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.

The best open source alternative to rsync is Syncthing. If that doesn't suit you, our users have ranked more than 100 alternatives to rsync and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to rsync are FreeFileSync, Duplicati, Rclone 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.

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




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.




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

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

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.








Round Sync helps you to manage your files, everywhere you go, on your local device or on most cloud providers.




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.


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.




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.




Cannot sync between 2 local directories.