-client-go - Aerospike client in Go language.
292
go-couchbase - Couchbase client in Go.
290
gocb - Official Couchbase Go SDK.
258
redeo - Redis-protocol compatible TCP servers/services.
230
goracle - Oracle driver for Go, using the ODPI-C driver.
110
cachego - Golang Cache component for multiple drivers.
103
firebirdsql - Firebird RDBMS SQL driver for Go.
90
go-adodb - Microsoft ActiveX Object DataBase driver for go that uses database/sql.
90
gofreetds - Microsoft MSSQL driver. Go wrapper over FreeTDS.
86
go-rejson - Golang client for redislabs' ReJSON module using Redigo golang client. Store and manipulate structs as JSON objects in redis with ease.
79
gokv - Simple key-value store abstraction and implementations for Go (Redis, Consul, etcd, bbolt, BadgerDB, LevelDB, Memcached, DynamoDB, S3, PostgreSQL, MongoDB, CockroachDB and many more).
72
Neo4j-GO - Neo4j REST Client in golang.
68
skizze - probabilistic data-structures service and storage.
65
arangolite - Lightweight golang driver for ArangoDB.
64
dynago - Dynago is a principle of least surprise client for DynamoDB.
58
godis - redis client implement by golang, inspired by jedis.
51
go-couchdb - Yet another CouchDB HTTP API wrapper for Go.
32
avatica - Apache Avatica/Phoenix SQL driver for database/sql.
31
go-pilosa - Go client library for Pilosa.
29
forestdb - Go bindings for ForestDB.
24
goriak - Go language driver for Riak KV.
24
neo4j - Neo4j Rest API Bindings for Golang.
24
goes - Library to interact with Elasticsearch.
13
dsc - Datastore connectivity for SQL, NoSQL, structured files.
12
bgc - Datastore Connectivity for BigQuery for go.
9
xredis - Typesafe, customizable, clean & easy to use Redis client.
6
godscache - A wrapper for the Google Cloud Platform Go Datastore package that adds caching using memcached.
4
asc - Datastore Connectivity for Aerospike for go.
gocql - Go language driver for Apache Cassandra.

Date and Time

2156
now - Now is a time toolkit for golang.
883
dateparse - Parse date's without knowing format in advance.
333
carbon - Simple Time extension with a lot of util methods, ported from PHP Carbon library.
236
durafmt - Time duration formatting library for Go.
168
timeutil - Useful extensions (Timedelta, Strftime, ...) to the golang's time package.
68
iso8601 - Efficiently parse ISO8601 date-times without regex.
60
go-persian-calendar - The implementation of the Persian (Solar Hijri) Calendar in Go (golang).
60
timespan - For interacting with intervals of time, defined as a start time and a duration.
27
date - Augments Time for working with dates, date ranges, time spans, periods, and time-of-day.
22
feiertage - Set of functions to calculate public holidays in Germany, incl. specialization on the states of Germany (Bundesländer). Things like Easter, Pentecost, Thanksgiving...
18
goweek - Library for working with week entity in golang.
13
go-sunrise - Calculate the sunrise and sunset times for a given location.
10
kair - Date and Time - Golang Formatting Library.
9
NullTime - Nullable time.Time.
7
tuesday - Ruby-compatible Strftime function.
5
strftime - C99-compatible strftime formatter.

Distributed Systems

14274
go-kit - Microservice toolkit with support for service discovery, load balancing, pluggable transports, request tracking, etc.
8942
grpc-go - The Go language implementation of gRPC. HTTP/2 based RPC.
8522
jaeger - A distributed tracing system.
6500
micro - Pluggable microservice toolkit and distributed systems platform.
6220
NATS - Lightweight, high performance messaging system for microservices, IoT, and cloud native systems.
3714
rpcx - Distributed pluggable RPC service framework like alibaba Dubbo.
3097
tendermint - High-performance middleware for transforming a state machine written in any programming language into a Byzantine Fault Tolerant replicated state machine using the Tendermint consensus and blockchain protocols.
2814
torrent - BitTorrent client package.
2811
raft - Golang implementation of the Raft consensus protocol, by HashiCorp.
2508
glow - Easy-to-Use scalable distributed big data processing, Map-Reduce, DAG execution, all in pure Go.
2488
dragonboat - A feature complete and high performance multi-group Raft library in Go.
2059
gleam - Fast and scalable distributed map/reduce system written in pure Go and Luajit, combining Go's high concurrency with Luajit's high performance, runs standalone or distributed.
1898
emitter-io - High performance, distributed, secure and low latency publish-subscribe platform built with MQTT, Websockets and love.
1716
KrakenD - Ultra performant API Gateway framework with middlewares.
997
hprose - Very newbility RPC Library, support 25+ languages now.
569
ringpop-go - Scalable, fault-tolerant application-layer sharding for Go applications.
548
gorpc - Simple, fast and scalable RPC library for high load.
475
go-health - Library for enabling asynchronous dependency health checks in your service.
298
sleuth - Library for master-less p2p auto-discovery and RPC between HTTP services (using ZeroMQ).
297
digota - grpc ecommerce microservice.
251
go-jump - Port of Google's "Jump" Consistent Hash function.
183
consistent - Consistent hashing with bounded loads.
147
redis-lock - Simplified distributed locking implementation using Redis.
125
dht - BitTorrent Kademlia DHT implementation.
113
jsonrpc - The jsonrpc package helps implement of JSON-RPC 2.0.
98
jsonrpc - JSON-RPC 2.0 HTTP client implementation.
52
celeriac - Library for adding support for interacting and monitoring Celery workers, tasks and events in Go.
38
doublejump - A revamped Google's jump consistent hash.
24
drmaa - Job submission library for cluster schedulers based on the DRMAA standard.
20
dot - distributed sync using operational transformation/OT.
18
flowgraph - flow-based programming package.
8
dynatomic - A library for using DynamoDB as an atomic counter.
2
outboxer - Outboxer is a go library that implements the outbox pattern.
dynamolock - DynamoDB-backed distributed locking implementation.
pglock - PostgreSQL-backed distributed locking implementation.
resgate - Realtime API Gateway for building REST, real time, and RPC APIs, where all clients are synchronized seamlessly.
raft - Go implementation of the Raft consensus protocol, by CoreOS.

Email

5101
MailHog - Email and SMTP testing with web and API interface.
2328
Gomail - Gomail is a very simple and powerful package to send emails.
1606
hermes - Golang package that generates clean, responsive HTML e-mails.
1087
email - A robust and flexible email library for Go.
719
go-imap - IMAP library for clients and servers.
516
SendGrid - SendGrid's Go library for sending email.
168
Hectane - Lightweight SMTP client providing an HTTP API.
158
douceur - CSS inliner for your HTML emails.
104
go-message - Streaming library for the Internet Message Format and mail messages.
49
smtp - SMTP server protocol state machine.
46
go-dkim - DKIM library, to sign & verify email.
35
go-premailer - Inline styling for HTML mail in Go.
chasquid - SMTP server written in Go.

Embeddable Scripting Languages

4700
otto - JavaScript interpreter written in Go.
2926
gopher-lua - Lua 5.1 VM and compiler written in Go.
1656
go-lua - Port of the Lua 5.2 VM to pure Go.
1281
tengo - Bytecode compiled script language for Go.
915
anko - Scriptable interpreter written in Go.
901
go-python - naive go bindings to the CPython C-API.
680
expr - an engine that can evaluate expressions.
673
go-php - PHP bindings for Go.
649
go-duktape - Duktape JavaScript engine bindings for Go.
440
golua - Go bindings for Lua C API.
429
gisp - Simple LISP in Go.
321
agora - Dynamically typed, embeddable programming language in Go.
134
gval - A highly customizable expression language written in Go.
29
binder - Go to Lua binding library, based on gopher-lua.
27
purl - Perl 5.18.2 embedded in Go.
25
gentee - Embeddable scripting programming language.
19
ngaro - Embeddable Ngaro VM implementation enabling scripting in Retro.

Error Handling

4792
errors - Package that provides simple error handling primitives.
715
go-multierror - Go (golang) package for representing a list of errors as a single error.
550
errorx - A feature rich error package with stack traces, composition of errors and more.
491
tracerr - Golang errors with stack trace and source fragments.
143
errlog - Hackable package that determines responsible source code for an error (and some other fast-debugging features). Pluggable to any logger in-place.
11
werr - Error Wrapper creates an wrapper for the error type in Go which captures the File, Line and Stack of where it was called.

Files

2194
afero - FileSystem Abstraction System for Go.
934
pdfcpu - PDF processor.
489
notify - File system event notification library with simple API, similar to os/signal.
57
opc - Load Open Packaging Conventions (OPC) files for Go.
48
skywalker - Package to allow one to concurrently go through a filesystem with ease.
46
go-csv-tag - Load csv file using tag.
35
tarfs - Implementation of the FileSystem interface for tar files.
21
vfs - A pluggable, extensible, and opinionated set of filesystem functionality for Go across a number of filesystem types such as os, S3, and GCS.
15
go-gtfs - Load gtfs files in go.
11
go-decent-copy - Copy files for humans.
8
flop - File operations library which aims to mirror feature parity with GNU cp.
6
checksum - Compute message digest, like MD5 and SHA256, for large files.
1
go-exiftool - Go bindings for ExifTool, the well-known library used to extract as much metadata as possible (EXIF, IPTC, ...) from files (pictures, PDF, office, ...).
stl - Modules to read and write STL (stereolithography) files. Concurrent algorithm for reading.

Financial

1576
decimal - Arbitrary-precision fixed-point decimal numbers.
611
go-money - Implementation of Fowler's Money pattern.
536
go-finance - Comprehensive financial markets data in Go.
482
accounting - money and currency formatting for golang.
154
techan - Technical analysis library with advanced market analysis and trading strategies.
67
orderbook - Matching Engine for Limit Order Book in Golang.
61
vat - VAT number validation & EU VAT rates.
60
ofxgo - Query OFX servers and/or parse the responses (with example command-line client).
55
transaction - Embedded transactional database of accounts, running in multithreaded mode.
41
go-finance - Library of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
8
currency - High performant & accurate currency computation package.

Forms

962
nosurf - CSRF protection middleware for Go.
752
binding - Binds form and JSON data from net/http Request to struct.
427
gorilla/csrf - CSRF protection for Go web applications & services.
348
form - Decodes url.Values into Go value(s) and Encodes Go value(s) into url.Values. Dual Array and Full map support.
171
conform - Keeps user input in check. Trims, sanitizes & scrubs data based on struct tags.
122
formam - decode form's values into a struct.
103
forms - Framework-agnostic library for parsing and validating form/JSON data which supports multipart forms and files.
23
bind - Bind form data to any Go values.

Functional

1063
go-underscore - Useful collection of helpfully functional Go collection utilities.
104
fpGo - Monad, Functional Programming features for Golang.
34
fuego - Functional Experiment in Go.

Game Development

3028
Leaf - Lightweight game server framework.
2421
Pixel - Hand-crafted 2D game library in Go.
1820
Ebiten - dead simple 2D game library in Go.
1154
goworld - Scalable game server engine, featuring space-entity framework and hot-swapping.
1145
go-sdl2 - Go bindings for the Simple DirectMedia Layer.
1075
engo - Engo is an open-source 2D game engine written in Go. It follows the Entity-Component-System paradigm.
1047
gonet - Game server skeleton implemented with golang.
1022
termloop - Terminal-based game engine for Go, built on top of Termbox.
969
nano - Lightweight, facility, high performance golang based game server framework.
734
g3n - Go 3D Game Engine.
622
Oak - Pure Go game engine.
425
Azul3D - 3D game engine written in Go.
377
raylib-go - Go bindings for raylib, a simple and easy-to-use library to learn videogames programming.
324
go-astar - Go implementation of the A* path finding algorithm.
308
GarageEngine - 2d game engine written in Go working on OpenGL.
294
Pitaya - Scalable game server framework with clustering support and client libraries for iOS, Android, Unity and others through the C SDK.
165
go3d - Performance oriented 2D/3D math package for Go.
77
glop - Glop (Game Library Of Power) is a fairly simple cross-platform game library.
12
go-collada - Go package for working with the Collada file format.

Generation and Generics

1785
go-linq - .NET LINQ-like query methods for Go.
1259
jennifer - Generate arbitrary Go code without templates.
1027
gen - Code generation tool for ‘generics’-like functionality.
733
goderive - Derives functions from input types.
261
GoWrap - Generate decorators for Go interfaces using simple templates.
185
interfaces - Command line tool for generating interface definitions.
85
pkgreflect - Go preprocessor for package scoped reflection.
80
go-enum - Code generation for enums from code comments.
43
efaceconv - Code generation tool for high performance conversion from interface{} to immutable type without allocations.
20
gotype - Golang source code parsing, usage like reflect package.
18
generis - Code generation tool providing generics, free-form macros, conditional compilation and HTML templating.

