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

🚀 The easiest way to automate building and releasing your iOS and Android apps

Vagrant is a tool for building and distributing development environments.

Vagrant is a tool for building and distributing development environments.

Create agents that monitor and act on your behalf. Your agents are standing by!

Create agents that monitor and act on your behalf. Your agents are standing by!

Connect suppliers, distributors and consumers to trade local produce.

The Rails application that powers OpenStreetMap

:gem: A fast, open source text processor and publishing toolchain, written in Ruby, for converting AsciiDoc content to HTML 5, DocBook 5, and other formats.

Metasploit Framework

a collaborative knowledge-exchange platform in Rails; we welcome first-time contributors! :balloon:

Your self-hosted, globally interconnected microblogging community

The open LMS by Instructure, Inc.

A web application to manage complex group hierarchies with members, events and a lot more.

A privacy-aware, distributed, open source social network.

Q&A-based community knowledge-sharing software

A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.

Chef Infra, a powerful automation platform that transforms infrastructure into code automating how infrastructure is configured, deployed and managed across any environment, at any scale

The participatory democracy framework. A generator and multiple gems made with Ruby on Rails.

Wiki Education Foundation's Wikipedia course dashboard system

Informative site with EoL dates of everything

ManageIQ Open-Source Management Platform

PDF generator (from HTML) plugin for Ruby on Rails

The Ruby Programming Language

Build Ruby on Rails apps 10x faster

Authorization Gem for Ruby on Rails.

An opinionated framework for creating REST-like APIs in Ruby.

An opinionated framework for creating REST-like APIs in Ruby.

Octopress is an obsessively designed framework for Jekyll blogging. It’s easy to configure and easy to deploy. Sweet huh?

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

A learning management system (LMS) that lets you run an asynchronous online school, where learning is achieved through focused tasks, directed feedback, an iterative workflow, and community interaction.

Open Source Event Manager. An event management tool tailored to Free and Open Source Software conferences.

Language Savant. If your repository's language is being reported incorrectly, send us a pull request!

GitHub Classroom automates repository creation and access control, making it easy for teachers to distribute starter code and collect assignments on GitHub.

Consul - Open Government and E-Participation Web Software

A tagging plugin for Rails applications that allows for custom tagging along dynamic contexts.

Computing-focused community centered around link aggregation and discussion

RailsAdmin is a Rails engine that provides an easy-to-use interface for managing your data

API Documentation Browser

Audited (formerly acts_as_audited) is an ORM extension that logs all changes to your Rails models.

EventMachine: fast, simple event-processing library for Ruby programs

Classic UI of ManageIQ

Library packaging and distribution for Ruby.

Ruby tool for importing existing svn projects into git.