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Open Source Continuous File Synchronization
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.github github: Create (syncthing#5749) May 29, 2019
assets assets: Use icon from synctrayzor (ref syncthing#4839) (syncthing#4859) Apr 2, 2018
cmd lib/connections: Add QUIC protocol support (fixes syncthing#5377) (sy… May 29, 2019
etc etc: Revert systemd addition (fixes syncthing… Apr 29, 2019
gui gui: Don't call API when no modal is open (fixes syncthing#5652) (syn… Jun 5, 2019
lib lib/build: Version 1.2 will be the Fermium Flea Jun 6, 2019
man gui, man, authors: Update docs, translations, and contributors Jun 5, 2019
meta authors: Enable auto updates (syncthing#5074) Jul 23, 2018
script docker: Create entrypoint script (fixes syncthing#5631) (syncthing#5635) May 18, 2019
test test: Report time per MiB on transfer benchs (syncthing#5711) May 18, 2019
.codecov.yml build: Add option to get test coverage (syncthing#5539) Feb 14, 2019
.gitattributes lib/protocol: Revert protobuf encoder changes in v0.14.17 (fixes sync… Jan 1, 2017
.gitignore all: Become a Go module (fixes syncthing#5148) (syncthing#5384) Dec 18, 2018
.golangci.yml golang-ci: Disable confused scopelint check May 27, 2019
AUTHORS gui, man, authors: Update docs, translations, and contributors Jun 5, 2019 conduct: Upgrade to Contributor Covenant Jun 20, 2018 all: Update docs.s.n links to use https Oct 27, 2016
Dockerfile docker: Create entrypoint script (fixes syncthing#5631) (syncthing#5635) May 18, 2019 goals: Typo Dec 12, 2017
LICENSE all: Update license url to https (ref syncthing#3976) Feb 9, 2017 docs: Correct Docker README (syncthing#5480) (syncthing#5545) Feb 25, 2019 readme: Remove old, dead link (fixes syncthing#5760) Jun 6, 2019
build.go build: Add option to get test coverage (syncthing#5539) Feb 14, 2019 authors: Enable auto updates (syncthing#5074) Jul 23, 2018
go.mod build(deps): bump (syncthing#5761) Jun 3, 2019
go.sum build(deps): bump (syncthing#5761) Jun 3, 2019
snapcraft.yaml.template build: Improve snap generation (fixes syncthing#4863, fixes syncthing… Jun 27, 2018


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Syncthing is a continuous file synchronization program. It synchronizes files between two or more computers. We strive to fulfill the goals below. The goals are listed in order of importance, the most important one being the first. This is the summary version of the goal list - for more commentary, see the full Goals document.

Syncthing should be:

  1. Safe From Data Loss

    Protecting the user's data is paramount. We take every reasonable precaution to avoid corrupting the user's files.

  2. Secure Against Attackers

    Again, protecting the user's data is paramount. Regardless of our other goals we must never allow the user's data to be susceptible to eavesdropping or modification by unauthorized parties.

  3. Easy to Use

    Syncthing should be approachable, understandable and inclusive.

  4. Automatic

    User interaction should be required only when absolutely necessary.

  5. Universally Available

    Syncthing should run on every common computer. We are mindful that the latest technology is not always available to any given individual.

  6. For Individuals

    Syncthing is primarily about empowering the individual user with safe, secure and easy to use file synchronization.

  7. Everything Else

    There are many things we care about that don't make it on to the list. It is fine to optimize for these values, as long as they are not in conflict with the stated goals above.

Getting Started

Take a look at the getting started guide.

There are a few examples for keeping Syncthing running in the background on your system in the etc directory. There are also several GUI implementations for Windows, Mac and Linux.

Vote on features/bugs

We'd like to encourage you to vote on issues that matter to you. This helps the team understand what are the biggest pain points for our users, and could potentially influence what is being worked on next.

Getting in Touch

The first and best point of contact is the Forum. There is also an IRC channel, #syncthing on freenode (with a web client), for talking directly to developers and users. If you've found something that is clearly a bug, feel free to report it in the GitHub issue tracker.


Building Syncthing from source is easy, and there's a guide that describes it for both Unix and Windows systems.

Signed Releases

As of v0.10.15 and onwards release binaries are GPG signed with the key D26E6ED000654A3E, available from and most key servers.

There is also a built in automatic upgrade mechanism (disabled in some distribution channels) which uses a compiled in ECDSA signature. macOS binaries are also properly code signed.


Please see the Syncthing documentation site.

All code is licensed under the MPLv2 License.

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