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Synergy

Cross-platform software for sharing your mouse and keyboard between multiple computers

Synergy is a software application developed by Symless. It is used for sharing a keyboard and mouse between multiple computers, and is useful in situations where several PCs are used together, with a monitor connected to each, but are to be controlled by one user. The user needs only one keyboard and mouse on the desk — similar to a KVM switch without the video.

Partly open source and partly closed source, the open source components are released under the terms of the GNU General Public License, which is free software. The first version of Synergy was created on May 13, 2001, by Chris Schoeneman and worked with the X Window System only. Synergy now supports Windows, macOS, Linux, and other Unix-like operating systems.

Once the program is installed, users can move the mouse "off" the side of their desktop on one computer, and the mouse pointer will appear on the desktop of another computer. Key presses will be delivered to whichever computer the mouse-pointer is located in. This makes it possible to control several machines as easily as if they were a single multi-monitor computer. The clipboard and even screensavers can be synchronized.

The program is implemented as a server which defines which screen-edges lead to which machines, and one or more clients, which connect to the server to offer the use of their desktops. The keyboard and mouse are connected to the server machine.

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2023-09-05

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Videos

Review - Synergy by Symless - Multi Machine Network Control Software

Symless Synergy Review - Mac (Keyboard & Mouse Sharing)

Social recommendations and mentions

We have tracked the following product recommendations or mentions on various public social media platforms and blogs. They can help you see what people think about Synergy and what they use it for.

