pkg.gl

Simple, extremely lightweight, extensible, configuration management library for Go. Supports JSON, TOML, YAML, env, command line, file, S3 etc. Alternative to viper.

jinzhu/configor

Golang Configuration tool that support YAML, JSON, TOML, Shell Environment

ilyakaznacheev/cleanenv

✨Clean and minimalistic environment configuration reader for Golang

sethvargo/go-envconfig

A Go library for parsing struct tags from environment variables.

magiconair/properties

Java properties scanner for Go

go.uber.org/config

Configuration for Go applications

Containers

1.8k

Containers and Kubernetes

containerd/containerd

An open and reliable container runtime

fsouza/go-dockerclient

Go client for the Docker Engine API.

containers/buildah

A tool that facilitates building OCI images.

containers/storage

Container Storage Library

samalba/dockerclient

Docker client library in Go

regclient/regclient

Docker and OCI Registry Client in Go and tooling using those libraries.

code.cloudfoundry.org/garden

Go Warden

opencontainers/umoci

umoci modifies Open Container images

containerd/go-runc

runc bindings for Go

portainer/agent

The Portainer agent

Cryptography

1.8k

square/go-jose

An implementation of JOSE standards (JWE, JWS, JWT) in Go

google/certificate-transparency-go

Auditing for TLS certificates (Go code)

minio/sha256-simd

Accelerate SHA256 computations in pure Go using AVX512, SHA Extensions for x86 and ARM64 for ARM. On AVX512 it provides an up to 8x improvement (over 3 GB/s per core). SHA Extensions give a performance boost of close to 4x over native.

gtank/cryptopasta

copy & paste-friendly golang crypto

keybase/saltpack

a modern crypto messaging format

minio/highwayhash

Native Go version of HighwayHash with optimized assembly implementations on Intel and ARM. Able to process over 10 GB/sec on a single core on Intel CPUs - https://en.wikipedia.org/wiki/HighwayHash

miekg/pkcs11

pkcs11 wrapper for Go

flynn/noise

Go implementation of the Noise Protocol Framework

alexedwards/argon2id

Argon2id password hashing and verification for Go

kevinburke/nacl

Pure Go implementation of the NaCL set of API's

Database Implementations

3.7k

boltdb/bolt

An embedded key/value database for Go.

pingcap/tidb

TiDB - the open-source, cloud-native, distributed SQL database designed for modern applications.

go.etcd.io/bbolt

An embedded key/value database for Go.

hashicorp/raft

Golang implementation of the Raft consensus protocol

hashicorp/go-memdb

Golang in-memory database built on immutable radix trees

patrickmn/go-cache

An in-memory key:value store/cache (similar to Memcached) library for Go, suitable for single-machine applications.

cockroachdb/pebble

RocksDB/LevelDB inspired key-value database in Go

tidwall/buntdb

BuntDB is an embeddable, in-memory key/value database for Go with custom indexing and geospatial support

globalsign/mgo

The MongoDB driver for Go

golang/groupcache

groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.

Database Interface

2.6k

mattn/go-sqlite3

sqlite3 driver for go using database/sql

jmoiron/sqlx

general purpose extensions to golang's database/sql

lib/pq

Pure Go Postgres driver for database/sql

go-sql-driver/mysql

Go MySQL Driver is a MySQL driver for Go's (golang) database/sql package

go-pg/pg

Golang ORM with focus on PostgreSQL features and performance

rubenv/sql-migrate

SQL schema migration tool for Go.

denisenkom/go-mssqldb

Microsoft SQL server driver written in go language

pingcap/parser

A MySQL Compatible SQL Parser

mattes/migrate

Database migrations. CLI and Golang library.

huandu/go-sqlbuilder

A flexible and powerful SQL string builder library plus a zero-config ORM.

