Syncthing

syncthing.net · checked 14 Nov 2026

#10 · File Sync Software

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How it plugs in

—Public API

NoOpen source

YesFree tier

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Syncthing synchronizes files between two or more computers in real time.

Pricing

SyncthingNo stated limitsFree

As syncthing.net lists them, checked 14 Nov 2026.

Near it

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Runs on

Web
Windows
Mac
Linux
iOS
Android

Facts

Website: syncthing.net
Price: Free tier
Free trial: No
Browser interface: Syncthing can be configured and monitored through a browser-accessible interface.
Community help: The project documentation directs users seeking help to its community forum.
Data storage: Syncthing says user data stays on the user's computers rather than being stored on a central server.
Device authentication: Devices are identified by strong cryptographic certificates, and only explicitly allowed devices can connect.
Downloads: The official downloads page offers builds for Windows, macOS, FreeBSD, OpenBSD, NetBSD, illumos, and source code.
Encryption: Communication is secured using TLS, including perfect forward secrecy.
Folder sharing: Users can synchronize as many folders as needed with other people or their own devices.
iOS limitation: The documentation says the Syncthing team has no plans to officially support iOS in the foreseeable future.
Maker: The Syncthing Foundation is a registered Swedish non-profit foundation.
Networking: Syncthing is designed to work over LAN and the internet without requiring IP addresses or advanced configuration.
Open protocol: Syncthing uses a documented protocol.
Open source: The project's source code is available on GitHub.

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