Gource - Gource is a software version control visualization tool.
Octohunt - Search to find developers in your city on Github.
The GitHub Matrix Screensaver - Latest commits from GitHub visualized Matrix-style
Learn X in Y minutes - LearnXinYminutes isn’t a good way to learn your first programming language, but it’s a great way to...
CodeFlower - CodeFlower visualizes source code repositories using an interactive tree.
SyntaxDB - Easily look up programming syntax for multiple languages