Date and Time

823

jinzhu/now

Now is a time toolkit for golang

araddon/dateparse

GoLang Parse many date strings without knowing format in advance.

gorhill/cronexpr

Cron expression parser in Go language (golang)

hako/durafmt

:clock8: Better time duration formatting in Go!

uniplaces/carbon

Carbon for Golang, an extension for Time

go-playground/locales

:earth_americas: a set of locales generated from the CLDR Project which can be used independently or within an i18n package; these were built for use with, but not exclusive to https://github.com/go-playground/universal-translator

olebedev/when

A natural language date/time parser with pluggable rules

arran4/golang-ical

A ICS / ICal parser and serialiser for Golang.

teambition/rrule-go

Go library for working with recurrence rules for calendar dates.

leekchan/timeutil

timeutil - useful extensions (Timedelta, Strftime, ...) to the golang's time package

DevOps, CI and CD

1.6k

goreleaser/nfpm

nFPM is Not FPM - a simple deb, rpm, apk, ipk, and arch linux packager written in Go

gaia-pipeline/gaia

Build powerful pipelines in any programming language.

concourse/concourse

Concourse is a container-based automation system written in Go.

drone/autoscaler

Automatically adds or removes instances based on build volume

travis-ci/worker

Worker runs your Travis CI jobs

pressly/sup

Super simple deployment tool - think of it like 'make' for a network of servers

buildpacks/pack

CLI for building apps using Cloud Native Buildpacks

hashicorp/waypoint-plugin-sdk

Waypoint Plugin SDK enables building plugins for Waypoint: builders, deployment platforms, release managers, and more.

hashicorp/hc-install

Go module for downloading or locating HashiCorp binaries, verifying signatures and checksums, and asserting version constraints.

fujiwara/stretcher

Deployment tool with consul/serf event notification.

Email

798

jordan-wright/email

Robust and flexible email library for Go

sendgrid/sendgrid-go

The Official Twilio SendGrid Golang API Library

emersion/go-smtp

📤 An SMTP client & server library written in Go

go-gomail/gomail

The best way to send emails in Go.

flashmob/go-guerrilla

Mini SMTP server written in golang

go-mail/mail

Fork of gomail.

emersion/go-message

✉️ A streaming Go library for the Internet Message Format and mail messages

mhale/smtpd

An SMTP server package written in Go, in the style of the built-in HTTP server.

wneessen/go-mail

📧 Easy to use, yet comprehensive library for sending mails with Go

scorredoira/email

An easy way to send emails with attachments in Go

Embeddable Scripting Languages

923

Embeddable scripting languages and virtual machines

robertkrimen/otto

A JavaScript interpreter in Go (golang)

yuin/gopher-lua

GopherLua: VM and compiler for Lua in Go

bitfield/script

Making it easy to write shell-like scripts in Go

hashicorp/hil

HIL is a small embedded language for string interpolations.

layeh.com/gopher-luar

simplifies data passing to and from gopher-lua

thomaspoignant/go-feature-flag

GO Feature Flag is a simple, complete and lightweight self-hosted feature flag solution 100% Open Source. 🎛️

milochristiansen/lua

A Lua 5.3 VM and compiler written in Go.

ichiban/prolog

The only reasonable scripting engine for Go.

sbinet/go-python

naive go bindings to the CPython2 C-API

hashicorp/go-bexpr

Generic boolean expression evaluation in Go

Encoding and Decoding

1.9k

mitchellh/mapstructure

Go library for decoding generic map values into native Go structures and vice versa.

buger/jsonparser

One of the fastest alternative JSON parser for Go that does not require schema

json-iterator/go

A high-performance 100% compatible drop-in replacement of "encoding/json"

mailru/easyjson

Fast JSON serializer for golang.

fatih/structs

Utilities for Go structs

valyala/fastjson

Fast JSON parser and validator for Go. No custom structs, no code generation, no reflection

gocarina/gocsv

The GoCSV package aims to provide easy CSV serialization and deserialization to the golang programming language

francoispqt/gojay

high performance JSON encoder/decoder with stream API for Golang

goccy/go-yaml

YAML support for the Go language

ghodss/yaml

A better way to marshal and unmarshal YAML in Golang

Error Handling

989

hashicorp/go-multierror

A Go (golang) package for representing a list of errors as a single error.

pkg/errors

Simple error handling primitives

cockroachdb/errors

Go error library with error portability over the network

go-errors/errors

errors with stacktraces for go

juju/errors

Common juju errors and functions to annotate errors. Based on juju/errgo

go.uber.org/multierr

Combine one or more Go errors together

joomcode/errorx

A comprehensive error handling library for Go

rotisserie/eris

Error handling library with readable stack traces and flexible formatting support 🎆

ztrue/tracerr

Golang errors with stack trace and source fragments.

hashicorp/errwrap

Errwrap is a Go (golang) library for wrapping and querying errors.