Geographic

6291
Tile38 - Geolocation DB with spatial index and realtime geofencing.
879
S2 geometry - S2 geometry library in Go.
109
geocache - In-memory cache that is suitable for geolocation based applications.
65
osm - Library for reading, writing and working with OpenStreetMap data and APIs.
25
geoserver - geoserver Is a Go Package For Manipulating a GeoServer Instance via the GeoServer REST API.
19
gismanager - Publish Your GIS Data(Vector Data) to PostGIS and Geoserver.
15
pbf - OpenStreetMap PBF golang encoder/decoder.

Go Compilers

8490
gopherjs - Compiler from Go to JavaScript.
989
llgo - LLVM-based compiler for Go.
393
tardisgo - Golang to Haxe to CPP/CSharp/Java/JavaScript transpiler.
143
c4go - Transpile C code to Go code.
11
f4go - Transpile FORTRAN 77 code to Go code.

Goroutines

2230
goworker - goworker is a Go-based background worker.
1807
ants - A high-performance goroutine pool for golang.
1322
tunny - Goroutine pool for golang.
490
grpool - Lightweight Goroutine pool.
473
pool - Limited consumer goroutine or unlimited goroutine pool for easier goroutine handling and cancellation.
167
go-floc - Orchestrate goroutines with ease.
128
workerpool - Goroutine pool that limits the concurrency of task execution, not the number of tasks queued.
103
go-flow - Control goroutines execution order.
74
semaphore - Semaphore pattern implementation with timeout of lock/unlock operations based on channel and context.
70
semaphore - Fast resizable semaphore implementation based on CAS (faster than channel-based semaphore implementations).
57
gpool - manages a resizeable pool of context-aware goroutines to bound concurrency.
43
worker-pool - goworker is a Go simple async worker pool.
28
breaker - Flexible mechanism to make execution flow interruptible.
27
cyclicbarrier - CyclicBarrier for golang.
26
gollback - asynchronous simple function utilities, for managing execution of closures and callbacks.
24
parallel-fn - Run functions in parallel.
18
async - A safe way to execute functions asynchronously, recovering them in case of panic.
17
threadpool - Golang threadpool implementation.
11
artifex - Simple in-memory job queue for Golang using worker-based dispatching.
9
Hunch - Hunch provides functions like: All, First, Retry, Waterfall etc., that makes asynchronous flow control more intuitive.
7
stl - Software transactional locks based on Software Transactional Memory (STM) concurrency control mechanism.
5
go-tools/multithreading - Manage a pool of goroutines using this lightweight library with a simple API.
4
go-trylock - TryLock support on read-write lock for Golang.
2
routine - go routine control with context, support: Main, Go, Pool and some useful Executors.
1
queue - Gives you a sync.WaitGroup like queue group accessibility. Helps you to throttle and limit goroutines, wait for the end of the all goroutines and much more.
oversight - Oversight is a complete implementation of the Erlang supervision trees.
GoSlaves - Simple and Asynchronous Goroutine pool library.

GUI

6884
ui - Platform-native GUI library for Go. Cross platform.
6143
fyne - Cross platform native GUIs designed for Go, rendered using EFL. Supports: Linux, macOS, Windows.
5944
qt - Qt binding for Go (support for Windows / macOS / Linux / Android / iOS / Sailfish OS / Raspberry Pi).
4577
webview - Cross-platform webview window with simple two-way JavaScript bindings (Windows / macOS / Linux).
4387
robotgo - Go Native cross-platform GUI system automation. Control the mouse, keyboard and other.
3664
walk - Windows application library kit for Go.
2938
app - Package to create apps with GO, HTML and CSS. Supports: MacOS, Windows in progress.
2630
go-astilectron - Build cross platform GUI apps with GO and HTML/JS/CSS (powered by Electron).
1436
go-sciter - Go bindings for Sciter: the Embeddable HTML/CSS/script engine for modern desktop UI development. Cross platform.
772
systray - Cross platform Go library to place an icon and menu in the notification area.
756
gotk3 - Go bindings for GTK3.
492
gosx-notifier - OSX Desktop Notifications library for Go.
206
gowd - Rapid and simple desktop UI development with GO, HTML, CSS and NW.js. Cross platform.
158
trayhost - Cross-platform Go library to place an icon in the host operating system's taskbar.
1
go-appindicator - Go bindings for libappindicator3 C library.
1
mac-activity-tracker - OSX library to notify about any (pluggable) activity on your machine.
go-gtk - Go bindings for GTK.
Wails - Mac, Windows, Linux desktop apps with HTML UI using built-in OS HTML renderer.
mac-sleep-notifier - OSX Sleep/Wake notifications in golang.

Images

2576
imaginary - Fast and simple HTTP microservice for image resizing.
2486
imaging - Simple Go image processing package.
2455
ln - 3D line art rendering in Go.
2401
gocv - Go package for computer vision using OpenCV 3.3+.
2119
resize - Image resizing for Go with common interpolation methods.
2025
bild - Collection of image processing algorithms in pure Go.
1893
gg - 2D rendering in pure Go.
1762
pt - Path tracing engine written in Go.
1324
svgo - Go Language Library for SVG generation.
1247
smartcrop - Finds good crops for arbitrary images and crop sizes.
1208
gift - Package of image processing filters.
1085
go-opencv - Go bindings for OpenCV.
1058
picfit - An image resizing server written in Go.
1009
geopattern - Create beautiful generative image patterns from a string.
964
imagick - Go binding to ImageMagick's MagickWand C API.
781
bimg - Small package for fast and efficient image processing using libvips.
485
stegify - Go tool for LSB steganography, capable of hiding any file within an image.
364
mort - Storage and image processing server written in Go.
310
govatar - Library and CMD tool for generating funny avatars.
286
go-nude - Nudity detection with Go.
285
image2ascii - Convert image to ASCII.
209
goimagehash - Go Perceptual image hashing package.
189
rez - Image resizing in pure Go and SIMD.
129
img - Selection of image manipulation tools.
85
go-cairo - Go binding for the cairo graphics library.
70
mergi - Tool & Go library for image manipulation (Merge, Crop, Resize, Watermark, Animate).
49
go-gd - Go binding for GD library.
36
gltf - Efficient and robust glTF 2.0 reader, writer and validator.
31
cameron - An avatar generator for Go.
26
goimghdr - The imghdr module determines the type of image contained in a file for Go.
25
steganography - Pure Go Library for LSB steganography.
24
go-webcolors - Port of webcolors library from Python to Go.
23
tga - Package tga is a TARGA image format decoder/encoder.
21
darkroom - An image proxy with changeable storage backends and image processing engines with focus on speed and resiliency.
6
mpo - Decoder and conversion tool for MPO 3D Photos.

IoT (Internet of Things)

5656
gobot - Gobot is a framework for robotics, physical computing, and the Internet of Things.
1108
flogo - Project Flogo is an Open Source Framework for IoT Edge Apps & Integration.
809
gatt - Gatt is a Go package for building Bluetooth Low Energy peripherals.
576
mainflux - Industrial IoT Messaging and Device Management Server.
225
devices - Suite of libraries for IoT devices, experimental for x/exp/io.
178
sensorbee - Lightweight stream processing engine for IoT.
167
connectordb - Open-Source Platform for Quantified Self & IoT.
109
huego - An extensive Philips Hue client library for Go.
36
eywa - Project Eywa is essentially a connection manager that keeps track of connected devices.
35
iot - IoT is a simple framework for implementing a Google IoT Core device.
periph - Peripherals I/O to interface with low-level board facilities.

Job Scheduler

625
gron - Define time-based tasks using a simple Go API and Gron’s scheduler will run them accordingly.
567
JobRunner - Smart and featureful cron job scheduler with job queuing and live monitoring built in.
451
jobs - Persistent and flexible background jobs library.
290
scheduler - Cronjobs scheduling made easy.
177
go-cron - Simple Cron library for go that can execute closures or functions at varying intervals, from once a second to once a year on a specific date and time. Primarily for web applications and long running daemons.
75
clockwork - Simple and intuitive job scheduling library in Go.
64
clockwerk - Go package to schedule periodic jobs using a simple, fluent syntax.
37
leprechaun - Job scheduler that supports webhooks, crons and classic scheduling.

JSON

4807
GJSON - Get a JSON value with one line of code.
2021
gojson - Automatically generate Go (golang) struct definitions from example JSON.
140
gojq - JSON query in Golang.
128
kazaam - API for arbitrary transformation of JSON documents.
92
jsongo - Fluent API to make it easier to create Json objects.
58
gjo - Small utility to create JSON objects.
54
jsonf - Console tool for highlighted formatting and struct query fetching JSON.
38
JayDiff - JSON diff utility written in Go.
33
mp - Simple cli email parser. It currently takes stdin and outputs JSON.
21
go-respond - Go package for handling common HTTP JSON responses.
12
ajson - Abstract JSON for golang with JSONPath support.
9
jsonhal - Simple Go package to make custom structs marshal into HAL compatible JSON responses.
7
go-jsonerror - Go-JsonError is ment to allow us to easily create json response errors that follow the JsonApi spec.
5
jsonapi-errors - Go bindings based on the JSON API errors reference.
JSON-to-Go - Convert JSON to Go struct.

Logging

11738
logrus - Structured logger for Go.
7315
zap - Fast, structured, leveled logging in Go.
3263
spew - Implements a deep pretty printer for Go data structures to aid in debugging.
2291
glog - Leveled execution logs for Go.
2147
zerolog - Zero-allocation JSON logger.
1519
tail - Go package striving to emulate the features of the BSD tail program.
1417
lumberjack - Simple rolling logger, implements io.WriteCloser.
1344
seelog - Logging functionality with flexible dispatching, filtering, and formatting.
879
log15 - Simple, powerful logging for Go.
727
log - Structured logging package for Go.
334
logxi - 12-factor app logger that is fast and makes you happy.
329
onelog - Onelog is a dead simple but very efficient JSON logger. It is the fastest JSON logger out there in all scenario. Also, it is one of the logger with the lowest allocation.
266
log - Simple, configurable and scalable Structured Logging for Go.
247
logutils - Utilities for slightly better logging in Go (Golang) extending the standard logger.
233
go-logger - Simple logger of Go Programs, with level handlers.
135
logger - Minimalistic logging library for Go.
129
xlog - Structured logger for net/context aware HTTP handlers with flexible dispatching.
109
ozzo-log - High performance logging supporting log severity, categorization, and filtering. Can send filtered log messages to various targets (e.g. console, network, mail).
96
rollingwriter - RollingWriter is an auto-rotate io.Writer implementation with multi policies to provide log file rotation.
82
log-voyage - Full-featured logging saas written in golang.
52
glg - glg is simple and fast leveled logging library for Go.
43
stdlog - Stdlog is an object-oriented library providing leveled logging. It is very useful for cron jobs.
39
gologger - Simple easy to use log lib for go, logs in Colored Console, Simple Console, File or Elasticsearch.
34
go-log - Log4j implementation in Go.
32
logex - Golang log lib, supports tracking and level, wrap by standard log lib.
26
logrusly - logrus plug-in to send errors to a Loggly.
24
go-log - Log lib supports level and multi handlers.
22
log - Structured log interface for Go cleanly separates logging facade from its implementation.
19
go-cronowriter - Simple writer that rotate log files automatically based on current date and time, like cronolog.
18
distillog - distilled levelled logging (think of it as stdlib + log levels).
18
journald - Go implementation of systemd Journal's native API for logging.
18
mlog - Simple logging module for go, with 5 levels, an optional rotating logfile feature and stdout/stderr output.
15
gomol - Multiple-output, structured logging for Go with extensible logging outputs.
10
go-log - Simple and configurable Logging in Go, with level, formatters and writers.
8
glo - PHP Monolog inspired logging facility with identical severity levels.
8
logdump - Package for multi-level logging.
7
xlog - Plugin architecture and flexible log system for Go, with level ctrl, multiple log target and custom log format.
6
logmatic - Colorized logger for Golang with dynamic log level configuration.
4
log - An O(1) logging system that allows you to connect one log to multiple writers (e.g. stdout, a file and a TCP connection).
4
logo - Golang logger to different configurable writers.
gone/log - Fast, extendable, full-featured, std-lib source compatible log library.

