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Open Source FreeFileSync Alternatives

The best open source alternative to FreeFileSync is Syncthing. If that doesn't suit you, our users have ranked more than 50 alternatives to FreeFileSync and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to FreeFileSync are WinMerge, rsync, Rclone and Restic.

FreeFileSync alternatives are mainly File Sync Tools but may also be Diff Tools or Backup Clients. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of FreeFileSync.
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  • FreemiumOpen Source
  • Mac
  • Windows
  • Linux
  • openSUSE
  • Linux Mint
  • CentOS
  • Ubuntu
  • Debian

FreeFileSync is a folder comparison and synchronization software that creates and manages backup copies of all your...

Learn more about FreeFileSync

  1. Syncthing icon

    Syncthing

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • BSD
    • Self-Hosted
    • F-Droid
    • Cloudron

    Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized. Your data is your data alone and you deserve to choose where it is stored.

    Screenshot
    Syncthing vs FreeFileSync opinions
    pros, cons and recent comments
    LinuxDoge

    No alternative to FreeFileSync, as it is about network syncing and not local between drives.

    Negative comment ago
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    0
  2. WinMerge is an open source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.

    File Comparison


  3. 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.

    Screenshot
    Most users think rsync is a great alternative to FreeFileSync.
  4. Rclone ("rsync for cloud storage") is a command-line program to sync files and directories to and from different cloud storage providers.

    Screenshot
  5. Restic icon

    Restic

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD
    • Arch Linux
    • FreeBSD
    • OpenBSD

    restic is a program that does backups right. The design goals are: Easy, Fast, Verifiable, Secure, Efficient, Free.

    Screenshot


  6. Unison is a file-synchronization tool for Unix and Windows.

    Unison running in KDE terminal window
    Unison File Synchronizer vs FreeFileSync opinions
    Some users think Unison File Synchronizer is a great alternative to FreeFileSync, some don't.

    It simply works, no hassle, no issues during many years of use and simple interface

    Positive comment ago
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    0
  7. DirSync Pro icon

    DirSync Pro

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    DirSync Pro is a small, but powerful utility for file and folder synchronization. DirSync Pro can be used to synchronize the content of one or many folders recursively. Use DirSync Pro to easily synchronize files from your desktop PC to your USB-stick.

    Basic
    DirSync Pro vs FreeFileSync opinions
    pros, cons and recent comments

    Simpler but still as advanced as FreeFileSync. The JobSets tree gives a very clean overview for someone besides the original backup operator to take over the backup process. Also multi-platform and portable as FFS.

    Positive comment ago
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    2
  8. Kopia icon

    Kopia

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Kopia is a fast and secure open-source backup/restore tool that manages filesystem snapshots in a remote storage. It features client-side encryption, compression, backup policies. command-line interface and more.

    No screenshots yet
  9. Toucan is a small portableapp utility allowing you to synchronise, backup and secure your data with more options than the built in suite utilities. It is split up into 7 tabs, allowing you to easily find the function that you want.

    Toucan Main Window
  10. Bacula icon

    Bacula

    • Free PersonalOpen Source
    • Mac
    • Windows
    • Linux
    • FreeBSD
    • OpenBSD

    Bacula is a set of computer programs that permit managing backup, recovery, and verification of computer data across a network of computers of different kinds.

    Screenshot
Showing 10 of 29 alternatives