ebookfoundation/free-programming-books vs karpathy/nanochat
karpathy/nanochat shows stronger signals overall
As of June 2026, nanochat shows healthier maintenance signals than free-programming-books. nanochat rates Healthy overall while free-programming-books rates Mixed. free-programming-books was committed to 3 days ago with 80+ active contributors, while nanochat last saw a commit 1 month ago with 12+ active contributors. free-programming-books is CC-BY-4.0-licensed while nanochat is MIT-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
- ✓Last commit today
- ✓80+ active contributors
- ✓Distributed ownership (top contributor 5% of recent commits)
- ✓CC-BY-4.0 licensed
- ✓CI configured
What would improve this?
- →Use as dependency Concerns → Mixed if: clarify license terms
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against OpenSSF Scorecard
karpathy/nanochat →
Healthy across all four use cases
Permissive license, no critical CVEs, actively maintained — safe to depend on.
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.
- ⚠Concentrated ownership — top contributor handles 68% of recent commits
- ⚠No CI workflows detected
- ✓Last commit 4d ago
- ✓12 active contributors
- ✓MIT licensed
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests
Signal-by-signal breakdown
| free-programming-books | nanochat | |
|---|---|---|
| Stars | 390,762 | 53,140 |
| Last commit | 3d ago | 1mo ago |
| License | CC-BY-4.0 | MIT |
| Open issues | 78 | 104 |
| Has tests | — | ✓ |
| Has CI | ✓ | — |
| Test coverage | 0% | 9% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Mixed signals | Healthy signals |
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