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.

rsync is described as 'File and directory synchronization tool for Unix systems with delta encoding, compression, recursion, SSH support, permission preservation, and flexible filters' and is a very popular File Sync tool in the backup & sync category. There are more than 100 alternatives to rsync for a variety of platforms, including Windows, Mac, Linux, Android and BSD apps. The best rsync alternative is Syncthing, which is both free and Open Source. Other great apps like rsync are FreeFileSync, TeraCopy, Rclone and Duplicati.
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.

Open-source software for syncing and backing up files across Windows, macOS, and Linux by transferring only essential data.




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.




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.


Duplicati stores encrypted, incremental backups with AES-256 encryption and GPG, compatible with Windows, Linux, MacOS. Supports cloud services like OneDrive, Google Drive, and includes a built-in scheduler, auto-updater. Run backups through a web interface or command line.




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

Full image and file backups, disk cloning, and partition management across Windows, macOS, iOS, and Android with ransomware protection, cloud storage, fast recovery, web-based remote management, and mobile device support for flexible, secure data protection.



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.


Déjà Dup is a simple backup tool. It hides the complexity of doing backups the Right Way (encrypted, off-site, and regularly) and uses Restic behind the scenes.




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.





Cannot sync between 2 local directories.