Machine Learning

6626
GoLearn - General Machine Learning library for Go.
2663
gorgonia - graph-based computational library like Theano for Go that provides primitives for building various machine learning and neural network algorithms.
1173
tfgo - Easy to use Tensorflow bindings: simplifies the usage of the official Tensorflow Go bindings. Define computational graphs in Go, load and execute models trained in Python.
1007
goml - On-line Machine Learning in Go.
857
gosseract - Go package for OCR (Optical Character Recognition), by using Tesseract C++ library.
643
CloudForest - Fast, flexible, multi-threaded ensembles of decision trees for machine learning in pure Go.
626
bayesian - Naive Bayesian Classification for Golang.
618
eaopt - An evolutionary optimization library.
519
gorse - A High Performance Recommender System Package based on Collaborative Filtering for Go.
378
gobrain - Neural Networks written in go.
245
regommend - Recommendation & collaborative filtering engine.
218
ocrserver - A simple OCR API server, seriously easy to be deployed by Docker and Heroku.
216
go-deep - A feature-rich neural network library in Go.
171
go-galib - Genetic Algorithms library written in Go / golang.
147
onnx-go - Go Interface to Open Neural Network Exchange (ONNX).
142
goRecommend - Recommendation Algorithms library written in Go.
124
shield - Bayesian text classifier with flexible tokenizers and storage backends for Go.
99
go-fann - Go bindings for Fast Artificial Neural Networks(FANN) library.
78
goga - Genetic algorithm library for Go.
63
libsvm - libsvm golang version derived work based on LIBSVM 3.14.
61
neural-go - Multilayer perceptron network implemented in Go, with training via backpropagation.
57
go-pr - Pattern recognition package in Go lang.
55
neat - Plug-and-play, parallel Go framework for NeuroEvolution of Augmenting Topologies (NEAT).
39
golinear - liblinear bindings for Go.
35
goscore - Go Scoring API for PMML.
31
fonet - A Deep Neural Network library written in Go.
24
godist - Various probability distributions, and associated methods.
24
Varis - Golang Neural Network.
21
go-cluster - Go implementation of the k-modes and k-prototypes clustering algorithms.
10
probab - Probability distribution functions. Bayesian inference. Written in pure Go.
8
evoli - Genetic Algorithm and Particle Swarm Optimization library.
6
GoMind - A simplistic Neural Network Library in Go.
5
mlgo - This project aims to provide minimalistic machine learning algorithms in Go.

Messaging

4553
sarama - Go library for Apache Kafka.
3673
gorush - Push notification server using APNs2 and google GCM.
3642
Centrifugo - Real-time messaging (Websockets or SockJS) server in Go.
3335
machinery - Asynchronous task queue/job queue based on distributed message passing.
2855
go-socket.io - socket.io library for golang, a realtime application framework.
2367
NATS Go Client - Lightweight and high performance publish-subscribe and distributed queueing messaging system - this is the Go library.
2034
APNs2 - HTTP/2 Apple Push Notification provider for Go — Send push notifications to iOS, tvOS, Safari and OSX apps.
1935
Benthos - A message streaming bridge between a range of protocols.
1831
gopush-cluster - gopush-cluster is a go push server cluster.
1538
melody - Minimalist framework for dealing with websocket sessions, includes broadcasting and automatic ping/pong handling.
1532
mangos - Pure go implementation of the Nanomsg ("Scalable Protocols") with transport interoperability.
1467
Mercure - Server and library to dispatch server-sent updates using the Mercure protocol (built on top of Server-Sent Events).
1448
go-nsq - the official Go package for NSQ.
1095
Uniqush-Push - Redis backed unified push service for server-side notifications to mobile devices.
773
zmq4 - Go interface to ZeroMQ version 4. Also available for version 3 and version 2.
766
Gollum - A n:m multiplexer that gathers messages from different sources and broadcasts them to a set of destinations.
715
Beaver - A real time messaging server to build a scalable in-app notifications, multiplayer games, chat apps in web and mobile apps.
548
EventBus - The lightweight event bus with async compatibility.
422
golongpoll - HTTP longpoll server library that makes web pub-sub simple.
352
dbus - Native Go bindings for D-Bus.
314
Glue - Robust Go and Javascript Socket Library (Alternative to Socket.io).
309
emitter - Emits events using Go way, with wildcard, predicates, cancellation possibilities and many other good wins.
271
pubsub - Simple pubsub package for go.
138
guble - Messaging server using push notifications (Google Firebase Cloud Messaging, Apple Push Notification services, SMS) as well as websockets, a REST API, featuring distributed operation and message-persistence.
114
Bus - Minimalist message bus implementation for internal communication.
94
oplog - Generic oplog/replication system for REST APIs.
71
rabtap - RabbitMQ swiss army knife cli app.
63
messagebus - messagebus is a Go simple async message bus, perfect for using as event bus when doing event sourcing, CQRS, DDD.
61
rabbus - A tiny wrapper over amqp exchanges and queues.
60
drone-line - Sending Line notifications using a binary, docker or Drone CI.
54
RapidMQ - RapidMQ is a lightweight and reliable library for managing of the local messages queue.
50
nsq-event-bus - A tiny wrapper around NSQ topic and channel.
47
go-notify - Native implementation of the freedesktop notification spec.
36
goose - Server Sent Events in Go.
27
event - Implementation of the pattern observer.
24
hub - A Message/Event Hub for Go applications, using publish/subscribe pattern with support for alias like rabbitMQ exchanges.
21
Commander - A high-level event driven consumer/producer supporting various "dialects" such as Apache Kafka.
11
go-vitotrol - Client library to Viessmann Vitotrol web service.
8
gaurun-client - Gaurun Client written in Go.
6
jazz - A simple RabbitMQ abstraction layer for queue administration and publishing and consuming of messages.
1
redisqueue - redisqueue provides a producer and consumer of a queue that uses Redis streams.
rmqconn - RabbitMQ Reconnection. Wrapper over amqp.Connection and amqp.Dial. Allowing to do a reconnection when the connection is broken before forcing the call to the Close () method to be closed.

Microsoft Office

1660
unioffice - Pure go library for creating and processing Office Word (.docx), Excel (.xlsx) and Powerpoint (.pptx) documents.

Microsoft Excel

4376
excelize - Golang library for reading and writing Microsoft Excel™ (XLSX) files.
3327
xlsx - Library to simplify reading the XML format used by recent version of Microsoft Excel in Go programs.
66
xlsx - Fast and safe way to read/update your existing Microsoft Excel files in Go programs.
46
go-excel - A simple and light reader to read a relate-db-like excel as a table.
12
goxlsxwriter - Golang bindings for libxlsxwriter for writing XLSX (Microsoft Excel) files.

Dependency Injection

885
dig - A reflection based dependency injection toolkit for Go.
655
fx - A dependency injection based application framework for Go (built on top of dig).
34
alice - Additive dependency injection container for Golang.
21
inject - A reflection based dependency injection container with simple interface.
19
wire - Strict Runtime Dependency Injection for Golang.
8
gocontainer - Simple Dependency Injection Container.
4
linker - A reflection based dependency injection and inversion of control library with components lifecycle support.

Project Layout

8759
golang-standards/project-layout - Set of common historical and emerging project layout patterns in the Go ecosystem.
21
scaffold - Scaffold generates starter Go project layout. Lets you focus on business logic implemeted.
20
go-sample - A sample layout for Go application projects with the real code.

Strings

3876
gopsutil - Cross-platform library for retrieving process and system utilization(CPU, Memory, Disks, etc).
2471
archiver - Library and command for making and extracting .zip and .tar.gz archives.
1222
gosms - Your own local SMS gateway in Go that can be used to send SMS.
840
go-resiliency - Resiliency patterns for golang.
661
go-commons-pool - Generic object pool for Golang.
615
xstrings - Collection of useful string functions ported from other languages.
615
base64Captcha - Base64captch supports digit, number, alphabet, arithmetic, audio and digit-alphabet captcha.
446
shortid - Distributed generation of super short, unique, non-sequential, URL friendly IDs.
408
llvm - Library for interacting with LLVM IR in pure Go.
406
gofakeit - Random data generator written in go.
360
health - Easy to use, extensible health check library.
340
conv - Package conv provides fast and intuitive conversions across Go types.
229
banner - Add beautiful banners into your Go applications.
208
gountries - Package that exposes country and subdivision data.
139
antch - A fast, powerful and extensible web crawling & scraping framework.
134
battery - Cross-platform, normalized battery information library.
126
ffmt - Beautify data display for Humans.
121
stats - Monitors Go MemStats + System stats such as Memory, Swap and CPU and sends via UDP anywhere you want for logging etc...
117
lk - A simple licensing library for golang.
92
bitio - Highly optimized bit-level Reader and Writer for Go.
81
healthcheck - An opinionated and concurrent health-check HTTP handler for RESTful services.
72
turtle - Emojis for Go.
69
gommit - Analyze git commit messages to ensure they follow defined patterns.
67
go-unarr - Decompression library for RAR, TAR, ZIP and 7z archives.
61
strutil - String utilities.
51
indigo - Distributed unique ID generator of using Sonyflake and encoded by Base58.
49
morse - Library to convert to and from morse code.
43
captcha - Package captcha provides an easy to use, unopinionated API for captcha generation.
39
xkg - X Keyboard Grabber.
33
pdfgen - HTTP service to generate PDF from Json requests.
33
persian - Some utilities for Persian language in go.
27
datacounter - Go counters for readers/writer/http.ResponseWriter.
24
autoflags - Go package to automatically define command line flags from struct fields.
23
ghorg - Clone all repos from a GitHub org into a single directory.
19
xdg - FreeDesktop.org (xdg) Specs implemented in Go.
17
url-shortener - A modern, powerful, and robust URL shortener microservice with mysql support.
16
gosh - Provide Go Statistics Handler, Struct, Measure Method.
15
gotoprom - Type-safe metrics builder wrapper library for the official Prometheus client.
12
sandid - Every grain of sand on earth has its own ID.
11
anagent - Minimalistic, pluggable Golang evloop/timer handler with dependency-injection.
9
avgRating - Calculate average score and rating based on Wilson Score Equation.
7
hostutils - A golang library for packing and unpacking FQDNs list.
7
shellwords - A Golang library to manipulate strings according to the word parsing rules of the UNIX Bourne shell.
4
metrics - Library for metrics instrumentation and Prometheus exposition.
2
numa - NUMA is a utility library, which is written in go. It help us to write some NUMA-AWARED code.
go-openapi - Collection of packages to parse and utilize open-api schemas.
VarHandler - Generate boilerplate http input and output handling.

Natural Language Processing

2035
prose - Library for text processing that supports tokenization, part-of-speech tagging, named-entity extraction, and more.
1130
go-i18n - Package and an accompanying tool to work with localized text.
1060
gse - Go efficient text segmentation; support english, chinese, japanese and other.
926
when - Natural EN and RU language date/time parser with pluggable rules.
808
gojieba - This is a Go implementation of jieba which a Chinese word splitting algorithm.
518
go-pinyin - CN Hanzi to Hanyu Pinyin converter.
411
kagome - JP morphological analyzer written in pure Go.
353
nlp - Extract values from strings and fill your structs with nlp.
350
whatlanggo - Natural language detection package for Go. Supports 84 languages and 24 scripts (writing systems e.g. Latin, Cyrillic, etc).
260
sentences - Sentence tokenizer: converts text into a list of sentences.
214
nlp - Go Natural Language Processing library supporting LSA (Latent Semantic Analysis).
79
go-nlp - Utilities for working with discrete probability distributions and other tools useful for doing NLP work.
73
getlang - Fast natural language detection package.
68
gounidecode - Unicode transliterator (also known as unidecode) for Go.
60
textcat - Go package for n-gram based text categorization, with support for utf-8 and raw text.
59
MMSEGO - This is a GO implementation of MMSEG which a Chinese word splitting algorithm.
55
go-unidecode - ASCII transliterations of Unicode text.
51
go-stem - Implementation of the porter stemming algorithm.
47
stemmer - Stemmer packages for Go programming language. Includes English and German stemmers.
46
segment - Go library for performing Unicode Text Segmentation as described in Unicode Standard Annex #29
33
porter2 - Really fast Porter 2 stemmer.
30
go2vec - Reader and utility functions for word2vec embeddings.
25
paicehusk - Golang implementation of the Paice/Husk Stemming Algorithm.
24
snowball - Snowball stemmer port (cgo wrapper) for Go. Provides word stem extraction functionality Snowball native.
23
go-mystem - CGo bindings to Yandex.Mystem - russian morphology analyzer.
22
petrovich - Petrovich is the library which inflects Russian names to given grammatical case.
19
icu - Cgo binding for icu4c C library detection and conversion functions. Guaranteed compatibility with version 50.1.
15
golibstemmer - Go bindings for the snowball libstemmer library including porter 2.
10
libtextcat - Cgo binding for libtextcat C library. Guaranteed compatibility with version 2.2.
10
shamoji - The shamoji is word filtering package written in Go.
8
porter - This is a fairly straightforward port of Martin Porter's C implementation of the Porter stemming algorithm.
6
gotokenizer - A tokenizer based on the dictionary and Bigram language models for Golang. (Now only support chinese segmentation)
4
go-eco - Similarity, dissimilarity and distance matrices; diversity, equitability and inequality measures; species richness estimators; coenocline models.
RAKE.go - Go port of the Rapid Automatic Keyword Extraction Algorithm (RAKE).

