The GitHub Matrix Screensaver - Latest commits from GitHub visualized Matrix-style
HubPress - A free, open source tool you can use to build a blog using GitHub Pages and AsciiDoc. HubPress is a web application that makes it easy for you to maintain a blog.
Octohunt - Search to find developers in your city on Github.
GitHub Personal Website Generator - Generate a personal website based on GitHub contributions
Github Profile Visualizer - Tool for visualizing GitHub profiles
Jekyll-post-via-web - Update your GitHub-hosted Jekyll blog from your browser