Barrier - Barrier is a cross-platform software for sharing your mouse and keyboard between multiple computers...
Synergy - Cross-platform software for sharing your mouse and keyboard between multiple computers
Input Director - Control multiple windows systems with one keyboard/mouse. Share a keyboard and mouse across multiple windows system.
ShareMouse - With its easy setup and high level of versatility, ShareMouse is a great tool if you're looking to use a single mouse and keyboard across multiple computers.
Pairaphrase - Web-based translation management system
Multiplicity - Multiplicity enables a user to control multiple computers with one keyboard and mouse.