Networking

10613
kcptun - Extremely simple & fast udp tunnel based on KCP protocol.
9200
fasthttp - Package fasthttp is a fast HTTP implementation for Go, up to 10 times faster than net/http.
3761
dns - Go library for working with DNS.
3397
HTTPLab - HTTPLabs let you inspect HTTP requests and forge responses.
2853
quic-go - An implementation of the QUIC protocol in pure Go.
2829
gopacket - Go library for packet processing with libpcap bindings.
2227
kcp-go - KCP - Fast and Reliable ARQ Protocol.
1659
gobgp - BGP implemented in the Go Programming Language.
1098
ssh - Higher-level API for building SSH servers (wraps crypto/ssh).
852
fortio - Load testing library and command line tool, advanced echo server and web UI. Allows to specify a set query-per-second load and record latency histograms and other useful stats and graph them. Tcp, Http, gRPC.
832
water - Simple TUN/TAP library.
722
sftp - Package sftp implements the SSH File Transfer Protocol as described in https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt.
717
go-getter - Go library for downloading files or directories from various sources using a URL.
650
NFF-Go - Framework for rapid development of performant network functions for cloud and bare-metal (former YANFF).
545
mdns - Simple mDNS (Multicast DNS) client/server library in Golang.
543
grab - Go package for managing file downloads.
515
ftp - Package ftp implements a FTP client as described in RFC 959.
512
lhttp - Powerful websocket framework, build your IM server more easily.
429
gosnmp - Native Go library for performing SNMP actions.
410
gotcp - Go package for quickly writing tcp applications.
384
cidranger - Fast IP to CIDR lookup for Go.
358
peerdiscovery - Pure Go library for cross-platform local peer discovery using UDP multicast.
352
gopcap - Go wrapper for libpcap.
330
go-stun - Go implementation of the STUN client (RFC 3489 and RFC 5389).
303
raw - Package raw enables reading and writing data at the device driver level for a network interface.
279
tcp_server - Go library for building tcp servers faster.
232
buffstreams - Streaming protocolbuffer data over TCP made easy.
210
winrm - Go WinRM client to remotely execute commands on Windows machines.
193
arp - Package arp implements the ARP protocol, as described in RFC 826.
183
ethernet - Package ethernet implements marshaling and unmarshaling of IEEE 802.3 Ethernet II frames and IEEE 802.1Q VLAN tags.
149
utp - Go uTP micro transport protocol implementation.
133
canopus - CoAP Client/Server implementation (RFC 7252).
123
jazigo - Jazigo is a tool written in Go for retrieving configuration for multiple network devices.
113
sslb - It's a Super Simples Load Balancer, just a little project to achieve some kind of performance.
98
gNxI - A collection of tools for Network Management that use the gNMI and gNOI protocols.
81
xtcp - TCP Server Framework with simultaneous full duplex communication,graceful shutdown,custom protocol.
66
gmqtt - Gmqtt is a flexible, high-performance MQTT broker library that fully implements the MQTT protocol V3.1.1.
62
dhcp6 - Package dhcp6 implements a DHCPv6 server, as described in RFC 3315.
62
ether - Cross-platform Go package for sending and receiving ethernet frames.
44
linkio - Network link speed simulation for Reader/Writer interfaces.
42
portproxy - Simple TCP proxy which adds CORS support to API's which don't support it.
26
packet - Send packets over TCP and UDP. It can buffer messages and hot-swap connections if needed.
24
graval - Experimental FTP server framework.
24
iplib - Library for working with IP addresses (net.IP, net.IPNet), inspired by python ipaddress and ruby ipaddr
18
publicip - Package publicip returns your public facing IPv4 address (internet egress).
14
golibwireshark - Package golibwireshark use libwireshark library to decode pcap file and analyse dissection data.
9
goshark - Package goshark use tshark to decode IP packet and create data struct to analyse packet.
8
llb - It's a very simple but quick backend for proxy servers. Can be useful for fast redirection to predefined domain with zero memory allocation and fast response.
6
tspool - A TCP Library use worker pool to improve performance and protect your server.
mqttPaho - The Paho Go Client provides an MQTT client library for connection to MQTT brokers via TCP, TLS or WebSockets.
stun - Go implementation of RFC 5389 STUN protocol.
webrtc - A pure Go implementation of the WebRTC API.

HTTP Clients

1402
grequests - A Go "clone" of the great and famous Requests library.
1063
heimdall - An enchanced http client with retry and hystrix capabilities.
972
sling - Sling is a Go HTTP client library for creating and sending API requests.
674
gentleman - Full-featured plugin-driven HTTP client library.
325
pester - Go HTTP client calls with retries, backoff, and concurrency.
98
goreq - Enhanced simplified HTTP client based on gorequest.
26
rq - A nicer interface for golang stdlib HTTP client.

OpenGL

726
glfw - Go bindings for GLFW 3.
637
gl - Go bindings for OpenGL (generated via glow).
290
mathgl - Pure Go math package specialized for 3D math, with inspiration from GLM.
131
goxjs/gl - Go cross-platform OpenGL bindings (OS X, Linux, Windows, browsers, iOS, Android).
58
goxjs/glfw - Go cross-platform glfw library for creating an OpenGL context and receiving events.

ORM

14421
GORM - The fantastic ORM library for Golang, aims to be developer friendly.
5106
Xorm - Simple and powerful ORM for Go.
3069
gorp - Go Relational Persistence, ORM-ish library for Go.
2924
go-pg - PostgreSQL ORM with focus on PostgreSQL specific features and performance.
2238
SQLBoiler - ORM generator. Generate a featureful and blazing-fast ORM tailored to your database schema.
1837
upper.io/db - Single interface for interacting with different data sources through the use of adapters that wrap mature database drivers.
790
reform - Better ORM for Go, based on non-empty interfaces and code generation.
670
pop/soda - Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.
539
QBS - Stands for Query By Struct. A Go ORM.
447
go-queryset - 100% type-safe ORM with code generation and MySQL, PostgreSQL, Sqlite3, SQL Server support based on GORM.
239
Zoom - Blazing-fast datastore and querying engine built on Redis.
228
go-sqlbuilder - A flexible and powerful SQL string builder library plus a zero-config ORM.
113
grimoire - Grimoire is a database access layer and validation for golang. (Support: MySQL, PostgreSQL and SQLite3).
93
go-store - Simple and fast Redis backed key-value store library for Go.
63
Marlow - Generated ORM from project structs for compile time safety assurances.
4
lore - Simple and lightweight pseudo-ORM/pseudo-struct-mapping environment for Go.
1
go-firestorm - A simple ORM for Google/Firebase Cloud Firestore.
beego orm - Powerful orm framework for go. Support: pq/mysql/sqlite3.

Package Management

12501
dep - Go dependency tool.
7761
glide - Manage your golang vendor and vendored packages with ease. Inspired by tools like Maven, Bundler, and Pip.
5651
godep - dependency tool for go, godep helps build packages reproducibly by fixing their dependencies.
4704
govendor - Go Package Manager. Go vendor tool that works with the standard vendor file.
2344
gopm - Go Package Manager.
1351
gom - Go Manager - bundle for go.
1205
gpm - Barebones dependency manager for Go.
777
goop - Simple dependency manager for Go (golang), inspired by Bundler.
245
nut - Vendor Go dependencies.
214
johnny-deps - Minimal dependency version using Git.
197
gigo - PIP-like dependency tool for golang, with support for private repositories and hashes.
115
VenGO - create and manage exportable isolated go virtual environments.
87
mvn-golang - plugin that provides way for auto-loading of Golang SDK, dependency management and start build environment in Maven project infrastructure.
50
gop - Build and manage your Go applications out of GOPATH.
go modules - Modules are the unit of source code interchange and versioning. The go command has direct support for working with modules, including recording and resolving dependencies on other modules.
vgo - Versioned Go.

Query Language

5134
graphql-go - Implementation of GraphQL for Go.
2736
graphql - GraphQL server with a focus on ease of use.
850
gojsonq - A simple Go package to Query over JSON Data.
201
jsonql - JSON query expression library in Golang.
110
rql - Resource Query Language for REST API.
51
graphql - graphql parser + utilities.
23
jsonslice - Jsonpath queries with advanced filters.

Resource Embedding

2068
packr - The simple and easy way to embed static files into Go binaries.
2064
statik - Embeds static files into a Go executable.
1632
go.rice - go.rice is a Go package that makes working with resources such as html,js,css,images and templates very easy.
646
vfsgen - Generates a vfsdata.go file that statically implements the given virtual filesystem.
464
esc - Embeds files into Go programs and provides http.FileSystem interfaces to them.
418
fileb0x - Simple tool to embed files in go with focus on "customization" and ease to use.
154
go-resources - Unfancy resources embedding with Go.
53
statics - Embeds static resources into go files for single binary compilation + works with http.FileSystem + symlinks.
19
templify - Embed external template files into Go code to create single file binaries.
14
go-embed - Generates go code to embed resource files into your library or executable.

Science and Data Analysis

2898
gonum - Gonum is a set of numeric libraries for the Go programming language. It contains libraries for matrices, statistics, optimization, and more.
1334
stats - Statistics package with common functions missing from the Golang standard library.
1314
streamtools - general purpose, graphical tool for dealing with streams of data.
1298
gosl - Go scientific library for linear algebra, FFT, geometry, NURBS, numerical methods, probabilities, optimisation, differential equations, and more.
1199
gonum/plot - gonum/plot provides an API for building and drawing plots in Go.
625
go-dsp - Digital Signal Processing for Go.
597
goraph - Pure Go graph theory library(data structure, algorith visualization).
579
chart - Simple Chart Plotting library for Go. Supports many graphs types.
265
ewma - Exponentially-weighted moving averages.
231
graph - Library of basic graph algorithms.
195
orb - 2D geometry types with clipping, GeoJSON and Mapbox Vector Tile support.
126
gohistogram - Approximate histograms for data streams.
70
dataframe-go - Dataframes for Go for machine-learning and statistics (similar to pandas).
68
sparse - Go Sparse matrix formats for linear algebra supporting scientific and machine learning applications, compatible with gonum matrix libraries.
65
TextRank - TextRank implementation in Golang with extendable features (summarization, weighting, phrase extraction) and multithreading (goroutine) support.
48
pagerank - Weighted PageRank algorithm implemented in Go.
40
evaler - Simple floating point arithmetic expression evaluator.
40
geom - 2D geometry for golang.
13
goent - GO Implementation of Entropy Measures.
11
go-fn - Mathematical functions written in Go language, that are not covered by math pkg.
11
triangolatte - 2D triangulation library. Allows translating lines and polygons (both based on points) to the language of GPUs.
10
ode - Ordinary differential equation (ODE) solver which supports extended states and channel-based iteration stop conditions.
9
GoStats - GoStats is an Open Source GoLang library for math statistics mostly used in Machine Learning domains, it covers most of the Statistical measures functions.
9
PiHex - Implementation of the "Bailey-Borwein-Plouffe" algorithm for the hexadecimal number Pi.
5
go-gt - Graph theory algorithms written in "Go" language.
5
gocomplex - Complex number library for the Go programming language.
5
piecewiselinear - Tiny linear interpolation library.
3
assocentity - Package assocentity returns the average distance from words to a given entity.
3
rootfinding - root-finding algorithms library for finding roots of quadratic functions.
bradleyterry - Provides a Bradley-Terry Model for pairwise comparisons.

Security

3453
lego - Pure Go ACME client library and CLI tool (for use with Let's Encrypt).
1805
Cameradar - Tool and library to remotely hack RTSP streams from surveillance cameras.
1693
acmetool - ACME (Let's Encrypt) client tool with automatic renewal.
1193
secure - HTTP middleware for Go that facilitates some quick security wins.
1030
memguard - A pure Go library for handling sensitive values in memory.
450
nacl - Go implementation of the NaCL set of API's.
445
acra - Network encryption proxy to protect database-based applications from data leaks: strong selective encryption, SQL injections prevention, intrusion detection system.
245
BadActor - In-memory, application-driven jailer built in the spirit of fail2ban.
225
passlib - Futureproof password hashing library.
195
ssh-vault - encrypt/decrypt using ssh keys.
155
simple-scrypt - Scrypt package with a simple, obvious API and automatic cost calibration built-in.
131
go-yara - Go Bindings for YARA, the "pattern matching swiss knife for malware researchers (and everyone else)".
72
argon2pw - Argon2 password hash generation with constant-time password comparison.
29
goSecretBoxPassword - A probably paranoid package for securely hashing and encrypting passwords.
11
goArgonPass - Argon2 password hash and verification designed to be compatible with existing Python and PHP implementations.
7
sslmgr - SSL certificates made easy with a high level wrapper around acme/autocert.
6
certificates - An opinionated tool for generating tls certificates.
5
jwc - JSON Web Cryptography library.
autocert - Auto provision Let's Encrypt certificates and start a TLS server.
Interpol - Rule-based data generator for fuzzing and penetration testing.

