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 Windows if you are looking for a replacement. The best Windows 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 loads of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to FreeFileSync are TeraCopy, Rclone, 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.

A free utility for fast, secure file copying that verifies files and skips bad ones during transfer, integrating seamlessly with Windows. The Pro version includes advanced features like favorite folder transfers, report saving, and file queue management, enhancing the file management experience.




Rclone ("rsync for cloud storage") is a command-line program to sync files and directories to and from different cloud storage providers.

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.

Air Explorer is an application that manages easily all your files in cloud servers (Google Drive, OneDrive, Dropbox, Mega, Box, Mediafire, WebDAV, Copy, Yandex,...) and FTP and SFTP services.



Simple fast backup for Windows. At a glance - small and very lean, very fast delta copier, excellent user interface, device tracking, shadow copying, move/rename detection, run-as-a-service mode, robust support for multi-million item backups with terabytes of data, intelligent...




Robocopy, or "Robust File Copy", is a command-line directory replication command. It has been available as part of the Windows Resource Kit starting with Windows NT 4.0, and was introduced as a standard feature of Windows Vista, Windows 7 and Windows Server 2008.

SyncFolders helps you to synchronize the contents of two folders, including any subfolders, track file modifications and deletions in a local database, propagate deletions and detect file renames, which is a noteworthy feature.




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