File Handling

1.3k

fsnotify/fsnotify

Cross-platform filesystem notifications for Go.

spf13/afero

A FileSystem Abstraction System for Go

gabriel-vasile/mimetype

A fast Golang library for media type and file extension detection, based on magic numbers

h2non/filetype

Fast, dependency-free Go package to infer binary file types based on the magic numbers header signature

rjeczalik/notify

File system event notification library on steroids.

howeyc/fsnotify

File system notification for Go

radovskyb/watcher

watcher is a Go package for watching for files or directory changes without using filesystem events.

otiai10/copy

Go copy directory recursively

karrick/godirwalk

Fast directory traversal for Golang

blang/vfs

Virtual filesystem library written in golang

Finance

1.5k

shopspring/decimal

Arbitrary-precision fixed-point decimal numbers in Go

cockroachdb/apd

Arbitrary-precision decimals for Go

ericlagergren/decimal

A high-performance, arbitrary-precision, floating-point decimal library.

leekchan/accounting

money and currency formatting for golang

moov-io/ach

ACH implements a reader, writer, and validator for Automated Clearing House (ACH) files. The HTTP server is available in a Docker image and the Go package is available.

piquette/finance-go

:bar_chart: Financial markets data library implemented in go.

markcheno/go-talib

A pure Go port of TA-Lib (http://ta-lib.org)

sdcoffey/techan

Technical Analysis Library for Golang

coinrust/crex

A Golang cryptocurrency trading API & Library. Support Binance, BitMEX, Deribit, Bybit, Huobi DM, OKEX Futures and more.

beldur/kraken-go-api-client

Example client library in GO for use with the kraken.com API.

Game Development

Game development tools, simulators and games

hajimehoshi/ebiten

Ebitengine - A dead simple 2D game engine for Go

faiface/pixel

A hand-crafted 2D game library in Go

markus-wa/demoinfocs-golang

A Counter-Strike 2 Demo Parser for Go (demoinfo)

notnil/chess

chess package for go

lonng/nano

Lightweight, facility, high performance golang based game server framework

xiaonanln/goworld

Scalable Distributed Game Server Engine with Hot Swapping in Golang

cherry-game/cherry

Actor model game server framework based on golang

lafriks/go-tiled

Go library to parse Tiled map editor file format (TMX) and render map to image

fogleman/rush

Rush Hour puzzle goodies!

gorcon/rcon

Source RCON Protocol implementation in Go.

Geography

577

twpayne/go-geom

Package geom implements efficient geometry types for geospatial applications.

paulmach/orb

Types and utilities for working with 2d geometry in Golang

go-spatial/tegola

Tegola is a Mapbox Vector Tile server written in Go

kellydunn/golang-geo

Geographical calculations in Go.

mmcloughlin/geohash

Golang geohash library

codingsince1985/geo-golang

Go library to access geocoding and reverse geocoding APIs

paulmach/go.geojson

Encoding and decoding GeoJSON <-> Go

dhconnelly/rtreego

an R-Tree library for Go

paulmach/osm

General purpose library for reading, writing and working with OpenStreetMap data

paulmach/go.geo

Geometry/geography library in Go, DEPRECATED, use ->

GUI

446

fyne.io/fyne/v2

Cross platform GUI toolkit in Go inspired by Material Design

lxn/walk

A Windows GUI toolkit for the Go Programming Language

getlantern/systray

a cross platfrom Go library to place an icon and menu in the notification area

sciter-sdk/go-sciter

Golang bindings of Sciter: the Embeddable HTML/CSS/script engine for modern UI development

asticode/go-astilectron

Build cross platform GUI apps with GO and HTML/JS/CSS (powered by Electron)

adrg/xdg

Go implementation of the XDG Base Directory Specification and XDG user directories

andlabs/ui

Platform-native GUI library for Go.

