rsync is described as 'Software application for Unix which synchronizes files and directories from one location to another while minimizing data transfer using delta encoding when appropriate. An important feature of rsync not found in most similar programs/protocols is that the mirroring' 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, Duplicati, TeraCopy and Rclone.
rsync alternatives are mainly File Sync Tools, but if you're looking for
Backup Clients or File Copy Utilities you can filter on that. Other popular filters include
Windows,
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Open Source. You can also filter by region, for example
EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to rsync.