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SyncthingSyncTrayzor
Free

Free software; the Syncthing Foundation is funded by donations. There is no storage cost…

 Free

Free and open source under the MIT licence.

Windows, macOS, Linux, Command line, Self-hosted Windows
  • No central server: none of your data is stored anywhere except on your own computers
  • All traffic is TLS encrypted with perfect forward secrecy, and every device is authenticated by certificate
  • Built-in browser for the Syncthing interface
  • Notifications for conflicts, sync completion and device connections
  • The official Android app was archived in December 2024; Android users rely on a community fork
  • Both devices must be online at the same time for changes to move
  • Windows only, version 10 or newer
  • A community continuation of a discontinued project
Downloadable app, Self-hosted Downloadable app
Open source Open source
License: MPL-2.0 License: MIT
No account needed No account needed
Works offline Not stated if it works offline

Checked September 20, 2026

Checked October 1, 2026

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