Synergy - Cross-platform software for sharing your mouse and keyboard between multiple computers
GridMove - GridMove - A window management tool that can quickly arrange your windows into desktop grids.
Input Director - Control multiple windows systems with one keyboard/mouse. Share a keyboard and mouse across multiple windows system.
WinDock - WinDock is a window manager ideal for large, or multi-monitor setups. Features:
Ultramon - UltraMon is a piece of software built to help with the management of multiple screens on the same computer system. Without software like this, taking full advantage of an expanded desktop space can be difficult.
AquaSnap - Too many windows on your screen? Stop wasting your productivity.