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rsyncSyncBack
Free

Free and open source under the GPL.

 Paid

SyncBackPro and SyncBackSE are paid with a free trial; a freeware section is also on the…

Windows, macOS, Linux, Command line Windows
  • Transfers only the changed parts of files, so repeat syncs are fast
  • Preserves permissions, links and attributes, which makes it safe for system trees
  • Backup and two-way sync in one program
  • Cloud destinations and file versioning
  • No versioning or snapshots on its own; --delete destroys without warning
  • Command-line only, with a long list of subtle flags
  • Main program runs only on Windows
  • Full features require a paid edition
Downloadable app Downloadable app
Open source Closed source
License: GPL-3.0 License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 22, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.