Feature request: being able to use computer A's mouse with computer B's keyboard on computer C.
In other words, no client becomes master, but they all share the same focus.
A feature I was hopping to get since the announcement of Synergy 2.
Usecase scenario: at work I have a mac, windows desktop and I bring with me a thinkpad. I want to control the mac with a physical mouse always connected to the desktop, using the thinkpad's keyboard. In this configuration, I would just arrive with my thinkpad, sit down, and everything would work.