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:balloon: A lightweight struct validator for Go

Service oriented IRC bot using Redis and JSON for messaging.

Calculate the sunrise and sunset times for a given location

Fast resizable semaphore implementation based on CAS (faster than channel-based semaphore implementations)

A easy ORM for mysql

Zero-code log sanitization sidecar for Kubernetes that redacts PII from logs

Build your own Game-Engine based on the Entity Component System concept in Golang

collects and displays system metrics and optionally relays to Graphite and/or InfluxDB

Fast and safe way to read/update your existing Microsoft Excel files in Go programs

Closure templates (aka Soy templates) for Go, following the [official spec](https://developers.google.com/closure/templates/)

Evaluate arbitrary expressions in Go

Dev-friendly CLI apps: sets up flags, defaults, and usage based on struct fields and tags

simplesfeatures is a 2D geometry library that provides Go types that model geometries, as well as algorithms that operate on them

Fast natural language detection package

Approximate histograms for data streams.

Copy files and artifacts via SSH using a binary, docker or Drone CI

Go cross-platform OpenGL bindings (OS X, Linux, Windows, browsers, iOS, Android)

Type-safe stream processing library inspired by the Java Streams API

Pure Go bsdiff and bspatch libraries and CLI tools

A linter that checks usage of [github.com/stretchr/testify](https://github.com/stretchr/testify)

Monitors Go MemStats + System stats such as Memory, Swap and CPU and sends via UDP anywhere you want for logging etc..

Lightweight tool designed to distribute commands over ssh with ease

High-performance rate limiting library with token bucket and AIMD strategies

Client library for SharePoint

Cli tool to remotely execute commands on Windows machines

Self-hosted CI/CD inspired by Concourse. Single binary, any database, any queue. HCL pipelines, pluggable resource types and runners

Efficiently parse ISO8601 date-times without regex

Lightweight configurable multithreaded fake SMTP server. Mimic any SMTP behaviour for your test environment

GoLang library for working with PHP session format and PHP Serialize/Unserialize functions

Go Sparse matrix formats for linear algebra supporting scientific and machine learning applications, compatible with gonum matrix libraries

Go client for wit.ai HTTP API

Golang set data structure with bonus bit-twiddling functions

Utility for generating random data based on an input template

File watching and configuration management with MPSC ring buffer, adaptive batching strategies, and universal format parsing (JSON, YAML, TOML, INI, HCL, Properties)

Golang wrapper for The Movie Database API v3

Struct based flags generator for flag, urfave/cli, pflag, cobra, kingpin, and other libraries

Learn everything about Go in 7 days (from a Nodejs developer)

Rolling logger with size-based, time-based, and scheduled clock-based rotation, supporting compression and cleanup

Package bart provides a Balanced-Routing-Table (BART) for very fast IP to CIDR lookups and more

Process manager for Golang applications with an HTTP API

GPU-accelerated 2D rendering with Canvas-like API, zero CGO (part of [GoGPU](https://github.com/gogpu) pure Go graphics ecosystem)

Go library for writing and generating stream workers with built in metrics and traceability

Outboxer is a go library that implements the outbox pattern

Go bindings for Direct3D9

Emojis for Go

Eventually consistent distributed in-memory cache Go library

Gopher amigurumi toy pattern

tcpack is an application protocol based on TCP to Pack and Unpack bytes stream in go program

Changelog generator using a git repository with multiple configuration possibilities

A database access framework based on declarative query model