An uroboros program with 100+ programming languages

Easy file attachment management for ActiveRecord

Authorization framework for Ruby/Rails applications

Rails Generators for Cucumber with special support for Capybara and DatabaseCleaner

A NES emulator written in Ruby

A quick and easy way to visually test your Rails application's API.

OpenID Connect Server & Client Library

Delegate methods in Ruby and preserve self. Add behaviors to your objects without altering their superclass hierarchy.

Trusterd: High Performance HTTP/2 Web Server scripting with mruby

RSpec 3 code generator toward existing Ruby code.

Allows you to write man pages in pure markdown.

The Ruby Programming Language

Async I/O using Ruby Fiber

motion-mode.el is a package to provide emacs' major mode for RubyMotion enviroment.

Helps you keep an eye on your RubyMotion iOS app's memory and CPU usage.