deanishe/awgo

Go library for Alfred 3 + 4 workflows

sqweek/dialog

Simple cross-platform dialog API for go-lang

ncruces/zenity

Zenity dialogs for Golang, Windows, macOS

Hardware

1.8k

Interfacing with hardware and other embedded development

hybridgroup/gobot

Golang framework for robotics, drones, and the Internet of Things (IoT)

go.bug.st/serial

A cross-platform serial library for go-lang.

goburrow/modbus

Fault-tolerant implementation of modbus protocol in Go (golang)

kidoman/embd

Embedded Programming Framework in Go

paypal/gatt

Gatt is a Go package for building Bluetooth Low Energy peripherals

tinygo.org/x/bluetooth

Cross-platform Bluetooth API for Go and TinyGo. Supports Linux, macOS, Windows, and bare metal using Nordic SoftDevice or HCI

karalabe/hid

Gopher Interface Devices (USB HID)

edgexfoundry/edgex-go

EdgeX Golang Services Monorepo | Owner: Core/Support WG

gokrazy/gokrazy

turn your Go program(s) into an appliance running on the Raspberry Pi 3, Pi 4, Pi 5, Pi Zero 2 W, or PCs (x86_64 or ARM64)!

brutella/hc

hc is a lightweight framework to develop HomeKit accessories in Go.

HTTP clients

1.8k

chromedp/chromedp

A faster, simpler way to drive browsers supporting the Chrome DevTools Protocol.

gocolly/colly

Elegant Scraper and Crawler Framework for Golang

elazarl/goproxy

An HTTP proxy library for Go

hashicorp/go-retryablehttp

Retryable HTTP client in Go

parnurzeal/gorequest

GoRequest -- Simplified HTTP client ( inspired by nodejs SuperAgent )

hashicorp/go-getter

Package for downloading things from a string URL using a variety of protocols.

dghubble/sling

A Go HTTP client library for creating and sending API requests

avast/retry-go

Simple golang library for retry mechanism

tebeka/selenium

Selenium/Webdriver client for Go

levigross/grequests

A Go "clone" of the great and famous Requests library

HTTP framework

gin-gonic/gin

Gin is a HTTP web framework written in Go (Golang). It features a Martini-like API with much better performance -- up to 40 times faster. If you need smashing performance, get yourself some Gin.

valyala/fasthttp

Fast HTTP package for Go. Tuned for high performance. Zero memory allocations in hot paths. Up to 10x faster than net/http

labstack/echo

High performance, minimalist Go web framework

micro/go-micro

A Go microservices framework

goadesign/goa

Design-first Go framework that generates API code, documentation, and clients. Define once in an elegant DSL, deploy as HTTP and gRPC services with zero drift between code and docs.

julienschmidt/httprouter

A high performance HTTP request router that scales well

gorilla/mux

Package gorilla/mux is a powerful HTTP router and URL matcher for building Go web servers with 🦍

kataras/iris

The fastest HTTP/2 Go Web Framework. New, modern and easy to learn. Fast development with Code you control. Unbeatable cost-performance ratio :rocket:

revel/revel

A high productivity, full-stack web framework for the Go language.

gobuffalo/buffalo

Rapid Web Development w/ Go

HTTP middleware

730

swaggo/swag

Automatically generate RESTful API documentation with Swagger 2.0 for Go.

grpc-ecosystem/go-grpc-middleware

Golang gRPC Middlewares: interceptor chaining, auth, logging, retries and more.

urfave/negroni

Idiomatic HTTP Middleware for Golang

gin-contrib/cors

Official CORS gin's middleware

swaggo/gin-swagger

gin middleware to automatically generate RESTful API documentation with Swagger 2.0.

rs/cors

Go net/http configurable handler to handle CORS requests

justinas/nosurf

CSRF protection middleware for Go.

