HyperKeys - Unleash the power of your keyboard by letting you bind ANY action to a shortcut. It's open-source and fully extendable. You can code you own actions or use one from the community !
Compiz - Project information. Maintainer: PS Project Management Team. Driver: Compiz Maintainers. Licence: GNU GPL v2, GNU LGPL v2. 1, MIT / X / Expat Licence.
Skippy-XD - Skippy-XD is a full-screen task-switcher for X11.
Witch - Welcome to the world of W. i. t. c. h.
VistaSwitcher - VistaSwitcher is an elegant and powerful task management utility for Windows OS.
Dexpot - If you don't have Dexpot yet, the new update makes it a must-have tool for Windows, adding a ton of features to your desktop that you never knew you wanted.