Multiplicity: Software from Stardock (EdgeRunner)

Control multiple PCs using one keyboard and mouse with Multiplicity from Stardock (EdgeRunner).

Synergy

Like Multiplicity, Synergy lets you control multiple computers by sharing one mouse and one keyboard between them. You can also copy and paste between your computers.

Synergy supports Mac and Linux as well as Windows. Once you’re up and running, you can also swap keys on controlled computers, such as swapping the Mac command key and control key (in case you want to control+C to copy on a Mac).

You can also drag and drop files between your computers.

Get Synergy