Synergy is FOSS that lets you easily share a single mouse and keyboard between multiple computers with different operating systems, without special hardware. All you need is a LAN connection. It's intended for users with multiple computers, where each system uses its own display.

Features:

End-user support

FAQs: User, Developer

Mailing lists: User, Developer

Your todo list

Issues to triage

Issues to confirm fixed

Latest issues solved

Nightly build (status and packages)

Limitations: This program is advertising supported and may offer to install third party programs that are not required for the program to run. These may include a toolbar, changing your homepage, default search engine or other third party programs. Please watch the installation carefully to opt out.