The Ruby Programming Language

Ruby on Rails

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

Ansible is a radically simple IT automation platform that makes your applications and systems easier to deploy and maintain. Automate everything from code deployment to network configuration to clo…

Sass makes CSS fun!

Flexible authentication solution for Rails with Warden.

Nokogiri (鋸) makes it easy and painless to work with XML and HTML from Ruby.

Vagrant is a tool for building and distributing development environments.

HTML Abstraction Markup Language - A Markup Haiku

A library for setting up Ruby objects as test data.

Acceptance test framework for web applications

Fast, Nimble PDF Writer for Ruby

Parse, validate, manipulate, and display dates in javascript.

Easy file attachment management for ActiveRecord

Rack-based asset packaging system