AquaSnap is a free software that greatly enhances the way you can arrange windows on your Desktop. It gives you the possibility to snap windows to the edges or to the corners of the desktop simply by dragging and dropping them where you want. AquaSnap is a great replacement for the Aero Snap and Aero Shake features of Windows 7 and is compatible with every Windows versions and consumes very little memory and CPU .....(free).....