TreeSize - TreeSize tells you where precious disk space has gone to.
Gource - Gource is a software version control visualization tool.
WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
The GitHub Matrix Screensaver - Latest commits from GitHub visualized Matrix-style
Droid Transfer - Save and Print your Android Phone Messages, Manage Photos, Music and other files on your Android Phone through your PC. Android Transfer Software.
Octohunt - Search to find developers in your city on Github.