DisplayFusion - DisplayFusion will make your multi-monitor life much easier.
Compiz - Project information. Maintainer: PS Project Management Team. Driver: Compiz Maintainers. Licence: GNU GPL v2, GNU LGPL v2. 1, MIT / X / Expat Licence.
WindowGrid - Quickly and easily layout windows on a dynamic grid using just the mouse.
Witch - Welcome to the world of W. i. t. c. h.
Mizage Divvy - Divvy is an entirely new way of managing your workspace.
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.