iluwatar/java-design-patterns

Maintenance

Steady

Human commits, 30 days

0

Human commits, 90 days

14

Human commits, 365 days

44

Bot share of commits, 365 days

55%

Last commit

Sep 13, 2026 (1 month ago)

Last human commit

Sep 13, 2026 (1 month ago)

Authors, 90 days

12

Last release

none found

Median PR merge time

2 days

Responsiveness: of 6 recent issues, 83% got a maintainer reply. Median first response: 12 hours.

• Most commits in the last year come from bots.

Sources: Commits, Releases, Merged pull requests, Issues

People

Owner

Personal account

Commits sampled

44 since Oct 14, 2025

Authors for half of commits

11

Authors for 80% of commits

25

Contributors

410

Top committers

• iluwatar: 18% of commits
• OrbisAI Security: 7% of commits
• Mukul-Howale: 5% of commits
• ylcn91: 5% of commits
• alex052525: 2% of commits

Sources: Commits, Contributors

Stars

Mostly organic, confidence high

Bursts

• Sep 13, 2014 to Sep 20, 2014: about 150 more stars than usual, peak 40 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Jan 12, 2015 to Jan 16, 2015: about 235 more stars than usual, peak 80 in one day, a spike that tapers off. Outside explanation: a jump in forks.
• Mar 9, 2015 to Mar 20, 2015: about 1k more stars than usual, peak 237 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• May 13, 2015 to May 15, 2015: about 123 more stars than usual, peak 83 in one day, a spike that tapers off. Outside explanation: a jump in forks.
• Jul 13, 2016 to Jul 15, 2016: about 246 more stars than usual, peak 137 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Sep 1, 2016 to Sep 4, 2016: about 86 more stars than usual, peak 51 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
• May 18, 2017 to May 20, 2017: about 119 more stars than usual, peak 94 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
• Aug 28, 2017 to Sep 7, 2017: about 1.9k more stars than usual, peak 639 in one day, a spike that tapers off. Outside explanation: a Hacker News post.
• Jul 19, 2019 to Jul 25, 2019: about 676 more stars than usual, peak 269 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Oct 7, 2019 to Oct 8, 2019: about 64 more stars than usual, peak 69 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Jan 1, 2020 to Jan 9, 2020: about 558 more stars than usual, peak 164 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
• Mar 9, 2020 to Mar 12, 2020: about 229 more stars than usual, peak 91 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
• Apr 23, 2020 to Apr 27, 2020: about 166 more stars than usual, peak 65 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
• Jul 29, 2020 to Aug 9, 2020: about 658 more stars than usual, peak 209 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
• Jan 24, 2021 to Jan 25, 2021: about 123 more stars than usual, peak 108 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Jan 31, 2021 to Feb 1, 2021: about 165 more stars than usual, peak 149 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Apr 21, 2021 to Apr 22, 2021: about 96 more stars than usual, peak 97 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• May 16, 2021 to May 27, 2021: about 1.1k more stars than usual, peak 235 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
• Dec 6, 2021 to Dec 7, 2021: about 87 more stars than usual, peak 91 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Jan 7, 2022 to Jan 13, 2022: about 264 more stars than usual, peak 97 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
• Mar 2, 2022 to Mar 3, 2022: about 114 more stars than usual, peak 100 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
• May 17, 2022 to May 18, 2022: about 111 more stars than usual, peak 99 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Oct 11, 2022 to Oct 12, 2022: about 63 more stars than usual, peak 69 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Nov 27, 2022 to Nov 30, 2022: about 213 more stars than usual, peak 136 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
• Jan 30, 2023 to Feb 2, 2023: about 191 more stars than usual, peak 99 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
• May 18, 2024 to May 31, 2024: about 734 more stars than usual, peak 155 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
• Jul 27, 2024 to Aug 2, 2024: about 241 more stars than usual, peak 98 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
• May 5, 2025 to May 6, 2025: about 120 more stars than usual, peak 97 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
• Jul 28, 2026 to Jul 31, 2026: about 243 more stars than usual, peak 86 in one day, a flat block of stars. 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.

• Some star bursts have no matching forks, issues, releases, or launch coverage.
• Anyone can buy stars for any repo, so this describes the star history only.

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: 5.4 out of 10 (via deps.dev).

Sources: GitHub: iluwatar/java-design-patterns