The Best Open Source Synergy AlternativesTop Mouse & Keyboard Sharing Utilities like Synergy

The best open source alternative to Synergy is Barrier. If that doesn't suit you, our users have ranked more than 10 alternatives to Synergy and eight of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Synergy are Input Leap, InputShare, Deskflow and x2vnc (win2vnc).

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Synergy alternatives are mainly Mouse Sharing Utilities, but if you're looking for Keyboard Sharing Utilities you can filter on that. Other popular filters include Windows, Open Source, Linux, Mac, Android and Free. These are just examples - use the filter bar below to find more specific alternatives to Synergy.
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Alternatives list

  1. Barrier icon

    Barrier

     129 likes
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    Barrier is a cross-platform software utility for sharing your mouse and keyboard between multiple computers on your desk. It was forked from Synergy version 1.9's codebase.

    19 Barrier alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • FreeBSD
    • OpenBSD
    Barrier screenshot 1
     
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    17
    138
    Comments about Barrier as an Alternative to Synergy
    Comment summary: Barrier, a fork of Synergy, is praised for being an open-source, cross-platform solution with active maintenance. It provides an easy setup and works efficiently across Linux and Windows, requiring minimal adjustments. Despite the lack of Wayland support, users find it reliable and fast, emphasizing its function compared to the now less-updated Synergy. Development for Synergy has shifted towards the InputLeap project since February 2022.
    Top Positive Comment
    Iaian7
    7

    This is the only cross-platform solution I've found so far, and it's working a heck of a lot better than Synergy!

    Top Negative Comment
    kylefmohr
    3

    No longer maintained as of Feb 2022, development efforts have continued under the "InputLeap" project on GitHub

    mazee
    Positive
    5

    Last update from November 2021. Main developers moved to Input Leap. For now both Input Leap and Barrier are more or less at the same state, but going forward Input Leap might be the better choice.

    Show more comments
    3 of 17 comments
    Synergy Icon
    Barrier icon

    • Almost everyone thinks Barrier is a great Synergy alternative.

    • Barrier is the most popular Windows, Mac & Linux alternative to Synergy.

    • Barrier is the most popular Open Source & free alternative to Synergy.

    • Barrier is Free and Open SourceSynergy is Paid and Proprietary
  2. Input Leap icon

    Input Leap

     30 likes
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    Input Leap is software that mimics the functionality of a KVM switch, which historically would allow you to use a single keyboard and mouse to control multiple computers by physically turning a dial on the box to switch the machine you're controlling at any given moment.

    19 Input Leap alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Flathub
    • Flatpak
    Input Leap screenshot 1
     
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    2
    7
    Comments about Input Leap as an Alternative to Synergy
    CountBuggula
    Positive
    0

    It's the currently maintained fork of the original open-source version of Synergy.

    kylefmohr
    Positive
    0

    A fork of Synergy from back when it was open source, that is actively being developed, and works cross-platform.

    Synergy Icon
    Input Leap icon

    • Almost everyone thinks Input Leap is a great Synergy alternative.

    • Input Leap is Free and Open SourceSynergy is Paid and Proprietary
  5. Deskflow icon

    Deskflow

     9 likes
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    Deskflow is a free and open-source keyboard and mouse sharing app. Use the keyboard, mouse, or trackpad of one computer to control nearby computers, and work seamlessly between them. It's like a software KVM (but without the video). TLS encryption is enabled by default.

    11 Deskflow alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Flathub
    • Flatpak
    Deskflow screenshot 1
     
  6. x2vnc (win2vnc) icon

    x2vnc (win2vnc)

     11 likes
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    This program will let you use two screens on two different computers as if they were connected to the same computer.

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    x2vnc (win2vnc) screenshot 1
     
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    2
    7
    Comments about x2vnc (win2vnc) as an Alternative to Synergy
    Guest
    Negative
    0

    This does not actually replicate the functionality of Synergy

    Review by a new / low-activity user.
    Guest
    Positive
    -5

    While the description is a little vague, they seem to imply that your keyboard/mouse input is sent to another PC when you move your mouse into a tiny window on either PC.

    Review by a new / low-activity user.
    Synergy Icon
    x2vnc (win2vnc) icon

    • Some users think x2vnc (win2vnc) is a great Synergy alternative, some don't.

    • x2vnc (win2vnc) is Free and Open SourceSynergy is Paid and Proprietary
  7. Lan Mouse icon

    Lan Mouse

     2 likes
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    Mouse & Keyboard sharing via LAN for Desktop Windows/Mac/Linux.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    Lan Mouse screenshot 1
     
  9. Win2VNC icon

    Win2VNC

     6 likes
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    This program will let you use two screens on two different computers as if they were connected to the same computer. It even works between different operating systems.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    Connectoin Details
     

  10. Remote

     3 likes
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    Controls multiple computers via another's keyboard and mouse.

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Windows
     
8 of 8 Synergy alternatives