synergy: synergy (an application dual-screen with two different computers)
synergy: 
synergy: Synergy lets you easily share a single mouse and keyboard between
synergy: multiple computers with different operating systems, each with its own
synergy: display, without special hardware.
synergy: Redirecting the mouse and keyboard is as simple as moving
synergy: the mouse off the edge of your screen. Synergy also merges the
synergy: clipboards of all the systems into one, allowing cut-and-paste between
synergy: systems. Furthermore, it synchronizes screen savers so they all start
synergy: and stop together and, if screen locking is enabled, only one screen
synergy: requires a password to unlock them all.