The Best Syncthing AlternativesTop File Sync Tools and other similar apps like Syncthing

Syncthing is described as 'Open-source, decentralized alternative ensuring data ownership with encrypted communication and peer-to-peer sync, void of central server reliance' and is a leading File Sync tool in the backup & sync category. There are more than 100 alternatives to Syncthing for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best Syncthing alternative is FreeFileSync, which is both free and Open Source. Other great apps like Syncthing are Resilio Sync , rsync, Syncthing-Fork and Koofr.

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Syncthing alternatives are mainly File Sync Tools, but if you're looking for Cloud Storage Services or Large File Transfer Services you can filter on that. Other popular filters include Open Source, iPhone, Android + Open Source and Android. These are just examples - use the filter bar below to find more specific alternatives to Syncthing.
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Alternatives list

  1. GoodSync icon
    Sponsored

    A comprehensive solution for file synchronization and backup, GoodSync allows seamless and real-time file sync across desktops, mobiles, and cloud services directly, bypassing third-party servers. Ideal for both personal and professional needs.

    124 GoodSync alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
  2. FreeFileSync icon
     607 likes
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    Open-source software for syncing and backing up files across Windows, macOS, and Linux by transferring only essential data.

    106 FreeFileSync alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • PortableApps.com
    • Chocolatey
     
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    2
    10
    Comments about FreeFileSync as an Alternative to Syncthing
    Sam Lander
    Positive
    2

    FreeFileSync is less prone to errors. I trust it more than Syncthing.

    Guest
    Negative
    3

    UI is not as nice; some features seem to be available only after donating (so “Freemium”, not free)

    Review by a new / low-activity user.
    Syncthing Icon
    FreeFileSync icon
    • Almost everyone thinks FreeFileSync is a great Syncthing alternative.

    • FreeFileSync is the most popular Windows, Mac & Linux alternative to Syncthing.

    • FreeFileSync is the most popular Open Source & free alternative to Syncthing.

    • FreeFileSync is Freemium and Open SourceSyncthing is Free and Open Source
  3. Resilio Sync  icon
     324 likes
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    Resilio Sync allows you to automatically sync files between computers via secure, distributed technology (P2P bittorrent protocol).

    71 Resilio Sync alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • Windows Phone
    • iPad
    • Kindle Fire
     
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    7
    58
    Comments about Resilio Sync as an Alternative to Syncthing
    Top Positive Comment
    geekypete
    3

    It's still free for personal use, but is updated commercially. Comes from good people and they should be good for a while.

    Slavana joker
    Positive
    1

    This is a commercial file synchronization tool that offers similar features to Syncthing, including peer-to-peer file syncing, selective file syncing, and support for multiple platforms.

    endolith
    Positive
    0

    Same thing as Syncthing but more reliable

    Show more comments
    3 of 7 comments
    Syncthing Icon
    Resilio Sync  icon
    • Almost everyone thinks Resilio Sync is a great Syncthing alternative.

    • Resilio Sync is the most popular Android, iPhone, iPad & Android Tablet alternative to Syncthing.

    • Resilio Sync is Free and ProprietarySyncthing is Free and Open Source
  4. rsync icon
     270 likes
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    rsync is a software application for Unix which synchronizes files and directories from one location to another while minimizing data transfer using delta encoding when appropriate. An important feature of rsync not found in most similar programs/protocols is that the mirroring...

    130 rsync alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • BSD
    • Cygwin
    • Haiku
     
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    3
    25
    Comments about rsync as an Alternative to Syncthing
    Guest
    Negative
    18

    rsync is a pure command line client, requiring explicitly the command to be typed, with accurate data on the destination whereas Syncthing seems to run in background. This would require to use rsync plus something else (e.g. a scheduler, cron, acron, pick one)

    Review by a new / low-activity user.
    Samenaga
    Positive
    0

    I like rsync as an alternative to synthing because it can do pretty much the same. I like to use rsync for one off transfers or backups and syncthing for mirror syncronization.

    Spout
    Negative
    1

    they have some overlapping features but are pretty different tools. rsync is much more powerful in the diversity of things it can do and is purely command line. syncthing has a web interface (in addition to cli for those who are so inclined) and device apps and is simpler to set up. rsync will easily let you hose your files if you use it wrong whereas syncthing is more set up to avoid that.

    Syncthing Icon
    rsync icon
    • Most users think rsync is a great Syncthing alternative.

