sharkdp/fd vs sirupsen/napkin-math
Both showing Healthy signals — pick on fit, not health
As of June 2026, fd and napkin-math both show healthy maintenance signals. fd last saw a commit 1 month ago with 17+ active contributors, while napkin-math last saw a commit 3 months ago with 10+ active contributors. fd is Apache-2.0-licensed while napkin-math 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.
sharkdp/fd →
Healthy across the board
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 53% of recent commits
- ✓Last commit 5d ago
- ✓17 active contributors
- ✓Apache-2.0 licensed
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests
sirupsen/napkin-math →
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.
- ⚠Single-maintainer risk — top contributor 80% of recent commits
- ✓Last commit 7w ago
- ✓10 active contributors
- ✓MIT licensed
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests
Signal-by-signal breakdown
| fd | napkin-math | |
|---|---|---|
| Stars | 42,886 | 5,178 |
| Last commit | 1mo ago | 3mo ago |
| License | Apache-2.0 | MIT |
| Open issues | 182 | 9 |
| Has tests | ✓ | ✓ |
| Has CI | ✓ | ✓ |
| Test coverage | 19% | 10% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Healthy signals | Healthy signals |
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