Pro Git 2nd Edition
Vagrant is a tool for building and distributing environments
Self-hosted, super simple photo stream
Seamlessly specify multiple redirections URLs for your pages and posts
Liquid tag for displaying GitHub Gists in Jekyll sites
Handset Detection for Mobile Applications. Device Description Database
Scriptable frontend for media applications.
A modern, minimalist, extensible chat bot.
A complete multi-language developement stack for GNU/Linux
Ruby computer vision library
The easy way to learn web frameworks