EbookFoundation/free-programming-books

:books: Freely available programming books

399k stars · 66.9k forks · Python

Healthy

Healthy: actively maintained by 59 people, no known risks.

Why

No rule fired.

What would change this

A dormant maintenance status, a deprecated or archived package, a successor link, or a critical advisory would change this.

Maintenance

Complete

Active

Human commits, 30 days: 42
Human commits, 90 days: 81
Human commits, 365 days: 434
Bot share of commits, 365 days: 2%
Last commit: Oct 12, 2026 (2 days ago)
Last human commit: Oct 12, 2026 (2 days ago)
Authors, 90 days: 59
Last release: none found
Median PR merge time: 36 hours

Responsiveness: of 22 recent issues, 73% got a maintainer reply. Median first response: 20 hours.

Sources: Commits, Releases, Merged pull requests, Issues

People

Complete

Owner: Organization
Commits sampled: 434 since Oct 14, 2025
Authors for half of commits: 41
Authors for 80% of commits: 149
Contributors: 431

Top committers

enguy-hub: 5% of commits
girdharagrawalbro: 3% of commits
Madin-H23: 3% of commits
maulanaaghnii: 2% of commits
RUIZEN9: 2% of commits

The top committer changed during this period.

Sources: Commits, Contributors

Stars

Complete

Mostly organic, confidence high

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

Bursts

Dec 27, 2013 to Jan 3, 2014: about 1k more stars than usual, peak 207 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Feb 5, 2014 to Feb 7, 2014: about 480 more stars than usual, peak 305 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Apr 3, 2014 to Apr 4, 2014: about 84 more stars than usual, peak 82 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Apr 9, 2014 to Apr 20, 2014: about 2.7k more stars than usual, peak 1.5k in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Jun 25, 2014 to Jun 26, 2014: about 83 more stars than usual, peak 73 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Aug 4, 2014 to Aug 11, 2014: about 470 more stars than usual, peak 167 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Sep 14, 2014 to Sep 15, 2014: about 171 more stars than usual, peak 107 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Oct 10, 2014 to Oct 17, 2014: about 288 more stars than usual, peak 109 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Dec 16, 2014 to Dec 19, 2014: about 455 more stars than usual, peak 266 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Feb 3, 2015 to Feb 26, 2015: about 2.3k more stars than usual, peak 492 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Apr 7, 2015 to Apr 7, 2015: about 50 more stars than usual, peak 75 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
May 7, 2015 to May 13, 2015: about 370 more stars than usual, peak 114 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Sep 28, 2015 to Oct 2, 2015: about 217 more stars than usual, peak 107 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Nov 7, 2015 to Nov 13, 2015: about 591 more stars than usual, peak 201 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Nov 16, 2015 to Nov 19, 2015: about 205 more stars than usual, peak 102 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Nov 22, 2015 to Nov 25, 2015: about 172 more stars than usual, peak 94 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Mar 6, 2016 to Mar 8, 2016: about 148 more stars than usual, peak 115 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Apr 3, 2016 to Apr 4, 2016: about 160 more stars than usual, peak 138 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Jun 13, 2016 to Jun 13, 2016: about 50 more stars than usual, peak 86 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Jul 5, 2016 to Jul 15, 2016: about 2.6k more stars than usual, peak 1.1k in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Jul 28, 2016 to Aug 9, 2016: about 2k more stars than usual, peak 388 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Dec 29, 2016 to Jan 7, 2017: about 1.7k more stars than usual, peak 631 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Mar 18, 2017 to Mar 23, 2017: about 497 more stars than usual, peak 280 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Mar 27, 2017 to Apr 5, 2017: about 1.1k more stars than usual, peak 311 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Aug 3, 2017 to Aug 4, 2017: about 107 more stars than usual, peak 128 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Sep 26, 2017 to Sep 27, 2017: about 471 more stars than usual, peak 403 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Jun 9, 2018 to Jun 13, 2018: about 457 more stars than usual, peak 206 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Aug 13, 2018 to Aug 16, 2018: about 235 more stars than usual, peak 136 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
