Preme for Windows - Speeds up your window switching.
altdrag - AltDrag allows you to move and resize windows much easier.
WinDock - WinDock is a window manager ideal for large, or multi-monitor setups. Features:
WindowGrid - Quickly and easily layout windows on a dynamic grid using just the mouse.
QuickTile - A lightweight utility for allowing you to quickly snap windows to a tiling grid under your existing...
AquaSnap - Too many windows on your screen? Stop wasting your productivity.