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

JRuby, an implementation of Ruby on the JVM

Vagrant is a tool for building and distributing development environments.

Vagrant is a tool for building and distributing development environments.

: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.

The Cocoa Dependency Manager.

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!

Where programmers share ideas and help each other grow

For empowering community 🌱

The Rails application that powers OpenStreetMap

Connect suppliers, distributors and consumers to trade local produce.

The open LMS by Instructure, Inc.

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

Metasploit Framework

The Ruby Programming Language

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

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

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

A Ruby static code analyzer and formatter, based on the community Ruby style guide.

A Ruby static code analyzer and formatter, based on the community Ruby style guide.

A Ruby static code analyzer, based on the community Ruby style guide.

Quickly ramp up in new programming languages.

Quickly ramp up in new programming languages.

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

Wiki Education Foundation's Wikipedia course dashboard system

Q&A-based community knowledge-sharing software

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

PDF generator (from HTML) plugin for Ruby on Rails

ManageIQ Open-Source Management Platform

Spree is a complete, modular & API-driven open source ecommerce solution for Ruby on Rails

Library packaging and distribution for Ruby.

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

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

Build Ruby on Rails apps 10x faster

Authorization Gem for Ruby on Rails.

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

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

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

Consul - Open Government and E-Participation Web Software

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

Classic UI of ManageIQ

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.

Flexible authentication solution for Rails with Warden.