syncthing/syncthing

Open Source Continuous File Synchronization

89.4k stars · 5.5k forks · Go

Caution

Caution: one person wrote most of the recent commits.

Why

One person wrote 75% of human commits in the last year, so the project depends on them continuing. (source 1, source 2)

What would change this

A second person takes a substantial share of commits.

Maintenance

Complete

Active

Human commits, 30 days: 13
Human commits, 90 days: 55
Human commits, 365 days: 200
Bot share of commits, 365 days: 20%
Last commit: Oct 12, 2026 (3 days ago)
Last human commit: Oct 9, 2026 (5 days ago)
Authors, 90 days: 9
Last release: Oct 6, 2026 (9 days ago)
Median PR merge time: 4 hours

Responsiveness: of 28 recent issues, 68% got a maintainer reply. Median first response: 1 hour.

Sources: Commits, Releases, Merged pull requests, Issues

People

Complete

Owner: Organization
Commits sampled: 200 since Oct 14, 2025
Authors for half of commits: 1
Authors for 80% of commits: 4
Contributors: 350

Top committers

calmh: 75% of commits
marbens-arch: 4% of commits
imsodin: 2% of commits
maen-bn: 2% of commits
Shablone: 2% of commits

Sources: Commits, Contributors

Stars

Complete

Organic, confidence high

Bars show stars gained each week. Orange bars overlap a burst.

Bursts

Jan 2, 2014 to Jan 4, 2014: about 28 more stars than usual, peak 19 in one day, a spike that tapers off. We couldn't check for an outside explanation.
Jan 9, 2014 to Jan 9, 2014: about 12 more stars than usual, peak 12 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
May 12, 2014 to May 22, 2014: about 1.9k more stars than usual, peak 771 in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in forks.
Sep 2, 2014 to Sep 3, 2014: about 57 more stars than usual, peak 48 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Oct 9, 2014 to Oct 11, 2014: about 144 more stars than usual, peak 83 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Mar 3, 2015 to Mar 6, 2015: about 210 more stars than usual, peak 86 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Apr 14, 2015 to Apr 15, 2015: about 52 more stars than usual, peak 49 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Apr 21, 2015 to Apr 23, 2015: about 71 more stars than usual, peak 53 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Jan 3, 2017 to Jan 4, 2017: about 66 more stars than usual, peak 61 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Mar 13, 2017 to Mar 13, 2017: about 82 more stars than usual, peak 91 in one day, a spike that tapers off. Outside explanation: a jump in forks.
Aug 30, 2017 to Sep 1, 2017: about 75 more stars than usual, peak 45 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Nov 12, 2017 to Nov 15, 2017: about 99 more stars than usual, peak 47 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Jan 1, 2019 to Jan 3, 2019: about 95 more stars than usual, peak 66 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Jun 15, 2020 to Jun 22, 2020: about 219 more stars than usual, peak 59 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Nov 26, 2020 to Dec 2, 2020: about 153 more stars than usual, peak 50 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
May 13, 2021 to May 21, 2021: about 1.7k more stars than usual, peak 376 in one day, a shape we can't classify. Outside explanation: a Hacker News post, a jump in forks.
Oct 6, 2021 to Oct 9, 2021: about 286 more stars than usual, peak 154 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
Oct 14, 2021 to Oct 15, 2021: about 93 more stars than usual, peak 92 in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in forks.
Jan 7, 2022 to Jan 10, 2022: about 129 more stars than usual, peak 92 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Feb 9, 2023 to Feb 9, 2023: about 95 more stars than usual, peak 115 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
May 10, 2023 to May 16, 2023: about 731 more stars than usual, peak 207 in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in issues and pull requests.
Oct 24, 2023 to Oct 27, 2023: about 204 more stars than usual, peak 108 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
Nov 9, 2023 to Nov 9, 2023: about 90 more stars than usual, peak 111 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Jun 1, 2024 to Jun 10, 2024: about 784 more stars than usual, peak 202 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Sep 29, 2024 to Sep 30, 2024: about 88 more stars than usual, peak 93 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Oct 30, 2024 to Nov 1, 2024: about 107 more stars than usual, peak 69 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Mar 15, 2025 to Mar 17, 2025: about 224 more stars than usual, peak 141 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
May 31, 2025 to Jun 10, 2025: about 1.5k more stars than usual, peak 301 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Aug 12, 2025 to Aug 21, 2025: about 874 more stars than usual, peak 293 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Feb 21, 2026 to Feb 23, 2026: about 129 more stars than usual, peak 103 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
Apr 20, 2026 to Apr 23, 2026: about 993 more stars than usual, peak 562 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.

8 stars GitHub has since removed (tracked since Oct 13, 2026).

Anyone can buy stars for any repo; bursts alone don't prove the owner did.

The star history looks organic.

Sources: How star history is analyzed

Risk

Complete

Flags

No risk flags.

License

Now: MPL-2.0 (OSI-approved)
A year ago: MPL-2.0 (OSI-approved)

Packages

github.com/syncthing/syncthing (GO): latest v1.30.0, published Jun 20, 2025
Advisories for the latest version: none listed

Package and advisory data: deps.dev and OSV.

OpenSSF Scorecard: 5.8 out of 10 (via deps.dev).

Sources: GitHub: syncthing/syncthing, deps.dev: Go github.com/syncthing/syncthing

Badge

Add this to a README to show the current verdict:

[![RepoRadar](https://reporadar.ai/syncthing/syncthing/badge.svg)](https://reporadar.ai/syncthing/syncthing)

Earlier verdicts

Oct 14, 2026: Caution
Oct 13, 2026: Healthy
Oct 13, 2026: Healthy

Computed 19 hours ago · method 2026.10.2