Free Synergy Alternatives for Linux

There are many alternatives to Synergy for Linux if you are looking for a replacement. The best free Linux alternative is Barrier, which is also Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Synergy and six of them are free and available for Linux so hopefully you can find a suitable replacement. Other interesting free Linux alternatives to Synergy are Input Leap, Deskflow, Cursr and x2vnc (win2vnc).

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Alternatives list

  1. Barrier icon

    Barrier

     128 likes

    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
    Barrier vs Synergy Comments
    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
    4

    No longer maintained as of Feb 2022, development efforts have continued under the "InputLeap" project on GitHub

    mazee
    Positive
    6

    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.

    3 of 17 comments
    • Barrier is Free and Open SourceSynergy is Paid and Proprietary
  2. Input Leap icon

    Input Leap

     32 likes

    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
    Input Leap vs Synergy Comments
    CountBuggula
    Positive
    1

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

    kylefmohr
    Positive
    1

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

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

    Deskflow

     10 likes

    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

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Flathub
    • Flatpak
    Deskflow screenshot 1
     
  5. Cursr icon

    Cursr

     7 likes

    Cross-platform utility tool for seamless mouse, keyboard and clipboard sharing and usage in multi-display, single and multi-device setups.

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    Cursr running locally to map the edges of disparate monitors. This enables the pointer to move between screens anywhere along the edge - not just where the OS sees the screen edges meeting up.
     
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    1
    Cursr vs Synergy Comments
    Matt
    Positive
    0

    Has all the features I need from Synergy -and- enables me to map the sides of non-matching displays for smooth screen-to-screen pointer movement

    • Cursr is Freemium and ProprietarySynergy is Paid and Proprietary
    • Cursr is CustomizableSynergy is not according to our users
  6. x2vnc (win2vnc) icon

    x2vnc (win2vnc)

     11 likes

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

    14 x2vnc (win2vnc) alternatives

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    x2vnc (win2vnc) screenshot 1
     
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    2
    x2vnc (win2vnc) vs Synergy Comments
    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.
    • x2vnc (win2vnc) is Free and Open SourceSynergy is Paid and Proprietary
  7. Lan Mouse icon

    Lan Mouse

     2 likes

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

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    Lan Mouse screenshot 1
     
6 of 6 Synergy alternatives