Help out your favorite open source projects and become a better developer while doing it.

⚙️ WP-CLI framework

A RubyOnRails platform for rapid web application development. Containing a rich and flexible dashboard interface

A generic system to build and distribute packages from sources in an automatic, consistent and reproducible way. Release your software for a wide range of operating systems and hardware architectures.

Realm is a mobile database: a replacement for SQLite & ORMs

Open Source LaTeX editor that supports remote collaboration

AIMSICD • Fight IMSI-Catcher, StingRay and silent SMS!

The core API of the NOVA voxel game modding system

Browser compilation library – an asset pipeline for applications that run in the browser

View components for Ruby and Rails.

Decorators on top of your ORM layer.

Property-based testing, JUnit-style

The Ember.js command line utility.

Predictable state container for JavaScript apps

Adds file type icons to Vim plugins such as: NERDTree, vim-airline, CtrlP, unite, Denite, lightline, vim-startify and many more

Vundle, the plug-in manager for Vim

The previous version of Pyston, a faster implementation of the Python programming language. Please use this link for the new repository:

A Ruby framework for building telephony applications

XMPP/Jabber Library and DSL for Ruby written on EventMachine and Nokogiri.

A highly scalable real-time graphing system

Distributed Task Queue (development branch)

An active model wrapper for the Neo4j Graph Database for Ruby.

A simple unified API that can access both the server and embedded Neo4j database. Used by the neo4j gem

Automated code review for GitHub pull requests.

Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

faster JSON serialization for Go

An open-source graph database

Netflix's Hystrix latency and fault tolerance library, for Go

The Prometheus monitoring system and time series database.

The authorization Gem for Ruby on Rails.

A collection of Ruby methods to deal with statutory and other holidays. You deserve a holiday!

Role management library with resource scoping

A keyboard-driven, vim-like browser based on PyQt5.

Simple HTTP and REST client for Ruby, inspired by microframework syntax for specifying actions.

Graphs for Everyone

A Terminal Client for MySQL with AutoCompletion and Syntax Highlighting.

Datadog Agent

A Rails engine that helps you put together a super-flexible admin dashboard.

OAuth 2.0 authorization server toolkit for Node.js.

The Crystal Programming Language

An HTTP library for Rust

Copy/paste detector for programming source code.

OsmAnd

Hashie is a collection of classes and mixins that make Ruby hashes more powerful.

Jbuilder: generate JSON objects with a Builder-style DSL

Internationalization (i18n) library for Ruby

Device OS (Firmware) for Particle Devices

An Extensible, Concurrent Web Framework for Rust

Format Rust code

Powerful and flexible web-based application builder