I don’t think I’d be inaccurate in thinking that this site’s readers tend to interact with more than one computer in their daily quest to do whatever they do. Just looking through the obligatory “What’s in your rig” forum thread turns up a lot of people who have a desktop and laptop, some who have gone even further. A couple of people are doing the cross-OS thing (I know Peter runs a windows laptop alongside his shiny Mac gear), and this kind of behaviour is only going to increase as computers drop further in price and turn up on supermarket shelves.

Having lots of computers scattered around is great: When the current one is maxed out with rendering, ripping, burning… finding alien messages in pi, then you can grab the next one along and work on something else rather than staring at that hourglass or spinny ball thing. Of course if you don’t actually have to move somewhere else to control that other machine, then you’re combining the best parts of efficiency and laziness and I’m very proud. You could pick up a hardware KVM switch but this limits you by the number of ports and cable reach. You could use a virtual client such as VNC, Apple Remote Desktop or Windows remote desktop, but running these programs loads the remote system’s screen into your current one, losing precious screen real estate.

synergy: [noun] a mutually advantageous conjunction of distinct elements

Synergy lets you easily share a single mouse and keyboard between multiple computers with different operating systems, each with its own display, without special hardware. It’s intended for users with multiple computers on their desk since each system uses its own monitor(s).

Redirecting the mouse and keyboard is as simple as moving the mouse off the edge of your screen. Synergy also merges the clipboards of all the systems into one, allowing cut-and-paste between systems.

Synergy is open-source and has binaries available for OSX, Win32 and unix flavours.

  • I use this all the time at work (web developing, usually on mac, but you HAVE TO test in IE 🙂 and its a real lifesaver. The only downside is I havent found a nice GUI on the mac, and the config file is a bit fiddly. but apart from that, its great.

  • Yep, Synergy is the perfect thing for multiple computers, multiple displays. One display, multiple computers means VNC or Remote Desktop are the way to go, as far as software.

  • Oh, and the other nice thing about Synergy is that your setup could look like this:


    (Serial Experiments Lain = brilliant anime show from late 90s.)

  • Eric Baker

    Synergy looks like a copy of Stardock's Multiplicity (which works better IMHO).

  • As Synergy was released quite a while before Multiplicity it can't really be a copy 🙂 But Multiplicity does have some nice extra features. Copy and Paste of files is something I really miss from Windows Remote Desktop.

    The standard version of Multiplicity can't really compete with the GPL, multi-OS capable Synergy, but for Windows-only environments Multiplicity Pro looks great. I might grab the trial and see what it's like in use.

  • Pingback: the Oxygen Kiosk : » O2k Blog launch()

  • Pingback: Create Digital Motion » Cheap Pixels for Workflow Excellence: BenQ G2400W 24″ HD LCD Monitor Review()