RocketDock - RocketDock is a Mac OS X dock clone.
DisplayFusion - DisplayFusion will make your multi-monitor life much easier.
ObjectDock - ObjectDock is the most popular animated dock for Windows.
Mizage Divvy - Divvy is an entirely new way of managing your workspace.
Cairo-Dock - Cairo-Dock / GLX-Dock 3. 4 is now available. Cairo-Dock 3. 4 is finally released! One year after the 3.
WindowGrid - Quickly and easily layout windows on a dynamic grid using just the mouse.