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

Guard is a command line tool to easily handle events on file system modifications.

Scala source code formatter

A social networking engine in PHP/MySQL

Keep your dotfiles fresh.

Distributing instrumentation tests to all your Androids.

Unfancy JavaScript

Solr-powered search for Ruby objects

Tiny Scala high-performance, async web framework, inspired by Sinatra

RubyMotion iOS Cookbook

Attributes on Steroids for Plain Old Ruby Objects

A fist full of code metrics

Feature Flags for the Java platform

A scalable, event-driven JavaScript architecture for developing component-based applications.

Official vibe.d development

A LOLCODE interpreter written in C.

A set of Ansible playbooks to build and maintain your own private cloud: email, calendar, contacts, file sync, IRC bouncer, VPN, and more.

A sophisticated build management system for web apps (formerly ng-boilerplate). Created by @joshdmiller

Launch terminals from the current file or the root project folder

Affero licensed Community Currency web software derived from Insoshi

Web interface for MetaCPAN

A helper for organizing Django project settings by relying on well established programming patterns.

Debugging in Ruby 2

Easy way to add GoogleMaps to Flask applications. maintainer: @getcake

The extensible Erlang SMTP client and server library.

Write RSpec examples and generate coverage reports for Chef recipes!

Node.js debugger based on Blink Developer Tools

Exercism exercises in Haskell.

A D3-based reusable chart library

wallabag is a self hostable application for saving web pages: Save and classify articles. Read them later. Freely.

Android application to read your articles saved in your wallabag. You can also easily add new articles.

Mozilla extension: Minimize windows into the system tray (Firefox, Thunderbird, Seamonkey, Instantbird)

Breeze is a numerical processing library for Scala.

Yeoman generator for an Angular app with an Express server

Build highly concurrent, distributed, and resilient message-driven applications on the JVM

The DokuWiki Open Source Wiki Engine

⛔️ [DEPRECATED] A reusable iOS rich text editor component.

A Golang plugin collection for SublimeText 3, providing code completion and other IDE-like features.

Digital Forensics project

See:

Web framework that allows performing periodic syncs of data sources and performing analysis on the identified results

Collaborative Programmable Music

a toolkit for building realtime APIs

One framework for creating powerful cross-platform games.

Mopidy is an extensible music server written in Python

iOS Support Framework

I Tawt I Taw A Purdy Desktop

Realm is a mobile database: a replacement for Core Data & SQLite

Form objects decoupled from models.

A High-Level Architecture for Ruby.

MVC Components for Rails.