Simplified Tab Groups - This Firefox addon provides tab grouping features similar to the removed TabView/TabGroups/Panorama...
SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
Simple Tab Groups - Create, modify and quick change tab groups. Features:
SANeForce - SAN Pharma Sales Force Automation
Panorama View - Tab Groups with Panorama View. Lets you easily Group and manage Tabs visually, with tab hiding.
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.