Hrvach/Deskhop: Fast Desktop Switching Device
I use a software called Synergy. https://symless.com/synergy I have one keyboard and mouse connected to one "host" machine, and two machines connected as clients. Sometimes if the host machine bogs a bit (like running a build or something) then the clients will have some latency but I've used this setup for gaming and work for two years and it's been pretty good. My only complaint (about my personal setup, not the... - Source: Hacker News / 4 months ago
Hrvach/Deskhop: Fast Desktop Switching Device
I’ve been using a software solution for this for over a decade. It’s called Synergy (https://symless.com/synergy) and it is fast - switches instantly over wifi and also works across Windows/Mac/Linux. - Source: Hacker News / 4 months ago
Hrvach/Deskhop: Fast Desktop Switching Device
Synergy works well for this purely in software. Unfortunately it's not free or open source, but it's relatively inexpensive. https://symless.com/synergy. - Source: Hacker News / 4 months ago
Help me create a seamless LAN with a WAP on the end of a switch
I want to be able to do things like Synergy, Steam Link, Unified Remote, and Media Servers between any of these devices, with as little added latency as possible (especially important for steam link). Source: 4 months ago
Linux VNC viewer not displaying MacOS with multiple desktops (single monitor)
i've got several fedora linux machines running and sharing their monitors via synergy (https://symless.com/synergy) , all controlled by the keyboard/mouse on the primary synergy server. Source: 5 months ago
Talon Voice in Visor?
Not sure if this is what you're asking, but I've been using Synergy Pro (Windows, macOS, Linux) for years, and it works seamlessly. It lets you share your mouse and keyboard across multiple systems (with or w/o encryption), copy and paste between computers, etc. Source: 5 months ago
How can I use a MacBook Air as a screen and Mac mini pro as a computer?
I've got an M2 MacBook Air Per the Advanced... Screen under Displays in System Settings, you can link to a Mac or iPad to control it a la Synergy[0] I have not done it myself, but I do not see why you could not do it with a current-gen Mac Mini --------- [0] https://symless.com/synergy. - Source: Hacker News / 8 months ago
Is there such thing as a Dual Hub that let's me use the same peripherals (keyboard, mouse, usbs, headphones) between my Mac mini and PC?
I previously used a software solution to do the same thing and it was actually really good, better even. It might have been this software but I have to check to be sure - https://symless.com/synergy - as I’m not at my laptop right now. Source: 9 months ago
MacBook and windows laptop - setup
I've had the same issue myself for a while. I used to use some free (GPL) virtual KVM software called Synergy, but at some point that was abandoned so I stopped using it. However, it looks like it's now been resurrected -- albeit as paid software. It looks like you can still get it for free if you're willing to compile it from source. Otherwise, the paid version is not prohibitively expensive. I haven't tried the... Source: 10 months ago
Universal Control, Two Mac minis, Dual Shared Displays
Try this https://symless.com/synergy I have used it couple a times on my MacbookAir/Dell laptop setup and one shared monitor. Source: 10 months ago
3 computers, 1 set of peripherals. How?
Synergy KVM. It uses a server/client model and has been around for years available on all OSs: https://symless.com/synergy. Source: 10 months ago
Any software to switch input from windows (DCC CI)
One of the best investments I ever made: https://symless.com/synergy. Source: 11 months ago
Do any of you guys have a MacBook alongside your gaming PC?
This will make that setup worth your while. I freaking love Synergy. I personally use it for linux/windows compatibility but it will play nicely with Macs too. Source: 11 months ago
Dual monitor docking station for windows and mac?
Not hardware, but this has worked well for me: https://symless.com/synergy. Source: 11 months ago
How to Have a Mac and PC Setup to One Set of Peripherals
What about using Synergy? https://symless.com/synergy. Not sure it will work for speakers tho. Source: 11 months ago
Best way to use one keyboard, mouse and external monitor for a windows laptop and MacBook Pro
Look into the software Synergy. It lets you use multiple computers with on keyboard and mouse. Even if they are different OSs. I have used it and it works surprisingly well. https://symless.com/synergy. Source: 11 months ago
Making my wfh/gaming setup enjoyable again
I use this - https://symless.com/synergy. Source: 11 months ago
Macbook M2 Pro and a Windows gaming PC connection
Before this, I had 3 computers (mac, PC dual booting Ubuntu, and work computer) using 2 monitors, speakers, mouse and keyboard. The monitors AND speakers took multiple inputs, so I switched monitor inputs depending on what I wanted to use on each, and the speakers were connected to each, so they all had sound. I used Synergy to use the same mouse and keyboard across everything. https://symless.com/synergy. Source: 11 months ago
Can I use a MacBook as an extra display?
There is also Synergy which used to be open source, that lets you put computers side by side, and when the mouse hits the left edge of one computer, it reappears on the right edge of the adjacent computer, taking the clipboard and keyboard with it. Source: 11 months ago
A little less “anime and RGB,” a little more “pixel-slut for productivity”; but I hope I still fit in here. 😅
Synergy 3 (the beta) by Symless — it’s way, way more stable than it has any right to be; https://symless.com/synergy. Source: 11 months ago
KVM Switch
If you can install software of your choosing, then I HIGHLY recommend a program called Synergy. It's basically a virtual KVM where your single keyboard is active on whichever monitor (system) your mouse is on. Mine works great between two MBP's, again you need to be able to install software to use it. Source: 11 months ago

External sources with reviews and comparisons of Synergy

Top spacedesk Alternatives & Similar Software (2020)

Synergy is yet another software that lets you work on separate computers with the same input devices. It helps you save all the clutter caused by the cables of a traditional KVM. What’s more, it works even when the computers are working on separate operating systems. This feature makes it stand out from Spacedesk. For Synergy to function, you’ll need the systems to run on the same local network and connect the...

Source: www.winosbite.com

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Generic Synergy discussion

RickyI.H.
· 6 months ago
· Reply

I use the IOGear Dual View Dual Link KVM. I have three monitors, 2 PCs. I require at least 2 monitors 80% of the time on either PC, and very frequently I need 3 monitors. I'm able to switch to either PC with hot keys, and it takes 3 seconds. It seems that Synergy allows using each PC with the single keyboard and mouse, but does have dual monitor view capabilities. Am I correct?

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