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Doorkeeper is an OAuth 2 provider for Rails and Grape

Classroom for GitHub automates repository creation and access control, making it easy for teachers to distribute starter code and collect assignments on GitHub. https://classroom.github.com

A simple framework for building APIs with Grape

:beer: The missing package manager for OS X. http://brew.sh

ActiveModel::Serializer implementation and Rails hooks

:package: Bundler for non-Ruby dependencies from Homebrew

A streamlined development and deployment workflow for Chef platform.

The rails application powering http://www.openstreetmap.org/

simple process monitoring tool

Vagrant is a tool for building and distributing development environments. https://www.vagrantup.com

Hashie is a collection of classes and mixins that make hashes more powerful. http://rdoc.info/projects/intridea/hashie

Ruby toolkit for the GitHub API http://octokit.github.io/octokit.rb/

Rails authentication with email & password. https://thoughtbot.com/open-source

34 fog/fog Ruby

The Ruby cloud services library. http://fog.io

Actor-based concurrent object framework for Ruby https://celluloid.io

A Rake-based helper for building and distributing Rust-based Ruby extensions http://www.rubydoc.info/github/malept/thermite

A Ruby interface to the Twitter API. http://www.rubydoc.info/gems/twitter

Simple, efficient background processing for Ruby http://sidekiq.org

Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks https://github.com/carrierwaveuploader/carrierwave

Easy full stack backup operations on UNIX-like systems. http://backup.github.io/backup/v4/

A attractive and complete Rails engine providing e-commerce functionality for any Rails 4 application. http://tryshoppe.com

Updates your copyrights... so you don't have to! http://ryanmjacobs.github.io/github-copywriter

video site URL parser and embed code fetcher https://rubygems.org/gems/film_snob

A web app to coordinate railsgirls project groups https://rorganize.it

A RubyOnRails platform for rapid web application development. Containing a rich and flexible dashboard interface http://faalis.io

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

Empirical-Core is our web app for managing students, assigning activities, and viewing results. Core seamlessly incorporates 3rd party applications via the Empirical API. http://www.quill.org/

E164 international phone number normalizing, splitting, formatting. http://florianhanke.com/phony/

ComfortableMexicanSofa is a powerful Rails 4/5 CMS Engine