Serialization

5399
jsoniter - High-performance 100% compatible drop-in replacement of "encoding/json".
4994
goprotobuf - Go support, in the form of a library and protocol compiler plugin, for Google's protocol buffers.
2891
gogoprotobuf - Protocol Buffers for Go with Gadgets.
2366
mapstructure - Go library for decoding generic map values into native Go structures.
1224
go-codec - High Performance, feature-Rich, idiomatic encode, decode and rpc library for msgpack, cbor and json, with runtime-based OR code-generation support.
472
colfer - Code generation for the Colfer binary format.
299
csvutil - High Performance, idiomatic CSV record encoding and decoding to native Go structures.
272
go-capnproto - Cap'n Proto library and parser for go.
118
php_session_decoder - GoLang library for working with PHP session format and PHP Serialize/Unserialize functions.
60
bambam - generator for Cap'n Proto schemas from go.
7
binstruct - Golang binary decoder for mapping data into the structure.
6
fwencoder - Fixed width file parser (encoding and decoding library) for Go.
5
bel - Generate TypeScript interfaces from Go structs/interfaces. Useful for JSON RPC.
asn1 - Asn.1 BER and DER encoding library for golang.
structomap - Library to easily and dynamically generate maps from static structures.

Server Applications

26134
etcd - Highly-available key value store for shared configuration and service discovery.
22928
Caddy - Caddy is an alternative, HTTP/2 web server that's easy to configure and use.
17066
minio - Minio is a distributed object storage server.
3205
RoadRunner - High-performance PHP application server, load-balancer and process manager.
2794
devd - Local webserver for developers.
1581
algernon - HTTP/2 web server with built-in support for Lua, Markdown, GCSS and Amber.
982
flipt - A self contained feature flag solution written in Go and Vue.js
809
Flagr - Flagr is an open-source feature flagging and A/B testing service.
784
Fider - Fider is an open platform to collect and organize customer feedback.
709
jackal - An XMPP server written in Go.
661
discovery - A registry for resilient mid-tier load balancing and failover.
5
nginx-prometheus - Nginx log parser and exporter to Prometheus.
5
psql-streamer - Stream database events from PostgreSQL to Kafka.
consul - Consul is a tool for service discovery, monitoring and configuration.
nsq - A realtime distributed messaging platform.
riemann-relay - Relay to load-balance Riemann events and/or convert them to Carbon.
yakvs - Small, networked, in-memory key-value store.

Template Engines

3044
gofpdf - PDF document generator with high level support for text, drawing and images.
1484
pongo2 - Django-like template-engine for Go.
1385
quicktemplate - Fast, powerful, yet easy to use template engine. Converts templates into Go code and then compiles it.
1196
hero - Hero is a handy, fast and powerful go template engine.
967
mustache - Go implementation of the Mustache template language.
821
amber - Amber is an elegant templating engine for Go Programming Language It is inspired from HAML and Jade.
759
ace - Ace is an HTML template engine for Go, inspired by Slim and Jade. Ace is a refinement of Gold.
693
Razor - Razor view engine for Golang.
579
jet - Jet template engine.
408
ego - Lightweight templating language that lets you write templates in Go. Templates are translated into Go and compiled.
336
raymond - Complete handlebars implementation in Go.
290
fasttemplate - Simple and fast template engine. Substitutes template placeholders up to 10x faster than text/template.
144
Soy - Closure templates (aka Soy templates) for Go, following the official spec.
82
liquid - Go implementation of Shopify Liquid templates.
70
kasia.go - Templating system for HTML and other text documents - go implementation.
64
velvet - Complete handlebars implementation in Go.
40
goview - Goview is a lightweight, minimalist and idiomatic template library based on golang html/template for building Go web application.
20
damsel - Markup language featuring html outlining via css-selectors, extensible via pkg html/template and others.
13
extemplate - Tiny wrapper around html/template to allow for easy file-based template inheritance.

Testing

7978
Testify - Sacred extension to the standard go testing package.
4838
GoConvey - BDD-style framework with web UI and live reload.
3483
chromedp - a way to drive/test Chrome, Safari, Edge, Android Webviews, and other browsers supporting the Chrome Debugging Protocol.
2857
go-fuzz - Randomized testing system.
2768
gomock - Mocking framework for the Go programming language.
1688
go-sqlmock - Mock SQL driver for testing database interactions.
1428
hoverfly - HTTP(S) proxy for recording and simulating REST/SOAP APIs with extensible middleware and easy-to-use CLI.
1201
selenoid - alternative Selenium hub server that launches browsers within containers.
1134
httpexpect - Concise, declarative, and easy to use end-to-end HTTP and REST API testing.
1121
go-cmp - Package for comparing Go values in tests.
798
gock - Versatile HTTP mocking made easy.
733
godog - Cucumber or Behat like BDD framework for Go.
642
baloo - Expressive and versatile end-to-end HTTP API testing made easy.
613
goblin - Mocha like testing framework fo Go.
572
httpmock - Easy mocking of HTTP responses from external resources.
528
gofuzz - Library for populating go objects with random values.
378
failpoint - An implementation of failpoints for Golang.
355
counterfeiter - Tool for generating self-contained mock objects.
347
cdp - Type-safe bindings for the Chrome Debugging Protocol that can be used with browsers or other debug targets that implement it.
327
go-vcr - Record and replay your HTTP interactions for fast, deterministic and accurate tests.
321
testfixtures - A helper for Rails' like test fixtures to test database applications.
288
go-mutesting - Mutation testing for Go source code.
252
gofight - API Handler Testing for Golang Router framework.
248
frisby - REST API testing framework.
233
minimock - Mock generator for Go interfaces.
211
Tavor - Generic fuzzing and delta-debugging framework.
208
ggr - a lightweight server that routes and proxies Selenium WebDriver requests to multiple Selenium hubs.
195
go-carpet - Tool for viewing test coverage in terminal.
188
charlatan - Tool to generate fake interface implementations for tests.
157
go-txdb - Single transaction based database driver mainly for testing purposes.
118
gotest.tools - A collection of packages to augment the go testing package and support common patterns.
111
GoSpec - BDD-style testing framework for the Go programming language.
90
endly - Declarative end to end functional testing.
84
dbcleaner - Clean database for testing purpose, inspired by database_cleaner in Ruby.
82
cupaloy - Simple snapshot testing addon for your test framework.
81
govcr - HTTP mock for Golang: record and replay HTTP interactions for offline testing.
62
wstest - Websocket client for unit-testing a websocket http.Handler.
55
go-testdeep - Extremely flexible golang deep comparison, extends the go testing package.
51
gospecify - This provides a BDD syntax for testing your Go code. It should be familiar to anybody who has used libraries such as rspec.
48
restit - Go micro framework to help writing RESTful API integration test.
32
commander - Tool for testing cli applications on windows, linux and osx.
30
gomatch - library created for testing JSON against patterns.
26
bro - Watch files in directory and run tests for them.
26
Hamcrest - fluent framework for declarative Matcher objects that, when applied to input values, produce self-describing results.
25
dsunit - Datastore testing for SQL, NoSQL, structured files.
22
mockhttp - Mock object for Go http.ResponseWriter.
21
jsonassert - Package for verifying that your JSON payloads are serialized correctly.
13
assert - Basic Assertion Library used along side native go testing, with building blocks for custom assertions.
9
gosuite - Brings lightweight test suites with setup/teardown facilities to testing by leveraging Go1.7's Subtests.
8
badio - Extensions to Go's testing/iotest package.
8
gocrest - Composable hamcrest-like matchers for Go assertions.
8
testcase - Idiomatic testing framework for Behavior Driven Development.
7
gogiven - YATSPEC-like BDD testing framework for Go.
7
testsql - Generate test data from SQL files before testing and clear it after finished.
6
biff - Bifurcation testing framework, BDD compatible.
5
Tt - Simple and colorful test tools.
ginkgo - BDD Testing Framework for Go.
gocheck - More advanced testing framework alternative to gotest.
gomega - Rspec like matcher/assertion library.
testmd - Convert markdown snippets into testable go code.

Text Processing

8220
colly - Fast and Elegant Scraping Framework for Gophers.
7493
GoQuery - GoQuery brings a syntax and a set of features similar to jQuery to the Go language.
3852
blackfriday - Markdown processor in Go.
2747
toml - TOML configuration format (encoder/decoder with reflection).
1941
sh - Shell parser and formatter.
1872
go-humanize - Formatters for time, numbers, and memory size to human readable format.
1221
bluemonday - HTML Sanitizer.
1131
inject - Package inject provides a reflect based injector.
1088
gofeed - Parse RSS and Atom feeds in Go.
601
go-toml - Go library for the TOML format with query support and handy cli tools.
551
commonregex - A collection of common regular expressions for Go.
457
xurls - Extract urls from text.
365
slug - URL-friendly slugify with multiple languages support.
327
mxj - Encode / decode XML as JSON or map[string]interface{}; extract values with dot-notation paths and wildcards. Replaces x2j and j2x packages.
292
gographviz - Parses the Graphviz DOT language.
285
dataflowkit - Web scraping Framework to turn websites into structured data.
229
gotext - GNU gettext utilities for Go.
209
go-runewidth - Functions to get fixed width of the character or string.
198
gotabulate - Easily pretty-print your tabular data with Go.
144
goq - Declarative unmarshaling of HTML using struct tags with jQuery syntax (uses GoQuery).
143
radix - fast string sorting algorithm.
121
htmlquery - An XPath query package for HTML, lets you extract data or evaluate from HTML documents by an XPath expression.
94
go-nmea - NMEA parser library for the Go language.
68
sdp - SDP: Session Description Protocol [RFC 4566].
57
align - A general purpose application that aligns text.
50
genex - Count and expand Regular Expressions into all matching Strings.
44
guesslanguage - Functions to determine the natural language of a unicode text.
41
go-zero-width - Zero-width character detection and removal for Go.
37
editorconfig-core-go - Editorconfig file parser and manipulator for Go.
35
goregen - Library for generating random strings from regular expressions.
33
allot - Placeholder and wildcard text parsing for CLI tools and bots.
31
parth - URL path segmentation parsing.
29
gonameparts - Parses human names into individual name parts.
28
go-slugify - Make pretty slug with multiple languages support.
26
Slugify - Go slugify application that handles string.
24
go-fixedwidth - Fixed-width text formatting (encoder/decoder with reflection).
24
go-vcard - Parse and format vCard.
22
did - DID (Decentralized Identifiers) Parser and Stringer in Go.
17
xj2go - Convert xml or json to go struct.
15
gofuckyourself - A sanitization-based swear filter for Go.
12
kace - Common case conversions covering common initialisms.
7
codetree - Parses indented code (python, pixy, scarlet, etc.) and returns a tree structure.
7
enca - Minimal cgo bindings for libenca.
5
bbConvert - Converts bbCode to HTML that allows you to add support for custom bbCode tags.
5
parseargs-go - string argument parser that understands quotes and backslashes.
4
doi - Document object identifier (doi) parser in Go.
4
syndfeed - A syndication feed for Atom 1.0 and RSS 2.0.
3
encdec - Package provides a generic interface to encoders and decodersa.
3
TySug - Alternative suggestions with respect to keyboard layouts.
2
ltsv - High performance LTSV (Labeled Tab Separeted Value) reader for Go.
Tagify - Produces a set of tags from given source.
github_flavored_markdown - GitHub Flavored Markdown renderer (using blackfriday) with fenced code block highlighting, clickable header anchor links.
gommon/bytes - Format bytes to string.

