justjavac/free-programming-books-zh_CN

Maintenance

Steady

Human commits, 30 days

0

Human commits, 90 days

24

Human commits, 365 days

24

Bot share of commits, 365 days

0%

Last commit

Jul 29, 2026 (2 months ago)

Last human commit

Jul 29, 2026 (2 months ago)

Authors, 90 days

13

Last release

Nov 5, 2018 (7 years ago)

Median PR merge time

101 days

Too few recent issues to measure responsiveness.

• Issues are disabled, so response time is not measured.

Sources: Commits, Releases, Merged pull requests, Issues

People

Owner

Personal account

Commits sampled

24 since Oct 14, 2025

Authors for half of commits

1

Authors for 80% of commits

9

Contributors

130

Top committers

• justjavac: 50% of commits
• aoright: 4% of commits
• avonyu: 4% of commits
• dougunduzii: 4% of commits
• FingerLiu: 4% of commits

Sources: Commits, Contributors

Stars

Mostly organic, confidence high

Bursts

• Mar 17, 2014 to Mar 18, 2014: about 48 more stars than usual, peak 37 in one day, a spike that tapers off. Outside explanation: a jump in forks.
• Nov 3, 2014 to Nov 7, 2014: about 512 more stars than usual, peak 278 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• May 27, 2015 to May 28, 2015: about 117 more stars than usual, peak 93 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Aug 19, 2015 to Aug 20, 2015: about 86 more stars than usual, peak 55 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Dec 1, 2015 to Dec 3, 2015: about 73 more stars than usual, peak 53 in one day, a shape we can't classify. Outside explanation: a jump in forks.
• Mar 8, 2016 to Mar 10, 2016: about 72 more stars than usual, peak 51 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Jun 16, 2016 to Jun 17, 2016: about 198 more stars than usual, peak 168 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
• Jul 21, 2016 to Jul 22, 2016: about 65 more stars than usual, peak 49 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Nov 10, 2016 to Nov 10, 2016: about 74 more stars than usual, peak 91 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Nov 17, 2016 to Nov 21, 2016: about 218 more stars than usual, peak 84 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
• Jul 10, 2017 to Jul 12, 2017: about 92 more stars than usual, peak 58 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Aug 22, 2017 to Aug 31, 2017: about 1.3k more stars than usual, peak 331 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
• Oct 14, 2017 to Oct 21, 2017: about 451 more stars than usual, peak 125 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Nov 5, 2018 to Nov 8, 2018: about 446 more stars than usual, peak 200 in one day, a spike that tapers off. Outside explanation: a new release.
• Mar 14, 2019 to Mar 14, 2019: about 112 more stars than usual, peak 159 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Aug 8, 2019 to Aug 11, 2019: about 314 more stars than usual, peak 167 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Nov 10, 2019 to Nov 14, 2019: about 444 more stars than usual, peak 242 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Dec 26, 2019 to Dec 27, 2019: about 215 more stars than usual, peak 189 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Nov 25, 2020 to Dec 4, 2020: about 541 more stars than usual, peak 151 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Nov 2, 2021 to Nov 3, 2021: about 128 more stars than usual, peak 97 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Dec 14, 2021 to Dec 23, 2021: about 688 more stars than usual, peak 152 in one day, a shape we can't classify. We couldn't check for an outside explanation.
• Mar 26, 2022 to Apr 1, 2022: about 1.4k more stars than usual, peak 484 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Jun 26, 2022 to Jun 28, 2022: about 138 more stars than usual, peak 100 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Nov 6, 2022 to Nov 8, 2022: about 86 more stars than usual, peak 59 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Dec 30, 2022 to Jan 8, 2023: about 359 more stars than usual, peak 106 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Jan 30, 2023 to Feb 3, 2023: about 193 more stars than usual, peak 110 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Apr 4, 2023 to Apr 9, 2023: about 449 more stars than usual, peak 198 in one day, a shape we can't classify. We couldn't check for an outside explanation.
• Jul 15, 2023 to Jul 19, 2023: about 225 more stars than usual, peak 91 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Dec 14, 2023 to Dec 17, 2023: about 105 more stars than usual, peak 70 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Jul 6, 2024 to Jul 11, 2024: about 276 more stars than usual, peak 122 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Mar 23, 2025 to Mar 24, 2025: about 56 more stars than usual, peak 44 in one day, a spike that tapers off. We couldn't check for an outside explanation.
• Jul 18, 2026 to Jul 23, 2026: about 330 more stars than usual, peak 146 in one day, a spike that tapers off. We couldn't check for an outside explanation.

• 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.

• Anyone can buy stars for any repo, so this describes the star history only.
• Engagement is not compared for non-code or mirror repositories.

Sources: How star history is analyzed

Risk

Flags

No risk flags.

License

Now

GPL-3.0 (OSI-approved)

A year ago

GPL-3.0 (OSI-approved)

Packages

No published packages found.

OpenSSF Scorecard: 4.5 out of 10 (via deps.dev).

Sources: GitHub: justjavac/free-programming-books-zh_CN