ObjectDock Plus 

Tabbed docks help keep your weblinks and shortcuts organized. Tuck them away on an edge, setup hotkeys, or leave them in your taskbar. It’s easy to customize for your applications. The best feature of the Windows 7 superbar, now available on all versions of Windows with ObjectDock. Hover over compatible running applications to preview that program’s windows and easily switch between them.

Drag tabs with your right mouse button to quickly rearrange your tabs, or even tear one off completely onto its own dock. Add, remove, rename and recolor tabs with a simple right-click.