Working Copy - The powerful Git client for iOS
The GitHub Matrix Screensaver - Latest commits from GitHub visualized Matrix-style
CodeHub - CodeHub is the most complete, unofficial, client for GitHub on the iOS platform.
Gource - Gource is a software version control visualization tool.
Git Flow - Git Flow is a very self-explanatory free software workflow for managing Git branches.
Octohunt - Search to find developers in your city on Github.