justinas/alice

Painless middleware chaining for Go

gorilla/handlers

Package gorilla/handlers is a collection of useful middleware for Go HTTP services & web applications 🛃

gorilla/csrf

Package gorilla/csrf provides Cross Site Request Forgery (CSRF) prevention middleware for Go web applications & services 🔒

Identifiers

481

google/uuid

Go package for UUIDs based on RFC 4122 and DCE 1.1: Authentication and Security Services.

rs/xid

xid is a globally unique id generator thought for the web

segmentio/ksuid

K-Sortable Globally Unique IDs

bwmarrin/snowflake

A simple to use Go (golang) package to generate or parse Twitter snowflake IDs

satori/go.uuid

UUID package for Go

sony/sonyflake

A distributed unique ID generator inspired by Twitter's Snowflake

teris-io/shortid

Super short, fully unique, non-sequential and URL friendly Ids

lithammer/shortuuid

A generator library for concise, unambiguous and URL-safe UUIDs

denisbrodbeck/machineid

Get the unique machine id of any host (without admin privileges)

matoous/go-nanoid

Golang random IDs generator.

Kubernetes

4.8k

sigs.k8s.io/controller-runtime

Repo for the controller-runtime subproject of kubebuilder (sig-apimachinery)

fission/fission

Fast and Simple Serverless Functions for Kubernetes

k8s.io/kops

Kubernetes Operations (kOps) - Production Grade k8s Installation, Upgrades and Management

k8s.io/code-generator

Generators for kube-like API types

ericchiang/k8s

A simple Kubernetes Go client

k8s.io/cloud-provider

cloud-provider defines the shared interfaces which Kubernetes cloud providers implement. These interfaces allow various controllers to integrate with any cloud provider in a pluggable fashion. Please file any issues against the main Kubernetes repo.

rook/operator-kit

A library for creating a Kubernetes Operator

atlassian/smith

Smith is a Kubernetes workflow engine / resource manager

topolvm/topolvm

Capacity-aware CSI plugin for Kubernetes

openshift/api

Canonical location of the OpenShift API definition.

Load Testing

357

myzhan/boomer

A better load generator for locust, written in golang.

pinterest/bender

An easy-to-use library for creating load testing applications

mrichman/hargo

Hargo is a Go library and command line utility that parses HAR files, can convert to curl format, and serve as a load test driver.

lesovsky/noisia

Harmful workload generator for PostgreSQL

emicklei/hazana

package to build load tests for services (http, gRPC, tcp) by implementing an Attacker

tylertreat/bench

A generic latency benchmarking library.

tsenart/vegeta

HTTP load testing tool and library. It's over 9000!

httprunner/hrp

One-stop solution for HTTP(S) testing, covering API testing, load testing and digital experience monitoring (DEM).

square/finch

MySQL Benchmarking: Declarative, Distributed, and Amazing

rakyll/hey

HTTP load generator, ApacheBench (ab) replacement

Logging

3.8k

sirupsen/logrus

Structured, pluggable logging for Go.

go.uber.org/zap

Blazing fast, structured, leveled logging in Go.

uber-go/zap

Blazing fast, structured, leveled logging in Go.

rs/zerolog

Zero Allocation JSON Logger

golang/glog

Leveled execution logs for Go

natefinch/lumberjack

lumberjack is a log rolling package for Go

go-logr/logr

A simple logging interface for Go

apex/log

Structured logging package for Go.

op/go-logging

Golang logging library

cihub/seelog

Seelog is a native Go logging library that provides flexible asynchronous dispatching, filtering, and formatting.

