Glue is a simple command line tool to generate CSS sprites.

Line-by-line memory usage of a Python program...

"A collection of useful .gitignore templates" — useful :)

UIKit is a small collection of flexible, decoupled jQuery JavaScript components for the modern web.

A finite state machine javascript micro framework

Excellent iOS-Android contrast writeup from a hands-on-developer viewpoint:

"Responsive web design is about a lot more than the size of your screen. This talk is about about how GitHub handles links, the url bar, partial page updates, and explains why I think the HTML5 history API is the most important thing to happen to front end development since Firebug."