"If you're one of the many users who has two (or more) computers
on your desk, you might get tired of switching between the keyboard
and mouse on different systems. KVMs are one solution, but if you'd
like to save a few bucks and be able to switch between two or more
computers with a flick of the mouse, Synergy is the software for
"Synergy allows you to use a single keyboard and mouse to
control multiple computers running Linux, Mac OS X, Windows, and
other operating systems..."