H2O is a fast and secure HTTP/2 server written in C by Kazuho Oku.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Modernizr is a JavaScript library that detects the features available in a user's browser.
Octopress is a static blogging framework.
SpeedCurve is a front-end performance monitoring service.