gchq/CyberChef

Maintenance

Active

Human commits, 30 days

9

Human commits, 90 days

54

Human commits, 365 days

217

Bot share of commits, 365 days

37%

Last commit

Oct 14, 2026 (23 hours ago)

Last human commit

Sep 26, 2026 (18 days ago)

Authors, 90 days

26

Last release

Sep 18, 2026 (26 days ago)

Median PR merge time

26 hours

Responsiveness: of 23 recent issues, 83% got a maintainer reply. Median first response: 2 days.

Sources: Commits, Releases, Merged pull requests, Issues

People

Owner

Organization

Commits sampled

217 since Oct 14, 2025

Authors for half of commits

6

Authors for 80% of commits

35

Contributors

246

Top committers

• GCHQDeveloper581: 25% of commits
• C85297: 14% of commits
• williballenthin: 4% of commits
• alleria173: 3% of commits
• p-leriche: 3% of commits

Sources: Commits, Contributors

Stars

Organic, confidence high

Bursts

• May 29, 2017 to May 30, 2017: about 32 more stars than usual, peak 22 in one day, a spike that tapers off. Outside explanation: a jump in forks.
• Mar 22, 2019 to Mar 27, 2019: about 201 more stars than usual, peak 128 in one day, a shape we can't classify. Outside explanation: a jump in forks.
• Aug 23, 2019 to Aug 26, 2019: about 241 more stars than usual, peak 172 in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in forks.
• Sep 18, 2019 to Oct 1, 2019: about 440 more stars than usual, peak 54 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Jan 27, 2020 to Jan 29, 2020: about 85 more stars than usual, peak 60 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• May 31, 2020 to Jun 2, 2020: about 58 more stars than usual, peak 36 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Sep 28, 2020 to Oct 2, 2020: about 437 more stars than usual, peak 159 in one day, a spike that tapers off. Outside explanation: a jump in forks.
• Jan 5, 2021 to Jan 6, 2021: about 56 more stars than usual, peak 50 in one day, a spike that tapers off. Outside explanation: a jump in forks.
• Jun 19, 2021 to Jun 21, 2021: about 101 more stars than usual, peak 60 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Jan 18, 2022 to Jan 28, 2022: about 1.1k more stars than usual, peak 303 in one day, a spike that tapers off. Outside explanation: a Hacker News post.
• Sep 3, 2022 to Sep 13, 2022: about 930 more stars than usual, peak 270 in one day, a shape we can't classify. Outside explanation: a Hacker News post, a jump in forks.
• Jul 18, 2023 to Jul 19, 2023: about 73 more stars than usual, peak 61 in one day, a spike that tapers off. Outside explanation: a jump in forks.
• Nov 15, 2023 to Nov 16, 2023: about 61 more stars than usual, peak 56 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
• Mar 15, 2024 to Mar 17, 2024: about 139 more stars than usual, peak 97 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Jun 13, 2024 to Jun 25, 2024: about 761 more stars than usual, peak 225 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Jul 28, 2024 to Jul 30, 2024: about 309 more stars than usual, peak 212 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.

• 3 stars GitHub has since removed (tracked since Oct 14, 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

Flags

No risk flags.

License

Now

Apache-2.0 (OSI-approved)

A year ago

Apache-2.0 (OSI-approved)

Packages

• cyberchef (NPM): latest 11.5.0, published Sep 18, 2026
  Advisories for the latest version: none listed

Package and advisory data: deps.dev and OSV.

OpenSSF Scorecard: 7.2 out of 10 (via deps.dev).

Sources: GitHub: gchq/CyberChef, deps.dev: npm cyberchef