A Spotify App that shows you how to make a Spotify app

MongoMapper ORM for Devise

Mongo Mapper integration for Devise framework

Rack Based AB testing framework

A really simple currency converter using XavierMedia API. Compatible with Ruby 1.8, 1.9, JRuby 1.5.3 and Rubinius 1.1

Like a modern code version of the mythical beast with 100 serpent heads, Typhoeus runs HTTP requests in parallel while cleanly encapsulating handling logic.