Third-party APIs

4985
aws-sdk-go - The official AWS SDK for the Go programming language.
4724
github - Go library for accessing the GitHub REST API v3.
2384
slack - Slack API in Go.
1908
google - Auto-generated Google APIs for Go.
1757
google-cloud - Google Cloud APIs Go Client Library.
985
anaconda - Go client library for the Twitter 1.1 API.
956
discordgo - Go bindings for the Discord Chat API.
931
stripe - Go client for the Stripe API.
765
facebook - Go Library that supports the Facebook Graph API.
712
minio-go - Minio Go Library for Amazon S3 compatible cloud storage.
701
go-twitter - Go client library for the Twitter v1.1 APIs.
563
go-jira - Go client library for Atlassian JIRA
495
githubql - Go library for accessing the GitHub GraphQL API v4.
340
webhooks - Webhook receiver for GitHub and Bitbucket.
302
geo-golang - Go Library to access Google Maps, MapQuest, Nominatim, OpenCage, Bing, Mapbox, and OpenStreetMap geocoding / reverse geocoding APIs.
300
paypal - Wrapper for PayPal payment API.
188
go-marathon - Go library for interacting with Mesosphere's Marathon PAAS.
163
ethrpc - Go bindings for Ethereum JSON RPC API.
118
gostorm - GoStorm is a Go library that implements the communications protocol required to write Storm spouts and Bolts in Go that communicate with the Storm shells.
115
Medium - Golang SDK for Medium's OAuth2 API.
113
hipchat (xmpp) - A golang package to communicate with HipChat over XMPP.
110
hipchat - This project implements a golang client library for the Hipchat API.
100
go-trending - Go library for accessing trending repositories and developers at Github.
100
Trello - Go wrapper for the Trello API.
57
clarifai - Go client library for interfacing with the Clarifai API.
57
megos - Client library for accessing an Apache Mesos cluster.
57
pushover - Go wrapper for the Pushover API.
52
igdb - Go client for the Internet Game Database API.
45
wit-go - Go client for wit.ai HTTP API.
43
gads - Google Adwords Unofficial API.
41
circleci - Go client library for interacting with CircleCI's API.
38
go-xkcd - Go client for the xkcd API.
36
GoMusicBrainz - Go MusicBrainz WS2 client library.
35
uptimerobot - Go wrapper and command-line client for the Uptime Robot v2 API.
32
fcm - Go library for Firebase Cloud Messaging.
29
gcm - Go library for Google Cloud Messaging.
29
golyrics - Golyrics is a Go library to fetch music lyrics data from the Wikia website.
29
mixpanel - Mixpanel is a library for tracking events and sending Mixpanel profile updates to Mixpanel from your go applications.
27
translate - Go online translation package.
26
gami - Go library for Asterisk Manager Interface.
20
go-unsplash - Go client library for the Unsplash.com API.
19
shopify - Go Library to make CRUD request to the Shopify API.
18
patreon-go - Go library for Patreon API.
17
go-twitch - Go client for interacting with the Twitch v3 API.
16
brewerydb - Go library for accessing the BreweryDB API.
16
go-myanimelist - Go client library for accessing the MyAnimeList API.
16
spotify - Go Library to access Spotify WEB API.
14
codeship-go - Go client library for interacting with Codeship's API v2.
14
steam - Go Library to interact with Steam game servers.
13
go-imgur - Go client library for imgur
12
coinpaprika-go - Go client library for interacting with Coinpaprika's API.
12
google-analytics - Simple wrapper for easy google analytics reporting.
12
TheMovieDb - Simple golang package to communicate with themoviedb.org.
12
ynab - Go wrapper for the YNAB API.
10
smite - Go package to wraps access to the Smite game API.
9
go-hacknews - Tiny Go client for HackerNews API.
9
simples3 - Simple no frills AWS S3 Library using REST with V4 Signing written in Go.
8
go-sptrans - Go client library for the SPTrans Olho Vivo API.
8
rrdaclient - Go Library to access statdns.com API, which is in turn RRDA API. DNS Queries over HTTP.
6
tumblr - Go wrapper for the Tumblr v2 API.
5
go-sophos - Go client library for the Sophos UTM REST API with zero dependencies.
5
zooz - Go client for the Zooz API.
3
go-chronos - Go library for interacting with the Chronos Job Scheduler
1
gomalshare - Go library MalShare API malshare.com
1
playlyfe - The Playlyfe Rest API Go SDK.
1
TripAdvisor - Go wrapper for the TripAdvisor API.
go-telegraph - Telegraph publishing platform API client.
textbelt - Go client for the textbelt.com txt messaging API.

Utilities

22824
fzf - Command-line fuzzy finder written in Go.
16806
hub - wrap git commands with additional functionality to interact with github from the terminal.
11861
delve - Go debugger.
8743
ctop - Top-like interface (e.g. htop) for container metrics.
8245
wuzz - Interactive cli tool for HTTP inspection.
6688
sqlx - provides a set of extensions on top of the excellent built-in database/sql package.
5421
peco - Simplistic interactive filtering tool.
4656
usql - usql is a universal command-line interface for SQL databases.
4456
goreleaser - Deliver Go binaries as fast and easily as possible.
3736
godropbox - Common libraries for writing Go services/applications from Dropbox.
3627
go-torch - Stochastic flame graph profiler for Go programs.
2476
goreporter - Golang tool that does static analysis, unit testing, code review and generate code quality report.
2113
panicparse - Groups similar goroutines and colorizes stack dump.
1978
hystrix-go - Implements Hystrix patterns of programmer-defined fallbacks aka circuit breaker.
1897
resty - Simple HTTP and REST client for Go inspired by Ruby rest-client.
1880
Task - simple "Make" alternative.
1849
minify - Fast minifiers for HTML, CSS, JS, XML, JSON and SVG file formats.
1449
mmake - Modern Make.
1341
Storm - Simple and powerful toolkit for BoltDB.
1299
mole - cli app to easily create ssh tunnels.
1142
go-funk - Modern Go utility library which provides helpers (map, find, contains, filter, chunk, reverse, ...).
1091
mc - Minio Client provides minimal tools to work with Amazon S3 compatible cloud storage and filesystems.
992
profile - Simple profiling support package for Go.
934
filetype - Small package to infer the file type checking the magic numbers signature.
928
boilr - Blazingly fast CLI tool for creating projects from boilerplate templates.
832
mergo - Helper to merge structs and maps in Golang. Useful for configuration default values, avoiding messy if-statements.
783
circuitbreaker - Circuit Breakers in Go.
775
spinner - Go package to easily provide a terminal spinner with options.
711
git-time-metric - Simple, seamless, lightweight time tracking for Git.
650
jump - Jump helps you navigate faster by learning your habits.
602
immortal - *nix cross-platform (OS agnostic) supervisor.
479
htcat - Parallel and Pipelined HTTP GET Utility.
432
go-dry - DRY (don't repeat yourself) package for Go.
423
gopencils - Small and simple package to easily consume REST APIs.
402
godaemon - Utility to write daemons.
356
request - Go HTTP Requests for Humans™.
325
circuit - An efficient and feature complete Hystrix like Go implementation of the circuit breaker pattern.
310
ergo - The management of multiple local services running over different ports made easy.
291
go-rate - Timed rate limiter for Go.
290
koazee - Library inspired in Lazy evaluation and functional programming that takes the hassle out of working with arrays.
248
gohper - Various tools/modules help for development.
219
clockwork - A simple fake clock for golang.
208
Deepcopier - Simple struct copying for Go.
190
serve - A static http server anywhere you need.
179
go-trigger - Go-lang global event triggerer, Register Events with an id and trigger the event from anywhere from your project.
159
go-bind-plugin - go:generate tool for wrapping symbols exported by golang plugins (1.8 only).
154
rerun - Recompiling and rerunning go apps when source changes.
148
moldova - Utility for generating random data based on an input template.
145
retry - The most advanced functional mechanism to perform actions repetitively until successful.
138
gotenv - Load environment variables from .env or any io.Reader in Go.
135
gubrak - Golang utility library with syntactic sugar. It's like lodash, but for golang.
134
robustly - Runs functions resiliently, catching and restarting panics.
133
util - Collection of useful utility functions. (strings, concurrency, manipulations, ...).
132
Death - Managing go application shutdown with signals.
129
apm - Process manager for Golang applications with an HTTP API.
106
chyle - Changelog generator using a git repository with multiple configuration possibilities.
104
go-sitemap-generator - XML Sitemap generator written in Go.
104
mimetype - Package for MIME type detection based on magic numbers.
100
lrserver - LiveReload server for Go.
100
onecache - Caching library with support for multiple backend stores (Redis, Memcached, filesystem etc).
89
toolbox - Slice, map, multimap, struct, function, data conversion utilities. Service router, macro evaluator, tokenizer.
81
go-bsdiff - Pure Go bsdiff and bspatch libraries and CLI tools.
71
pm - Process (i.e. goroutine) manager with an HTTP API.
69
UNIS - Common Architecture™ for String Utilities in Go.
68
xferspdy - Xferspdy provides binary diff and patch library in golang.
65
netbug - Easy remote profiling of your services.
62
go-health - Health package simplifies the way you add health check to your services.
58
multitick - Multiplexor for aligned tickers.
57
mssqlx - Database client library, proxy for any master slave, master master structures. Lightweight and auto balancing in mind.
56
repeat - Go implementation of different backoff strategies useful for retrying operations and heartbeating.
51
abutil - Collection of often-used Golang helpers.
50
minquery - MongoDB / mgo.v2 query that supports efficient pagination (cursors to continue listing documents where we left off).
45
go-astitodo - Parse TODOs in your GO code.
45
handy - Many utilities and helpers like string handlers/formatters and validators.
43
golog - Easy and lightweight CLI tool to time track your tasks.
42
mimemagic - Pure Go ultra performant MIME sniffing library/utility.
39
gaper - Builds and restarts a Go project when it crashes or some watched file changes.
39
goback - Go simple exponential backoff package.
39
intrinsic - Use x86 SIMD without writing any assembly code.
36
copy-pasta - Universal multi-workstation clipboard that uses S3 like backend for the storage.
34
golarm - Fire alarms with system events.
34
myhttp - Simple API to make HTTP GET requests with timeout support.
34
retry - Simple and easy retry mechanism package for Go.
28
goreadability - Webpage summary extractor using Facebook Open Graph and arc90's readability.
27
goseaweedfs - SeaweedFS client library with almost full features.
27
rclient - Readable, flexible, simple-to-use client for REST APIs.
26
retry-go - Retrying made simple and easy for golang.
25
gpath - Library to simplify access struct fields with Go's expression in reflection.
24
pgo - Convenient functions for PHP community.
22
goplaceholder - a small golang lib to generate placeholder images.
20
ugo - ugo is slice toolbox with concise syntax for Go.
19
generate - runs go generate recursively on a specified path or environment variable and can filter by regex.
15
dlog - Compile-time controlled logger to make your release smaller without removing debug calls.
14
evaluator - Evaluate an expression dynamicly based on s-expression. It's simple and easy to extend.
14
filler - small utility to fill structs using "fill" tag.
14
go-httpheader - Go library for encoding structs into Header fields.
14
gostrutils - Collections of string manipulation and conversion functions.
14
okrun - go run error steamroller.
12
fastlz - Wrap over FastLz (free, open-source, portable real-time compression library) for GoLang.
12
ghokin - Parallelized formatter with no external dependencies for gherkin (cucumber, behat...).
12
rerate - Redis-based rate counter and rate limiter for Go.
12
structs - Implement simple functions to manipulate structs.
11
dbt - A framework for running self-updating signed binaries from a central, trusted repository.
11
filter - provide filtering, sanitizing, and conversion of Go data.
11
scan - Scan golang sql.Rows directly to structs, slices, or primitive types.
10
retry - A pretty simple library to ensure your work to be done.
9
command - Command pattern for Go with thread safe serial and parallel dispatcher.
8
backscanner - A scanner similar to bufio.Scanner, but it reads and returns lines in reverse order, starting at a given position and going backward.
7
mimesniffer - A MIME type sniffer for Go.
7
tracer - Simple, lightweight tracing.
6
ctxutil - A collection of utility functions for contexts.
4
silk - Read silk netflow files.
4
sslice - Create a slice which is always sorted.
3
slicer - Makes working with slices easier.
2
go-problemdetails - Go package for working with Problem Details.
2
retry - A simple but highly configurable retry package for Go.
2
sliceconv - Slice conversion between primitive types.
1
blank - Verify or remove blanks and whitespace from strings.
1
olaf - Twitter Snowflake implemented in Go.
realize - Go build system with file watchers and live reload. Run, build and watch file changes with custom paths.

UUID

1660
ulid - Go implementation of ULID (Universally Unique Lexicographically Sortable Identifier).
562
uuid - Implementation of Universally Unique Identifier (UUID). Supports both creation and parsing of UUIDs. Actively maintained fork of satori uuid.
279
wuid - An extremely fast unique number generator, 10-135 times faster than UUID.
20
goid - Generate and Parse RFC4122 compliant V4 UUIDs.
14
sno - Compact, sortable and fast unique IDs with embedded metadata.
10
uuid - Generate, encode, and decode UUIDs v1 with fast or cryptographic-quality random node identifier.
3
nanoid - A tiny and efficient Go unique string ID generator.
uniq - No hassle safe, fast unique identifiers with commands.