Oct 21, 2018 to Oct 23, 2018: about 207 more stars than usual, peak 129 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Mar 28, 2019 to Apr 3, 2019: about 1.2k more stars than usual, peak 385 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Jul 29, 2019 to Aug 1, 2019: about 285 more stars than usual, peak 139 in one day, a flat block of stars. Outside explanation: a jump in issues and pull requests.
Aug 29, 2019 to Sep 1, 2019: about 186 more stars than usual, peak 119 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Nov 22, 2019 to Nov 25, 2019: about 435 more stars than usual, peak 237 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
Jan 10, 2020 to Jan 16, 2020: about 553 more stars than usual, peak 169 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Feb 9, 2020 to Feb 11, 2020: about 176 more stars than usual, peak 113 in one day, a flat block of stars. Outside explanation: a jump in issues and pull requests.
Feb 25, 2020 to Feb 27, 2020: about 166 more stars than usual, peak 108 in one day, a flat block of stars. No outside explanation found, so this burst is unexplained.
Apr 1, 2020 to Apr 20, 2020: about 4.1k more stars than usual, peak 661 in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in issues and pull requests.
May 25, 2020 to May 28, 2020: about 799 more stars than usual, peak 535 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Aug 8, 2020 to Aug 10, 2020: about 555 more stars than usual, peak 310 in one day, a flat block of stars. Outside explanation: a jump in issues and pull requests.
Aug 28, 2020 to Sep 3, 2020: about 1.2k more stars than usual, peak 337 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Oct 11, 2020 to Oct 16, 2020: about 1.4k more stars than usual, peak 313 in one day, a flat block of stars. Outside explanation: a jump in issues and pull requests.
Nov 1, 2020 to Nov 1, 2020: about 188 more stars than usual, peak 251 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Nov 15, 2020 to Nov 19, 2020: about 766 more stars than usual, peak 283 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Dec 13, 2020 to Dec 14, 2020: about 561 more stars than usual, peak 398 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
Jan 16, 2021 to Jan 18, 2021: about 497 more stars than usual, peak 291 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
Jan 25, 2021 to Jan 28, 2021: about 732 more stars than usual, peak 380 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
Feb 6, 2021 to Feb 9, 2021: about 855 more stars than usual, peak 315 in one day, a flat block of stars. Outside explanation: a jump in issues and pull requests.
Feb 15, 2021 to Feb 19, 2021: about 617 more stars than usual, peak 366 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Mar 24, 2021 to Mar 26, 2021: about 455 more stars than usual, peak 296 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Apr 24, 2021 to Apr 29, 2021: about 1.8k more stars than usual, peak 475 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
May 5, 2021 to May 6, 2021: about 246 more stars than usual, peak 288 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
May 26, 2021 to Jun 7, 2021: about 1.7k more stars than usual, peak 311 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Aug 15, 2021 to Aug 16, 2021: about 203 more stars than usual, peak 224 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Aug 27, 2021 to Sep 8, 2021: about 2.1k more stars than usual, peak 408 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Oct 25, 2021 to Oct 26, 2021: about 192 more stars than usual, peak 207 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Nov 14, 2021 to Nov 15, 2021: about 191 more stars than usual, peak 206 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
Nov 26, 2021 to Dec 14, 2021: about 2.5k more stars than usual, peak 360 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
Mar 2, 2022 to Mar 10, 2022: about 2k more stars than usual, peak 512 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Mar 27, 2022 to Mar 29, 2022: about 581 more stars than usual, peak 338 in one day, a flat block of stars. Outside explanation: a jump in issues and pull requests.
Jun 13, 2022 to Jun 14, 2022: about 314 more stars than usual, peak 233 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Jun 27, 2022 to Jul 5, 2022: about 1k more stars than usual, peak 272 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Sep 12, 2022 to Sep 15, 2022: about 623 more stars than usual, peak 311 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Nov 16, 2022 to Nov 22, 2022: about 879 more stars than usual, peak 311 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
