OpenZeppelin/openzeppelin-contracts

Maintenance

Active

Human commits, 30 days

19

Human commits, 90 days

85

Human commits, 365 days

203

Bot share of commits, 365 days

20%

Last commit

Oct 13, 2026 (1 day ago)

Last human commit

Oct 13, 2026 (1 day ago)

Authors, 90 days

9

Last release

Jul 29, 2026 (2 months ago)

Median PR merge time

20 hours

Responsiveness: of 9 recent issues, 56% got a maintainer reply. Median first response: 1 hour.

Sources: Commits, Releases, Merged pull requests, Issues

People

Owner

Organization

Commits sampled

203 since Oct 14, 2025

Authors for half of commits

2

Authors for 80% of commits

4

Contributors

435

Top committers

• Amxx: 49% of commits
• ernestognw: 22% of commits
• arr00: 6% of commits
• james-toussaint: 5% of commits
• luiz-lvj: 4% of commits

Sources: Commits, Contributors

Stars

Organic, confidence high

Bursts

• Sep 15, 2016 to Sep 16, 2016: about 26 more stars than usual, peak 14 in one day, a spike that tapers off. Outside explanation: a jump in forks.
• Jan 9, 2018 to Jan 9, 2018: about 42 more stars than usual, peak 51 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Jun 11, 2018 to Jun 12, 2018: about 49 more stars than usual, peak 42 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Jul 20, 2021 to Jul 20, 2021: about 57 more stars than usual, peak 68 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Nov 24, 2021 to Nov 25, 2021: about 79 more stars than usual, peak 62 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Jan 17, 2022 to Jan 18, 2022: about 74 more stars than usual, peak 79 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Feb 7, 2022 to Feb 7, 2022: about 61 more stars than usual, peak 86 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Apr 6, 2024 to Apr 7, 2024: about 54 more stars than usual, peak 51 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Sep 7, 2025 to Sep 8, 2025: about 61 more stars than usual, peak 53 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.

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

MIT (OSI-approved)

A year ago

MIT (OSI-approved)

Packages

No published packages found.

OpenSSF Scorecard: 6.2 out of 10 (via deps.dev).

Sources: GitHub: OpenZeppelin/openzeppelin-contracts