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

The Ruby Programming Language

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!

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

The Rails application that powers OpenStreetMap

Connect suppliers, distributors and consumers to trade local produce.

: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:

JRuby, an implementation of Ruby on the JVM

The open LMS by Instructure, Inc.

Informative site with EoL dates of everything

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

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

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

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

Q&A-based community knowledge-sharing software

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

Wiki Education Foundation's Wikipedia course dashboard system

PDF generator (from HTML) plugin for Ruby on Rails

A Ruby language server.

A platform for community discussion. Free, open, simple.

:globe_with_meridians: Jekyll is a blog-aware static site generator in Ruby

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

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

Flexible authentication solution for Rails with Warden.

Flexible authentication solution for Rails with Warden.

Authorization Gem for Ruby on Rails.

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

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

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

An opinionated framework for creating REST-like APIs in 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.

Classic UI of ManageIQ

A Really Ruby Mail Library

Computing-focused community centered around link aggregation and discussion

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

Open data project for small-scale food growers

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

Consul - Open Government and E-Participation Web Software

Ruby tool for importing existing svn projects into git.