TidyTabs - TidyTabs brings tabbed browsing to all of your desktop applications.
TortoiseSVN - The coolest interface to (Sub)version control
groupy - Groupy enables you to drag and drop application windows together to group them together under a common tabbed interface.
VisualSVN - VisualSVN - Subversion plugin for Visual Studio
QTTabBar - QTTabBar is an extension for Windows Explorer that brings tabbed browsing to Microsoft's file...
Xversion - Super easy enterprise class version control.