Machine Learning

504

And science in general: math, statistics, etc.

montanaflynn/stats

A well tested and comprehensive Golang statistics library package with no dependencies.

gorgonia.org/gorgonia

Gorgonia is a library that helps facilitate machine learning in Go.

grailbio/reflow

A language and runtime for distributed, incremental data processing in the cloud

jbrukh/bayesian

Naive Bayesian Classification for Golang.

gonum/matrix

Matrix packages for the Go language [DEPRECATED]

scipipe/scipipe

Robust, flexible and resource-efficient pipelines using Go and the commandline

sajari/regression

Multivariable regression library in Go

gonum/stat

Statistics package for Go [DEPRECATED]

sugarme/gotch

Go binding for Pytorch C++ API (libtorch)

patrikeh/go-deep

Artificial Neural Network

Messaging

2.9k

nats-io/nats.go

Golang client for NATS, the cloud native messaging system.

nsqio/go-nsq

The official Go package for NSQ

streadway/amqp

Go client for AMQP 0.9.1

pebbe/zmq4

A Go interface to ZeroMQ version 4

gen2brain/beeep

Go cross-platform library for sending desktop notifications, alerts and beeps

sideshow/apns2

⚡ HTTP/2 Apple Push Notification Service (APNs) push provider for Go — Send push notifications to iOS, tvOS, Safari and OSX apps, using the APNs HTTP/2 protocol.

tidwall/redcon

Redis compatible server framework for Go

centrifugal/centrifuge

Real-time messaging library for Go. The simplest way to add feature-rich and scalable WebSocket support to your application. The core of Centrifugo server.

bsm/sarama-cluster

Cluster extensions for Sarama, the Go client library for Apache Kafka 0.9 [DEPRECATED]

lovoo/goka

Goka is a compact yet powerful distributed stream processing library for Apache Kafka written in Go.

Network Programming

7.4k

miekg/dns

DNS library in Go

libp2p/go-libp2p

libp2p implementation in Go

google/gopacket

Provides packet processing capabilities for Go

vishvananda/netlink

Simple netlink library for go.

gorilla/websocket

Package gorilla/websocket is a fast, well-tested and widely used WebSocket implementation for Go.

fullstorydev/grpcurl

Like cURL, but for gRPC: Command-line tool for interacting with gRPC servers

v2ray.com/core

A platform for building proxies to bypass network restrictions.

hashicorp/yamux

Golang connection multiplexing library

pkg/sftp

SFTP support for the go.crypto/ssh package

anacrolix/torrent

Full-featured BitTorrent client package and utilities

Observability

influxdata/telegraf

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.

rcrowley/go-metrics

Go port of Coda Hale's Metrics library

opentracing/opentracing-go

OpenTracing API for Go. 🛑 This library is DEPRECATED! https://github.com/opentracing/specification/issues/163

pkg/profile

Simple profiling for Go

grpc-ecosystem/go-grpc-prometheus

Prometheus monitoring for your gRPC Go servers.

openzipkin/zipkin-go

Zipkin distributed tracing library for go.

gocraft/health

Instrument your web apps with logging and metrics

openzipkin-contrib/zipkin-go-opentracing

OpenTracing Bridge for Zipkin Go

felixge/fgprof

🚀 fgprof is a sampling Go profiler that allows you to analyze On-CPU as well as Off-CPU (e.g. I/O) time together.

go.opentelemetry.io/contrib

Collection of extensions for OpenTelemetry-Go.

Security

1.6k

caddyserver/caddy

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

unrolled/secure

HTTP middleware for Go that facilitates some quick security wins.

zalando/go-keyring

Cross-platform keyring interface for Go

caddyserver/certmagic

Automatic HTTPS for any Go program: fully-managed TLS certificate issuance and renewal

howeyc/gopass

getpasswd for Go

nbutton23/zxcvbn-go

zxcvbn password complexity algorithm in golang

gin-gonic/autotls

Support Let's Encrypt for a Go server application.

rsc/letsencrypt

Manage TLS certificates automatically via LetsEncrypt.org

muesli/crunchy

Finds common flaws in passwords. Like cracklib, but written in Go.

johanbrandhorst/certify

Automatic client and server certificate distribution and maintenance

System Programming

778

kardianos/service

Run go programs as a service on major platforms.

cilium/ebpf

ebpf-go is a pure-Go library to read, modify and load eBPF programs and attach them to various hooks in the Linux kernel.

sevlyar/go-daemon

A library for writing system daemons in golang.

go-ole/go-ole

win32 ole implementation for golang

mitchellh/go-ps

Find, list, and inspect processes from Go (golang).

jaypipes/ghw

Go HardWare discovery/inspection library

prometheus/procfs

procfs provides functions to retrieve system, kernel and process metrics from the pseudo-filesystem proc.

klauspost/cpuid

CPU feature identification for Go

edsrzf/mmap-go

A portable mmap package for Go

mdlayher/netlink

Package netlink provides low-level access to Linux netlink sockets (AF_NETLINK). MIT Licensed.

