OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
TidyTabs - TidyTabs brings tabbed browsing to all of your desktop applications.
Toby - Better Than Bookmarks
groupy - Groupy enables you to drag and drop application windows together to group them together under a common tabbed interface.
Session Buddy - Manage Your Browser Sessions
QTTabBar - QTTabBar is an extension for Windows Explorer that brings tabbed browsing to Microsoft's file...