"Git Immersion is a guided tour that walks through the fundamentals of Git, inspired by the premise that to know a thing is to do it."

"HTML5 Boilerplate is the professional badass's base HTML/CSS/JS template for a fast, robust and future-proof site."

Unreal. And awesome.

"Movie Player for Mac OS X based on QuickTime & FFmpeg."

"I Love Stars 2.0 was a little menubar application that did just two things: 1) show you the star rating of iTunes' currently playing song and 2) let you click to set a new rating." Version 3 includes unrated song alert & keyboard shortcuts.