Validation

3517
govalidator - Validators and sanitizers for strings, numerics, slices and structs.
3418
validator - Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving.
1022
ozzo-validation - Supports validation of various data types (structs, strings, maps, slices, etc.) with configurable and extensible validation rules specified in usual code constructs instead of struct tags.
706
govalidator - Validate Golang request data with simple rules. Highly inspired by Laravel's request validation.
89
validate - Go package for data validation and filtering. support validate Map, Struct, Request(Form, JSON, url.Values, Uploaded Files) data and more features.
44
checkdigit - Provide check digit algorithms (Luhn, Verhoeff, Damm) and calculators (ISBN, EAN, JAN, UPC, etc.).
21
jio - jio is a json schema validator similar to joi.
19
validate - This package provides a framework for writing validations for Go applications.

Version Control

4160
go-git - highly extensible Git implementation in pure Go.
1350
git2go - Go bindings for libgit2.
517
hercules - gaining advanced insights from Git repository history.
69
gh - Scriptable server and net/http middleware for GitHub Webhooks.
69
go-vcs - manipulate and inspect VCS repositories in Go.
12
hgo - Hgo is a collection of Go packages providing read-access to local Mercurial repositories.

Video

766
goav - Comphrensive Go bindings for FFmpeg.
523
gmf - Go bindings for FFmpeg av* libraries.
256
go-astits - Parse and demux MPEG Transport Streams (.ts) natively in GO.
164
go-astisub - Manipulate subtitles in GO (.srt, .stl, .ttml, .webvtt, .ssa/.ass, teletext, .smi, etc.).
152
gst - Go bindings for GStreamer.
62
libvlc-go - Go bindings for libvlc 2.X/3.X/4.X (used by the VLC media player).
36
go-m3u8 - Parser and generator library for Apple m3u8 playlists.
27
v4l - Video capture library for Linux, written in Go.
11
libgosubs - Subtitle format support for go. Supports .srt, .ttml, and .ass.

Web Frameworks

29320
Gin - Gin is a web framework written in Go! It features a martini-like API with much better performance, up to 40 times faster. If you need performance and good productivity.
21249
Beego - beego is an open-source, high-performance web framework for the Go programming language.
14515
Echo - High performance, minimalist Go web framework.
11209
Revel - High-productivity web framework for the Go language.
3484
Goa - Goa provides a holistic approach for developing remote APIs and microservices in Go.
3324
go-json-rest - Quick and easy way to setup a RESTful JSON API.
2826
Gizmo - Microservice toolkit used by the New York Times.
2793
Macaron - Macaron is a high productive and modular design web framework in Go.
2135
utron - Lightweight MVC framework for Go(Golang).
995
tigertonic - Go framework for building JSON web services inspired by Dropwizard.
817
tango - Micro & pluggable web framework for Go.
519
traffic - Sinatra inspired regexp/pattern mux and web framework for Go.
516
Air - An ideally refined web framework for Go.
415
gongular - Fast Go web framework with input mapping/validation and (DI) Dependency Injection.
393
neo - Neo is minimal and fast Go Web Framework with extremely simple API.
339
mango - Mango is a modular web-application framework for Go, inspired by Rack, and PEP333.
314
Gondola - The web framework for writing faster sites, faster.
235
Golf - Golf is a fast, simple and lightweight micro-web framework for Go. It comes with powerful features and has no dependencies other than the Go Standard Library.
154
Aero - High-performance web framework for Go, reaches top scores in Lighthouse.
153
Gem - Simple and fast web framework, friendly to REST API.
115
go-rest - Small and evil REST framework for Go.
85
hiboot - hiboot is a high performance web application framework with auto configuration and dependency injection support.
73
WebGo - A micro-framework to build web apps; with handler chaining, middleware and context injection. With standard library compliant HTTP handlers(i.e. http.HandlerFunc).
71
Golax - A non Sinatra fast HTTP framework with support for Google custom methods, deep interceptors, recursion and more.
56
Microservice - The framework for the creation of microservices, written in Golang.
50
YARF - Fast micro-framework designed to build REST APIs and web services in a fast and simple way.
49
uAdmin - Fully featured web framework for Golang, inspired by Django.
48
Fireball - More "natural" feeling web framework.
39
vox - A golang web framework for humans, inspired by Koa heavily.
33
patron - Patron is a microservice framework following best cloud practices with a focus on productivity.
29
Resoursea - REST framework for quickly writing resource based services.
25
rex - Rex is a library for modular development built upon gorilla/mux, fully compatible with net/http.
21
nio - Modern, minimal and productive Go HTTP framework.
7
Banjo - Very simple and fast web framework for Go.
2
sawsij - lightweight, open-source web framework for building high-performance, data-driven web applications.
aah - Scalable, performant, rapid development Web framework for Go.
Buffalo - Bringing the productivity of Rails to Go!
REST Layer - Framework to build REST/GraphQL API on top of databases with mostly configuration over code.
Zerver - Zerver is an expressive, modular, feature completed RESTful framework.

Actual middlewares

1235
Tollbooth - Rate limit HTTP request handler.
1199
CORS - Easily add CORS capabilities to your API.
780
Limiter - Dead simple rate limit middleware for Go.
743
go-server-timing - Add/parse Server-Timing header.
87
ln-paywall - Go middleware for monetizing APIs on a per-request basis with the Lightning Network (Bitcoin).
72
XFF - Handle X-Forwarded-For header and friends.
33
formjson - Transparently handle JSON input as a standard form POST.
13
client-timing - An HTTP client for Server-Timing header.

Libraries for creating HTTP middlewares

6303
negroni - Idiomatic HTTP middleware for Golang.
1815
alice - Painless middleware chaining for Go.
1263
render - Go package for easily rendering JSON, XML, and HTML template responses.
536
stats - Go middleware that stores various information about your web application.
289
interpose - Minimalist net/http middleware for golang.
208
muxchain - Lightweight middleware for net/http.
168
renderer - Simple, lightweight and faster response (JSON, JSONP, XML, YAML, HTML, File) rendering package for Go.
93
rye - Tiny Go middleware library (with canned Middlewares) that supports JWT, CORS, Statsd, and Go 1.7 context.
81
gores - Go package that handles HTML, JSON, XML and etc. responses. Useful for RESTful APIs.
63
chain - Handler wrapper chaining with scoped data (net/context-based "middleware").
59
go-wrap - Small middlewares package for net/http.
7
catena - http.Handler wrapper catenation (same API as "chain").

Routers

9582
httprouter - High performance router. Use this and the standard http handlers to form a very high performance web framework.
9541
mux - Powerful URL router and dispatcher for golang.
5953
chi - Small, fast and expressive HTTP router built on net/context.
1393
gocraft/web - Mux and middleware package in Go.
1217
Bone - Lightning Fast HTTP Multiplexer.
764
Goji - Goji is a minimalistic and flexible HTTP request multiplexer with support for net/context.
744
fasthttprouter - High performance router forked from httprouter. The first router fit for fasthttp.
447
xujiajun/gorouter - A simple and fast HTTP router for Go.
384
httptreemux - High-speed, flexible tree-based HTTP router for Go. Inspiration from httprouter.
375
lars - Is a lightweight, fast and extensible zero allocation HTTP router for Go used to create customizable frameworks.
357
ozzo-routing - An extremely fast Go (golang) HTTP router that supports regular expression route matching. Comes with full support for building RESTful APIs.
349
Siesta - Composable framework to write middleware and handlers.
250
vestigo - Performant, stand-alone, HTTP compliant URL Router for go web applications.
157
gowww/router - Lightning fast HTTP router fully compatible with the net/http.Handler interface.
105
alien - Lightweight and fast http router from outer space.
95
violetear - Go HTTP router.
93
Bxog - Simple and fast HTTP router for Go. It works with routes of varying difficulty, length and nesting. And he knows how to create a URL from the received parameters.
88
xmux - High performance muxer based on httprouter with net/context support.
84
pure - Is a lightweight HTTP router that sticks to the std "net/http" implementation.
49
GoRouter - GoRouter is a Server/API micro framwework, HTTP request router, multiplexer, mux that provides request router with middleware supporting net/context.
38
bellt - A simple Go HTTP router.
18
FastRouter - a fast, flexible HTTP router written in Go.

Windows

547
go-ole - Win32 OLE implementation for golang.
85
d3d9 - Go bindings for Direct3D9.
1
gosddl - Converter from SDDL-string to user-friendly JSON. SDDL consist of four part: Owner, Primary Group, DACL, SACL.

XML

250
zek - Generate a Go struct from XML.
157
xpath - XPath package for Go.
145
xquery - XQuery lets you extract data from HTML/XML documents using XPath expression.
16
XML-Comp - Simple command line XML comparer that generates diffs of folders, files and tags.
15
xml2map - XML to MAP converter written Golang.
6
xmlwriter - Procedural XML generation API based on libxml2's xmlwriter module.

Code Analysis

3127
GoLint - Golint is a linter for Go source code.
1314
errcheck - Errcheck is a program for checking for unchecked errors in Go programs.
913
gcvis - Visualise Go program GC trace data in real time.
615
php-parser - A Parser for PHP written in Go.
565
go-critic - source code linter that brings checks that are currently not implemented in other linters.
368
goast-viewer - Web based Golang AST visualizer.
280
go-cleanarch - go-cleanarch was created to validate Clean Architecture rules, like a The Dependency Rule and interaction between packages in your Go projects.
257
unconvert - Remove unnecessary type conversions from Go source.
241
gostatus - Command line tool, shows the status of repositories that contain Go packages.
180
go-mod-outdated - An easy way to find outdated dependencies of your Go projects.
167
dupl - Tool for code clone detection.
165
apicompat - Checks recent changes to a Go project for backwards incompatible changes.
95
go-checkstyle - checkstyle is a style check tool like java checkstyle. This tool inspired by java checkstyle, golint. The style referred to some points in Go Code Review Comments.
63
lint - Run linters as part of go test.
62
validate - Automatically validates struct fields with tags.
45
go-outdated - Console application that displays outdated packages.
14
tarp - tarp finds functions and methods without direct unit tests in Go source code.
GoCover.io - GoCover.io offers the code coverage of any golang package as a service.
goimports - Tool to fix (add, remove) your Go imports automatically.
GolangCI - GolangCI is an automated Golang code review service for GitHub pull requests. Service is open source and it's free for open source projects.
Golint online - Lints online Go source files on GitHub, Bitbucket and Google Project Hosting using the golint package.
goreturns - Adds zero-value return statements to match the func return types.
gosimple - gosimple is a linter for Go source code that specialises on simplifying code.
staticcheck - staticcheck is go vet on steroids, applying a ton of static analysis checks you might be used to from tools like ReSharper for C#.
unused - unused checks Go code for unused constants, variables, functions and types.

Editor Plugins

10741
vim-go - Go development plugin for Vim.
5075
vscode-go - Extension for Visual Studio Code (VS Code) which provides support for the Go language.
4725
gocode - Autocompletion daemon for the Go programming language.
3226
GoSublime - Golang plugin collection for the text editor SublimeText 3 providing code completion and other IDE-like features.
1480
go-plus - Go (Golang) Package For Atom That Adds Autocomplete, Formatting, Syntax Checking, Linting and Vetting.
944
go-mode - Go mode for GNU/Emacs.
166
Watch - Runs a command in an acme win on file changes.
80
vim-compiler-go - Vim plugin to highlight syntax errors on save.
28
go-language-server - A wrapper to turn the VSCode go extension into a language server supporting the language-server-protocol.
17
gounit-vim - Vim plugin for generating Go tests based on the function's or method's signature.
16
velour - IRC client for the acme editor.
12
theia-go-extension - Go language support for the Theia IDE.
Go plugin for JetBrains IDEs - Go plugin for JetBrains IDEs.
goprofiling - This extension adds benchmark profiling support for the Go language to VS Code.

Go Generate Tools

2154
gotests - Generate Go tests from your source code.
937
genny - Elegant generics for Go.
168
re2dfa - Transform regular expressions into finite state machines and output Go source code.
111
gonerics - Idiomatic Generics in Go.
52
gocontracts - brings design-by-contract to Go by synchronizing the code with the documentation.
28
gounit - Generate Go tests using your own templates.
27
generic - flexible data type for Go.
12
hasgo - Generate Haskell inspired functions for your slices.
TOML-to-Go - Translates TOML into a Go type in the browser instantly.