Template Engines

1.3k

valyala/quicktemplate

Fast, powerful, yet easy to use template engine for Go. Optimized for speed, zero memory allocations in hot paths. Up to 20x faster than html/template

flosch/pongo2

Django-syntax like template-engine for Go

unrolled/render

Go package for easily rendering JSON, XML, binary data, and HTML templates responses.

valyala/fasttemplate

Simple and fast template engine for Go

gobuffalo/plush

The powerful template system that Go needs

aymerick/raymond

Handlebars for golang

yosssi/ace

HTML template engine for Go

eknkc/amber

Amber is an elegant templating engine for Go Programming Language, inspired from HAML and Jade

maragu.dev/gomponents

HTML components in pure Go.

cbroglie/mustache

The mustache template language in Go

Testing

2.7k

onsi/gomega

Ginkgo's Preferred Matcher Library

ory/dockertest

Write better integration tests! Dockertest helps you boot up ephermal docker images for your Go tests with minimal work.

google/gofuzz

Fuzz testing for go.

sanity-io/litter

Litter is a pretty printer library for Go data structures to aid in debugging and testing.

brianvoe/gofakeit

Random fake data generator written in go

jarcoal/httpmock

HTTP mocking for Golang

pingcap/failpoint

An implementation of failpoints for Golang.

cucumber/godog

Cucumber for golang

jonboulle/clockwork

a fake clock for golang

benbjohnson/clock

Clock is a small library for mocking time in Go.

Text Processing

1.8k

Processing and formatting text

dustin/go-humanize

Go Humans! (formatters for units to human friendly sizes)

gosimple/slug

URL-friendly slugify with multiple languages support.

iancoleman/strcase

A golang package for converting to snake_case or CamelCase

sahilm/fuzzy

Go library that provides fuzzy string matching optimized for filenames and code symbols in the style of Sublime Text, VSCode, IntelliJ IDEA et al.

gobwas/glob

Go glob

huandu/xstrings

Implements string functions widely used in other languages but absent in Go.

dlclark/regexp2

A full-featured regex engine in pure Go based on the .NET engine

mvdan/xurls

Extract urls from text

go-ego/gse

Go efficient multilingual NLP and text segmentation; support English, Chinese, Japanese and others.

mvdan.cc/xurls/v2

Extract urls from text

TUI

897

TUI and advanced CLI UI

olekukonko/tablewriter

ASCII table in golang

fatih/color

Color package for Go (golang)

rivo/tview

Terminal UI library with rich, interactive widgets — written in Golang

jroimartin/gocui

Minimalist Go package aimed at creating Console User Interfaces.

cheggaaa/pb

Console progress bar for Golang

nsf/termbox-go

Pure Go termbox implementation

briandowns/spinner

Go (golang) package with 90 configurable terminal spinner/progress indicators.

schollz/progressbar

A really basic thread-safe progress bar for Golang applications

gookit/color

🎨 Terminal color rendering library, support 8/16 colors, 256 colors, RGB color rendering output, support Print/Sprintf methods, compatible with Windows. GO CLI 控制台颜色渲染工具库，支持16色，256色，RGB色彩渲染输出，使用类似于 Print/Sprintf，兼容并支持 Windows 环境的色彩渲染

gosuri/uiprogress

A go library to render progress bars in terminal applications

Uncategorized

73k

hashicorp/go-plugin

Golang plugin system over RPC.

