Open-source, peer-to-peer service offering encrypted file synchronization, ensuring data privacy and user-autonomy without relying on cloud storage or central servers, suitable for various uses.

There are many alternatives to FreeFileSync for Linux if you are looking for a replacement. The best Linux alternative is Syncthing, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to FreeFileSync and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to FreeFileSync are Rclone, rsync, GoodSync and Restic.
Open-source, peer-to-peer service offering encrypted file synchronization, ensuring data privacy and user-autonomy without relying on cloud storage or central servers, suitable for various uses.

Versatile command-line utility for syncing, copying, and verifying files across local disks and multiple cloud storage providers. Features include hash-based integrity checks, timestamp preservation, compression, encryption, and mounting storage as drives for backup and transfer tasks.


Utility for Unix file and directory synchronization using delta encoding for efficient transfer, supports compression, incremental backup, remote operation via SSH, customizable filters, permission and timestamp preservation, and daemon mode on TCP 873.



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.




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

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.



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.


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.

Back up your data and synchronize PCs, Macs, servers, notebooks, and online storage space.




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.




DirSync Pro is a small, but powerful utility for file and folder synchronization. Java JRE 1.7 or above is needed to run DirSync Pro.




Synkron is an application for folder synchronisation and folder-backups that allows you to configure your synchronisations in detail. Despite having many features, the user interface of Synkron is very user-friendly and easy to use.




FreeFileSync is used to sync files between directories/drives, while Syncthing is used to sync files between devices.