Google Open Source - All of Googles open source projects under a single umbrella
SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
SANeForce - SAN Pharma Sales Force Automation
Open Source @IFTTT - A collection of IFTTT OSS projects.
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.