Go Tools

3907
go-swagger - Swagger 2.0 implementation for go. Swagger is a simple yet powerful representation of your RESTful API.
3724
OctoLinker - Navigate through go files efficiently with the OctoLinker browser extension for GitHub.
1964
go-callvis - Visualize call graph of your Go program using dot format.
384
richgo - Enrich go test outputs with text decorations.
372
depth - Visualize dependency trees of any package by analyzing imports.
184
rts - RTS: response to struct. Generates Go structs from server responses.
157
godbg - Implementation of Rusts dbg! macro for quick and easy debugging during development.
96
colorgo - Wrapper around go command for colorized go build output.
37
go-pkg-complete - Bash completion for go and wgo.
13
generator-go-lang - A Yeoman generator to get new Go projects started.
gb - An easy to use project based build tool for the Go programming language.
gilbert - Build system and task runner for Go projects.

DevOps Tools

55557
kubernetes - Container Cluster Manager from Google.
54192
Moby - Collaborative project for the container ecosystem to assemble container-based systems.
23441
traefik - Reverse proxy and load balancer with support for multiple backends.
14885
Gitea - Fork of Gogs, entirely community driven.
12006
Vegeta - HTTP load testing tool and library. It's over 9000!
9132
Packer - Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.
6184
Hey - Hey is a tiny program that sends some load to a web application.
4448
GVM - GVM provides an interface to manage Go versions.
4046
webhook - Tool which allows user to create HTTP endpoints (hooks) that execute commands on the server.
3729
gaia - Build powerful pipelines in any programming language.
3335
gox - Dead simple, no frills Go cross compile tool.
2850
bosun - Time Series Alerting Framework.
1706
bombardier - Fast cross-platform HTTP benchmarking tool.
1625
goxc - build tool for Go, with a focus on cross-compiling and packaging.
1604
fac - Command-line user interface to fix git merge conflicts.
1352
kala - Simplistic, modern, and performant job scheduler.
1155
StatusOK - Monitor your Website and REST APIs.Get Notified through Slack, E-mail when your server is down or response time is more than expected.
989
s3gof3r - Small utility/library optimized for high speed transfer of large objects into and out of Amazon S3.
895
script - Making it easy to write shell-like scripts in Go for DevOps and system administration tasks.
660
go-selfupdate - Enable your Go applications to self update.
546
skm - SKM is a simple and powerful SSH Keys Manager, it helps you to manage your multiple SSH keys easily!
534
Scaleway-cli - Manage BareMetal Servers from Command Line (as easily as with Docker).
473
Pomerium - Pomerium is an identity-aware access proxy.
397
aurora - Cross-platform web-based Beanstalkd queue server console.
380
govvv - “go build” wrapper to easily add version information into Go binaries.
313
gonative - Tool which creates a build of Go that can cross compile to all platforms while still using the Cgo-enabled versions of the stdlib packages.
265
Mora - REST server for accessing MongoDB documents and meta data.
220
lstags - Tool and API to sync Docker images across different registries.
219
godbg - Web-based gdb front-end application.
218
dogo - Monitoring changes in the source file and automatically compile and run (restart).
203
manssh - manssh is a command line tool for managing your ssh alias config easily.
200
Pewpew - Flexible HTTP command line stress tester.
175
gobrew - gobrew lets you easily switch between multiple versions of go.
168
Blast - A simple tool for API load testing and batch jobs.
164
ostent - collects and displays system metrics and optionally relays to Graphite and/or InfluxDB.
135
grapes - Lightweight tool designed to distribute commands over ssh with ease.
99
easyssh-proxy - Golang package for easy remote execution through SSH and SCP downloading via ProxyCommand.
77
kcli - Command line tool for inspecting kafka topics/partitions/messages.
66
winrm-cli - Cli tool to remotely execute commands on Windows machines.
63
go-furnace - Hosting solution written in Go. Deploy your Application with ease on AWS, GCP or DigitalOcean.
55
drone-scp - Copy files and artifacts via SSH using a binary, docker or Drone CI.
46
Dropship - Tool for deploying code via cdn.
30
Rodent - Rodent helps you manage Go versions, projects and track dependencies.
24
drone-jenkins - Trigger downstream Jenkins jobs using a binary, docker or Drone CI.
21
awsenv - Small binary that loads Amazon (AWS) environment variables for a profile.
9
DepCharge - Helps orchestrating the execution of commands across the many dependencies in larger projects.
8
lwc - A live-updating version of the UNIX wc command.
5
sg - Benchmarks a set of HTTP endpoints (like ab), with possibility to use the response code and data between each call for specific server stress based on its previous response.
aptly - aptly is a Debian repository management tool.
gitea-github-migrator - Migrate all your GitHub repositories, issues, milestones and labels to your Gitea instance.
Gogs - A Self Hosted Git Service in the Go Programming Language.
Wide - Web-based IDE for Teams using Golang.

Other Software

11271
Gor - Http traffic replication tool, for replaying traffic from production to stage/dev environments in real-time.
8728
rkt - App Container runtime that integrates with init systems, is compatible with other container formats like Docker, and supports alternative execution engines like KVM.
8119
Seaweed File System - Fast, Simple and Scalable Distributed File System with O(1) disk seek.
7341
restic - De-duplicating backup program.
6366
confd - Manage local application configuration files using templates and data from etcd or consul.
6162
Comcast - Simulate bad network connections.
5437
LiteIDE - LiteIDE is a simple, open source, cross-platform Go IDE.
4938
drive - Google Drive client for the commandline.
4121
nes - Nintendo Entertainment System (NES) emulator written in Go.
3886
toxiproxy - Proxy to simulate network and system conditions for automated tests.
2770
Pipe - A small and beautiful blogging platform.
2672
Duplicacy - A cross-platform network and cloud backup tool based on the idea of lock-free deduplication.
2192
myLG - Command Line Network Diagnostic tool written in Go.
2099
GoBoy - Nintendo Game Boy Color emulator written in Go.
1985
Stack Up - Stack Up, a super simple deployment tool - just Unix - think of it like 'make' for a network of servers.
1804
snap - Powerful telemetry framework.
1785
Circuit - Circuit is a programmable platform-as-a-service (PaaS) and/or Infrastructure-as-a-Service (IaaS), for management, discovery, synchronization and orchestration of services and hosts comprising cloud applications.
1783
lgo - Interactive Go programming with Jupyter. It supports code completion, code inspection and 100% Go compatibility.
1417
borg - Terminal based search engine for bash snippets.
877
Go Package Store - App that displays updates for the Go packages in your GOPATH.
809
Documize - Modern wiki software that integrates data from SaaS tools.
764
scc - Sloc Cloc and Code, a very fast accurate code counter with complexity calculations and COCOMO estimates.
640
Leaps - Pair programming service using Operational Transforms.
595
peg - Peg, Parsing Expression Grammar, is an implementation of a Packrat parser generator.
593
vFlow - High-performance, scalable and reliable IPFIX, sFlow and Netflow collector.
494
gfile - Securely transfer files between two computers, without any third party, over WebRTC.
420
GoDNS - A dynamic DNS client tool, supports DNSPod & HE.net, written in Go.
414
mockingjay - Fake HTTP servers and consumer driven contracts from one configuration file. You can also make the server randomly misbehave to help do more realistic performance tests.
399
shell2http - Executing shell commands via http server (for prototyping or remote control).
373
go-peerflix - Video streaming torrent client.
339
gocc - Gocc is a compiler kit for Go written in Go.
289
wellington - Sass project management tool, extends the language with sprite functions (like Compass).
274
ipe - Open source Pusher server implementation compatible with Pusher client libraries written in GO.
250
ide - Browser accessible IDE. Designed for Go with Go.
193
Cherry - Tiny webchat server in Go.
177
orange-cat - Markdown previewer written in Go.
128
Orbit - A simple tool for running commands and generating files from templates.
121
joincap - Command-line utility for merging multiple pcap files together.
97
DDNS - Personal DDNS client with Digital Ocean Networking DNS as backend.
72
boxed - Dropbox based blog engine.
20
naclpipe - Simple NaCL EC25519 based crypto pipe tool written in Go.
17
term-quiz - Quizzes for your terminal.
15
Snitch - Simple way to notify your team and many tools when someone has deployed any application via Tsuru.
12
GoDocTooltip - Chrome extension for Go Doc sites, which shows function description as tooltip at function list.
Docker - Open platform for distributed applications for developers and sysadmins.
GoLand - Full featured cross-platform Go IDE.
hugo - Fast and Modern Static Website Engine.
Juju - Cloud-agnostic service deployment and orchestration - supports EC2, Azure, Openstack, MAAS and more.
limetext - Lime Text is a powerful and elegant text editor primarily developed in Go that aims to be a Free and open-source software successor to Sublime Text.
syncthing - Open, decentralized file synchronization tool and protocol.
tsuru - Extensible and open source Platform as a Service software.

Benchmarks

1255
go-http-routing-benchmark - Go HTTP request router benchmark and comparison.
985
go-web-framework-benchmark - Go web framework benchmark.
910
skynet - Skynet 1M threads microbenchmark.
855
go_serialization_benchmarks - Benchmarks of Go serialization methods.
172
speedtest-resize - Compare various Image resize algorithms for the Go language.
121
go-benchmarks - Few miscellaneous Go microbenchmarks. Compare some language features to alternative approaches.
93
gospeed - Go micro-benchmarks for calculating the speed of language constructs.
89
autobench - Framework to compare the performance between different Go versions.
52
gocostmodel - Benchmarks of common basic operations for the Go language.
48
golang-sql-benchmark - Collection of benchmarks for popular Go database/SQL utilities.
19
go-benchmark-app - Powerful HTTP-benchmark tool mixed with Аb, Wrk, Siege tools. Gathering statistics and various parameters for benchmarks and comparison results.
17
golang-micro-benchmarks - Tiny collection of Go micro benchmarks. The intent is to compare some language features to others.
14
kvbench - Key/Value database benchmark.

Conferences

Capital Go - Washington, D.C., USA.
dotGo - Paris, France.
GoCon - Tokyo, Japan.
GoDays - Berlin, Germany.
GoLab - Florence, Italy.
GolangUK - London, UK.
GopherChina - Shanghai, China.
GopherCon - Denver, USA.
GopherCon Australia - Sydney, Australia.
GopherCon Brazil - Florianópolis, BR.
GopherCon Europe - Reykjavik, Iceland.
GopherCon India - Pune, India.
GopherCon Israel - Tel Aviv, Israel.
GopherCon Russia - Moscow, Russia.
GopherCon Singapore - Mapletree Business City, Singapore.
GopherCon Vietnam - Ho Chi Minh City, Vietnam.
GothamGo - New York City, USA.
GoWayFest - Minsk, Belarus.

E-Books

Gophers

1835
gophers - Gopher artworks by Ashley McNamara.
1564
gophers - Free gophers.
1475
Free Gophers Pack - Gopher graphics pack by Maria Letta with illustrations and emotional characters in vector and raster.
313
gopherize.me - Gopherize yourself.
64
gopher-logos - adorable gopher logos.
50
gophers - random gopher graphics.
40
gophers - Gopher amigurumi toy pattern.
32
Go-gopher-Vector - Go gopher Vector Data [.ai, .svg].

Meetups

Twitter

Websites

24564
awesome-awesomeness - List of other amazingly awesome lists.
14462
Awesome Remote Job - Curated list of awesome remote jobs. A lot of them are looking for Go hackers.
141
golang-graphics - Collection of Go images, graphics, and art.
36
gocryforhelp - Collection of Go projects that needs help. Good place to start your open-source way in Go.
Awesome Go @LibHunt - Your go-to Go Toolbox.
CodinGame - Learn Go by solving interactive tasks using small games as practical examples.
Go Blog - The official Go blog.
Go Challenge - Learn Go by solving problems and getting feedback from Go experts.
Go Community on Hashnode - Community of Gophers on Hashnode.
Go Forum - Forum to discuss Go.
Go In 5 Minutes - 5 minute screencasts focused on getting one thing done.
Go Report Card - A report card for your Go package.
godoc.org - Documentation for open source Go packages.
Golang Flow - Post Updates, News, Packages and more.
Golang News - Links and news about Go programming.
golang-nuts - Go mailing list.
Google Plus Community - The Google+ community for #golang enthusiasts.
Gopher Community Chat - Join Our New Slack Community For Gophers (Understand how it came).
Gophercises - Free coding exercises for budding gophers.
gowalker.org - Go Project API documentation.
justforfunc - Youtube channel dedicated to Go programming language tips and tricks, hosted by Francesc Campoy @francesc.
r/Golang - News about Go.
studygolang - The community of studygolang in China.
Go Projects - List of projects on the Go community wiki.
Trending Go repositories on GitHub today - Good place to find new Go libraries.

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