    • rsync is Free and Open SourceSyncthing is also Free and Open Source
  5. Syncthing-Fork icon
     44 likes
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    Comprehensive file sync solution featuring individual sync settings per device and folder, Android-optimized interface, efficient battery-saving options, two-way SD card sync on Android 11+, and robust encrypted folder support for security.

    6 Syncthing-Fork alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
     
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    2
    10
    Comments about Syncthing-Fork as an Alternative to Syncthing
    Aleksandr Dikov
    Positive
    1

    Syncthing-Fork is enhancement version of original Android app.

    Guest
    Positive
    1

    Syncthing alone was not working for me to transfer files from work profile to personal profile so installed each syncthing and its fork and it worked.

    Review by a new / low-activity user.
    Syncthing Icon
    Syncthing-Fork icon
    • Almost everyone thinks Syncthing-Fork is a great Syncthing alternative.

    • Syncthing-Fork is Free and Open SourceSyncthing is also Free and Open Source
  6. Koofr icon
     135 likes
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    Koofr is a safe, secure and simple way to store, backup and share your documents, photos, videos and more. It offers up to 10 GB of free safe storage for your files with affordable upgrades and options to connect multiple cloud accounts.

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Platforms

    • Mac
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • Windows Phone
    • iPad
    • Linux Mobile
    • Google Chrome
    • F-Droid
    • Software as a Service (SaaS)
    • Mozilla Firefox
    • Self-Hosted
    • Docker
    • Rust
    • Chromium
     
    • Koofr is the most popular Web-based, SaaS & Self-Hosted alternative to Syncthing.

    • Koofr is Freemium and Open SourceSyncthing is Free and Open Source
  7. Hoodik icon
     23 likes
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    Hoodik is a lightweight, secure, and self-hosted cloud storage solution. It's designed and built with Rust and Vue, focusing on end-to-end encryption that shields your data from prying eyes and hackers.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Docker
     
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    1
    Comments about Hoodik as an Alternative to Syncthing
    Guest
    Negative
    1

    Not the same functionality, Syncthing is primarily file syncing

    Review by a new / low-activity user.
    Syncthing Icon
    Hoodik icon
    • Hoodik is Free and Open SourceSyncthing is also Free and Open Source
  8. Sync.com icon
     98 likes
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    Offers cloud file storage with end-to-end encryption, automated backup, and multi-device sync. Includes zero-knowledge privacy, password-protected sharing, permissions, and collaboration features. Large file support, offline access, file recovery, and Canadian privacy compliance.

    118 Sync.com alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  9. Copy a direct link to this comment to your clipboard

    Unison is a file-synchronization tool for POSIX-compliant systems (e.g. *BSD and GNU/Linux), macOS and Windows, with the caveat that the platform must be supported by OCaml. It allows two replicas of a collection of files and directories to be stored on different hosts (or diffe.

    55 Unison File Synchronizer alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
    • Snapcraft
     
  10. Icedrive icon
     43 likes
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    Icedrive is a cloud storage, backup and file sharing service with browser, desktop and mobile apps.

    The Icedrive desktop application allows users to mount their cloud storage space as a real hard drive.

    190 Icedrive alternatives

    Cost / License

    • Freemium (Pay once or Subscription)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  11. GoodSync icon
     138 likes
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    A comprehensive solution for file synchronization and backup, GoodSync allows seamless and real-time file sync across desktops, mobiles, and cloud services directly, bypassing third-party servers. Ideal for both personal and professional needs.

    124 GoodSync alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
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    1
    Comments about GoodSync as an Alternative to Syncthing
    Spout
    Positive
    0

    back up and sync are not the same function and while syncthing is always very explicit about that, this software (which I have not used) appears to be furthering confusing by conflating the two.

    Syncthing Icon
    GoodSync icon
    • GoodSync is Freemium and ProprietarySyncthing is Free and Open Source
  12. SyncBack icon
     143 likes
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    SyncBack allows for backing up, synchronizing, and restoring files on Windows. It offers a free version, SyncBackSE and Pro for more features, including local networks and cloud backups. Ideal for individuals and large organizations like hospitals, ensuring data protection and recovery.

    96 SyncBack alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
     
  13. Croc icon
     24 likes
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    croc is a tool I built to easily and securely transfer stuff from one computer to another.

    The only tool that is easily installed and used on any platform, and has secure peer-to-peer transferring, and has the capability to resume broken transfers.

    109 Croc alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Termux
     
12 of 131 Syncthing alternatives