DisplayFusion - DisplayFusion will make your multi-monitor life much easier.
groupy - Groupy enables you to drag and drop application windows together to group them together under a common tabbed interface.
WindowGrid - Quickly and easily layout windows on a dynamic grid using just the mouse.
QTTabBar - QTTabBar is an extension for Windows Explorer that brings tabbed browsing to Microsoft's file...
Mizage Divvy - Divvy is an entirely new way of managing your workspace.
BrightExplorer - Add a tabbed interface to Windows Explorer.