Jan 30, 2023 to Feb 6, 2023: about 1.5k more stars than usual, peak 453 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
Apr 2, 2023 to Apr 13, 2023: about 1.9k more stars than usual, peak 435 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
May 14, 2023 to May 18, 2023: about 497 more stars than usual, peak 239 in one day, a flat block of stars. Outside explanation: a jump in issues and pull requests.
May 23, 2023 to May 23, 2023: about 72 more stars than usual, peak 165 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
Jun 5, 2023 to Jun 12, 2023: about 987 more stars than usual, peak 281 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Jun 27, 2023 to Jul 4, 2023: about 952 more stars than usual, peak 260 in one day, a flat block of stars. Outside explanation: a jump in issues and pull requests.
Jul 17, 2023 to Jul 27, 2023: about 6.2k more stars than usual, peak 2.6k in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Sep 29, 2023 to Oct 10, 2023: about 993 more stars than usual, peak 241 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Oct 22, 2023 to Oct 26, 2023: about 992 more stars than usual, peak 389 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Jan 14, 2024 to Jan 15, 2024: about 141 more stars than usual, peak 188 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
Jan 19, 2024 to Jan 29, 2024: about 1.7k more stars than usual, peak 455 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
Feb 26, 2024 to Feb 26, 2024: about 180 more stars than usual, peak 280 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Mar 2, 2024 to Mar 4, 2024: about 712 more stars than usual, peak 434 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
May 26, 2024 to May 29, 2024: about 384 more stars than usual, peak 224 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Jun 23, 2024 to Jun 28, 2024: about 841 more stars than usual, peak 291 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Jul 1, 2024 to Jul 16, 2024: about 2.2k more stars than usual, peak 349 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Sep 1, 2024 to Sep 2, 2024: about 148 more stars than usual, peak 200 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Sep 30, 2024 to Oct 4, 2024: about 502 more stars than usual, peak 224 in one day, a flat block of stars. Outside explanation: a jump in issues and pull requests.
Nov 21, 2024 to Nov 29, 2024: about 1.6k more stars than usual, peak 324 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
Dec 18, 2024 to Dec 20, 2024: about 438 more stars than usual, peak 280 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
Dec 28, 2024 to Jan 9, 2025: about 3.4k more stars than usual, peak 1.2k in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
Mar 10, 2025 to Mar 13, 2025: about 640 more stars than usual, peak 303 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
May 4, 2025 to May 6, 2025: about 488 more stars than usual, peak 323 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
Jun 23, 2025 to Jul 3, 2025: about 1.4k more stars than usual, peak 475 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Aug 21, 2025 to Aug 27, 2025: about 578 more stars than usual, peak 269 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Sep 19, 2025 to Sep 25, 2025: about 1.4k more stars than usual, peak 426 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Oct 18, 2025 to Oct 24, 2025: about 1.5k more stars than usual, peak 454 in one day, a shape we can't classify. Outside explanation: a Hacker News post, a jump in issues and pull requests.
Feb 1, 2026 to Feb 4, 2026: about 378 more stars than usual, peak 340 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
Apr 26, 2026 to Apr 30, 2026: about 1.2k more stars than usual, peak 509 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.
Jul 12, 2026 to Jul 15, 2026: about 343 more stars than usual, peak 201 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.

14 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

Complete

Flags

No risk flags.

License

Now: CC-BY-4.0
A year ago: CC-BY-4.0

Packages

No published packages found.

OpenSSF Scorecard: 4.7 out of 10 (via deps.dev).

Sources: GitHub: EbookFoundation/free-programming-books

Badge

Add this to a README to show the current verdict:

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Earlier verdicts

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

Computed 20 hours ago · method 2026.10.2