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SushitrainResilio Sync
Free

Open source under the MPL-2.0 licence and distributed through the App Store.

 Free

Free for personal use. Business editions are paid.

macOS, iOS Windows, macOS, Linux, Android, iOS
  • Selective sync of individual files and subfolders
  • On-demand access to files on other devices without a VPN
  • Files sync directly between your devices with no cloud storage involved
  • Fast on a local network and works well with very large libraries
  • Background sync is limited by what iOS allows
  • Apple platforms only
  • Closed source, so the protocol and crypto cannot be audited
  • Both devices must be online at the same time to sync
Downloadable app Downloadable app
Open source Closed source
License: MPL-2.0 License not stated
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 22, 2026

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