RocketDock - RocketDock is a Mac OS X dock clone.
Slingscold - Slingscold is a lightweight application launcher similar to Launchpad in Mac OS X.
ObjectDock - ObjectDock is the most popular animated dock for Windows.
Listary - Listary is a revolutionary search utility for Windows
Winstep Nexus - The Winstep Nexus Dock is a FREE* professional dock for Windows. With Nexus, your most frequently used applications are only a mouse click away - and Nexus turns working with your computer into a fun and exciting experience.
Scherlokk - Mac OS X application. Simple and user friendly, Scherlokk will find your media and missed files - quickly.