GitHub Visualizer - Enter user/repo and see the project visually
CodeFlower - CodeFlower visualizes source code repositories using an interactive tree.
The GitHub Matrix Screensaver - Latest commits from GitHub visualized Matrix-style
Gource - Gource is a software version control visualization tool.
Octohunt - Search to find developers in your city on Github.
Month to Master - Learn anything in 30 days, with the help of an AI coach