Software · Backup & sync

Syncthing

Open source continuous file synchronization software.

Completely free
Windows, macOS, Linux and Android
Open source
No account

Ad-supported exit link (Clictune): an intermediate page may show for a few seconds before the official website. Direct link to the website, no intermediate page

Download from the official source

Link to the official download page, ad-supported (Clictune): an intermediate page may show for a few seconds. Direct link to the download

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by Winget (Windows Package Manager)
License: MPL-2.0 — Open source (copyleft)confirmed by Winget (Windows Package Manager), Wikidata
Open source: Yes
Commercial use: Yesconfirmed by Official plan pages (pricing, licence, terms), Winget (Windows Package Manager)
Account required: Noconfirmed by Winget (Windows Package Manager)
Credit card required: Noconfirmed by Winget (Windows Package Manager)
Watermark: Not applicable
Ads: not documented
Platforms: Windows, macOS, Linux and AndroidEstablished by Android: Wikidata · Linux: Unspecified source · macOS: Homebrew, Unspecified source, Wikidata · Windows: Unspecified source, Wikidata, Winget
Publisher: The Syncthing Authors
Latest version: 2.1.7
Source code: github.com/syncthing/syncthing

Overview

Syncthing is a file synchronisation program, available on Windows, macOS, Linux and Android.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“Open Source Continuous File Synchronization” — Winget, 10 November 2026

At a glance

Syncthing is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (MPL-2.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
No account needed
Commercial use allowed

Sources and checks

Facts collected from Unspecified source (platforms) — 9 November 2026
Facts collected from Official plan pages (pricing, licence, terms) (commercial use) — 6 November 2026
Facts collected from Winget (Windows Package Manager) (credit card, account, source code, publisher, licence, free status, platforms, commercial use, version) — 6 November 2026
Facts collected from Homebrew (platforms) — 5 November 2026
Facts collected from Wikidata (licence, platforms) — 5 November 2026
Last technical check: 5 November 2026
Description from Wikidata — CC0 (Wikidata)

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