GitHub Visualizer - Enter user/repo and see the project visually
Snarl - Snarl is a notification system for Windows.
Codeology - Open-source algorithm that visualizes GitHub projects
Growl for Windows - Growl for Windows is a Windows-compatible version of https://alternativeto.
Octohunt - Search to find developers in your city on Github.
Notify OSD - Canonicals on-screen-display notification agent, implementing the freedesktop.