Syncs folders directly between your own devices, with no cloud in between and encryption in transit.
Open sourceSome learning curve
Free alternative to
Code activity
- Stars
- 90,209
- Forks
- 5,582
- Open issues & PRs
- 400
- Last commit
- 2 days ago
- Latest release
- 2 weeks ago
Details
- Type
- Open source
- License
- MPL-2.0
- Written in
- GoHTMLJavaScriptShell
- Platforms
- Windows · Mac · Linux · Android
- Ease of use
- Some learning curve

Pros
- No server and no storage limits
- Files go straight from device to device
Cons
- Devices must be online at the same time to sync
- No share links for outside people
Use Syncthing instead of
Google Drive, DropboxSyncs directly between your devices without going through any cloud.
How is the 100/100 "Health" score calculated?
Dorabot computes it weekly from public GitHub data; it is not a review of software quality: 40 points for code freshness (a commit in the last 30 days earns full points), 25 points for popularity by stars, 20 points for a recent release, 15 points for the ratio of open issues to stars. 80+ is Good, 60–79 Fair, below 60 Weak.
FAQ
Is Syncthing free?
Yes. Syncthing is open source (MPL-2.0 license) and free for personal and commercial use.
Which platforms does Syncthing run on?
Syncthing is available for Windows, Mac, Linux and Android.
What can I use Syncthing instead of?
Syncthing is a free alternative to Google Drive, Dropbox.
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