ebookfoundation/free-programming-books vs xtekky/gpt4free
Both showing Mixed signals — pick on fit, not health
As of June 2026, free-programming-books and gpt4free both show mixed maintenance signals. free-programming-books was committed to 1 day ago with 79+ active contributors, while gpt4free was committed to 4 days ago with 8+ active contributors. free-programming-books is CC-BY-4.0-licensed while gpt4free is GPL-3.0-licensed. Neither has known critical or high-severity CVEs in its dependency tree.
Informational only. RepoPilot summarises public signals at the time of analysis. Not professional, security, or legal advice.
ebookfoundation/free-programming-books →
Mixed signals — read the receipts
non-standard license (CC-BY-4.0); no tests detected
Has a license, tests, and CI — clean foundation to fork and modify.
Documented and popular — useful reference codebase to read through.
No critical CVEs, sane security posture — runnable as-is.
- ⚠Non-standard license (CC-BY-4.0) — review terms
- ⚠No test directory detected
- ⚠Scorecard: default branch unprotected (0/10)
- ✓Last commit 1d ago
- ✓79+ active contributors
- ✓Distributed ownership (top contributor 7% of recent commits)
- ✓CC-BY-4.0 licensed
- ✓CI configured
What would improve this?
- →Use as dependency Concerns → Mixed if: clarify license terms
Maintenance signals: commit recency, contributor breadth, bus factor, license, CI, tests + OpenSSF Scorecard
xtekky/gpt4free →
Mixed signals — read the receipts
copyleft license (GPL-3.0) — review compatibility
Has a license, tests, and CI — clean foundation to fork and modify.
Documented and popular — useful reference codebase to read through.
Scorecard "Branch-Protection" is 0/10; 8 cyclic import chains — pervasive coupling
- ⚠Concentrated ownership — top contributor handles 71% of recent commits
- ⚠GPL-3.0 is copyleft — check downstream compatibility
- ⚠Scorecard: default branch unprotected (0/10)
- ✓Last commit 3d ago
- ✓8 active contributors
- ✓GPL-3.0 licensed
- ✓CI configured
- ✓Tests present
What would improve this?
- →Use as dependency Concerns → Mixed if: relicense under MIT/Apache-2.0 (rare for established libs)
- →Deploy as-is Mixed → Healthy if: bring "Branch-Protection" to ≥3/10 (see scorecard report)
Maintenance signals: commit recency, contributor breadth, bus factor, license, CI, tests + OpenSSF Scorecard
Signal-by-signal breakdown
| free-programming-books | gpt4free | |
|---|---|---|
| Stars | 390,434 | 66,344 |
| Last commit | 1d ago | 4d ago |
| License | CC-BY-4.0 | GPL-3.0 |
| Open issues | 79 | 2 |
| Has tests | — | ✓ |
| Has CI | ✓ | ✓ |
| Test coverage | 0% | 7% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | C | C |
| Cycles | 0 | 8 |
| Bottom-line | Mixed signals | Mixed signals |
Want the full analysis? ebookfoundation/free-programming-books · xtekky/gpt4free
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