SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
Amazing Marvin - Customizable personal productivity tool
SANeForce - SAN Pharma Sales Force Automation
Focusmate - Distraction-free productivity via virtual coworking
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.
MenuTimer - MenuTimer is a timer that you can use from your menu bar.