DisplayFusion - DisplayFusion will make your multi-monitor life much easier.
Actual Window Rollup - Actual Window Rollup: Rollup/unroll windows! Minimize them not to icons but so only their title bars remain visible. Use the best from the Unix/Linux world!
Preme for Windows - Speeds up your window switching.
WindowGrid - Quickly and easily layout windows on a dynamic grid using just the mouse.
GridMove - GridMove - A window management tool that can quickly arrange your windows into desktop grids.
AquaSnap - Too many windows on your screen? Stop wasting your productivity.