Syncthing

Open-source continuous file synchronization that copies folders directly between your devices, with no central server.

Open source

Active

Facts

Made by: Syncthing contributors
Website: syncthing.net
License: License: Open sourceMPL-2.0
Pricing: Free
Platforms: Windows
macOS
Linux
Command line
Self-hostable: Yes
Works offline: Yes
Account required: No
Telemetry: Anonymous usage reporting is opt-in. By default devices find each other through public discovery servers and may use public relays.
Maturity: Stable
Source code: github: syncthing/syncthing
Maintenance: Status: ActiveLast commit Oct 8, 2026

Dropbox
Situational. Best for private peer-to-peer sync with no server.
0 people switched
Obsidian Sync
Strong. Best for free peer-to-peer sync of any folder.
0 people switched

Repository checks, newest first; last checked Oct 8, 2026. Checks older than 90 days are kept as one per week.

Repository checks for Syncthing
Checked	Last commit	Latest release	Stars	State
Oct 8, 2026	Oct 8, 2026	v2.1.6	89,219	Open

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