jinzhu/copier

Copier for golang, copy value from struct to struct and more

graphql-go/graphql

An implementation of GraphQL for Go / Golang

spf13/cast

safe and easy casting from one type to another in Go

blevesearch/bleve

A modern text/numeric/geo-spatial/vector indexing library for go

dop251/goja

ECMAScript/JavaScript engine in pure Go

microcosm-cc/bluemonday

bluemonday: a fast golang HTML sanitizer (inspired by the OWASP Java HTML Sanitizer) to scrub user generated content of XSS

thoas/go-funk

A modern Go utility library which provides helpers (map, find, contains, filter, ...)

hashicorp/memberlist

Golang package for gossip based membership and failure detection

bitly/go-simplejson

a Go package to interact with arbitrary JSON

Validation

479

go-playground/validator

:100:Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving

asaskevich/govalidator

[Go] Package of validators and sanitizers for strings, numerics, slices and structs

xeipuuv/gojsonschema

An implementation of JSON Schema, draft v4 v6 & v7 - Go language

gookit/validate

⚔ Go package for data validation and filtering. support Map, Struct, Form data. Go通用的数据验证与过滤库，使用简单，内置大部分常用验证、过滤器，支持自定义验证器、自定义消息、字段翻译。

badoux/checkmail

Golang package for email validation

thedevsaddam/govalidator

Validate Golang request data with simple rules. Highly inspired by Laravel's request validation.

qri-io/jsonschema

golang implementation of https://json-schema.org drafts 7 & 2019-09

go-openapi/validate

openapi toolkit validation helpers

kat-co/vala

A simple, extensible, library to make argument validation in Go palatable.

martini-contrib/binding

Martini handler for mapping and validating a raw request into a structure.

Version Control

Git, Mercurial and so on

gogs/git-module

Package git-module is a Go module for Git access through shell commands

src-d/gitbase

SQL interface to git repositories, written in Go. https://docs.sourced.tech/gitbase

naggie/dstask

Git powered terminal-based todo/note manager -- markdown note page per task. Single binary!

andygrunwald/go-gerrit

Go client/library for Gerrit Code Review

git-duet/git-duet

Support for pairing with git

sosedoff/gitkit

Git toolkit for Go: Smart HTTP server, SSH server, hook receiver

tcnksm/go-gitconfig

Use gitconfig values in Golang.

waigani/diffparser

A Golang package for parsing git diffs

whilp/git-urls

git-urls parses git URLs

benfred/github-analysis

Trending Programming Languages ranked by GitHub Users

Video

835

Video and subtitles

grafov/m3u8

Parser and generator of M3U8-playlists for Apple HLS. Library for Go language. :cinema:

asticode/go-astits

Demux and mux MPEG Transport Streams (.ts) natively in GO

u2takey/ffmpeg-go

golang binding for ffmpeg

rylio/ytdl

YouTube download library and CLI written in Go

asticode/go-astisub

Manipulate subtitles in GO (.srt, .ssa/.ass, .stl, .ttml, .vtt (webvtt), teletext, etc.)

blackjack/webcam

Golang webcam library for Linux

pion/mediadevices

Go implementation of the MediaDevices API.

abema/go-mp4

Go library for reading and writing MP4 file

3d0c/gmf

Go Media Framework

cyruzin/golang-tmdb

This is a Golang wrapper for working with TMDb API. It aims to support version 3.

WebAssembly

281

rogchap.com/v8go

Execute JavaScript from Go

vugu/vugu

Vugu: A modern UI library for Go+WebAssembly (experimental)

hexops/vecty

Vecty lets you build responsive and dynamic web frontends in Go using WebAssembly, competing with modern web frameworks like React & VueJS.

tetratelabs/wazero

wazero: the zero dependency WebAssembly runtime for Go developers

honnef.co/go/js/dom

bytecodealliance/wasmtime-go

Go WebAssembly runtime powered by Wasmtime

norunners/vue

The progressive framework for WebAssembly applications.

gopherjs/websocket

websocket provides high- and low-level bindings for the browser's WebSocket API.

wapc/wapc-go

Golang-based WebAssembly Host Runtime for waPC-compliant modules

syumai/workers

Go package to run an HTTP server on Cloudflare Workers.