colinhacks/zod vs fabian-hiller/valibot
Both showing Healthy signals — pick on fit, not health
As of September 2026, zod and valibot both show healthy maintenance signals. zod last saw a commit 1 month ago with 28+ active contributors, while valibot last saw a commit 1 month ago with 35+ active contributors. Both use the MIT license. 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.
colinhacks/zod
Healthy across all four use cases
No blocking maintenance, license, or known-CVE signals were found; still verify the package version and fit.
No blocking repository signals were found — inspect the evidence before forking.
Documented and popular — useful reference codebase to read through.
No blocking repository-level signals were found; deployment review is still required.
- ⚠Concentrated ownership — top contributor handles 65% of recent commits
- ✓Last commit today
- ✓28+ active contributors
- ✓MIT licensed
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against dependency CVEs from deps.dev and OpenSSF Scorecard
fabian-hiller/valibot
Healthy across all four use cases
No blocking maintenance, license, or known-CVE signals were found; still verify the package version and fit.
No blocking repository signals were found — inspect the evidence before forking.
Documented and popular — useful reference codebase to read through.
No blocking repository-level signals were found; deployment review is still required.
- ⚠Concentrated ownership — top contributor handles 57% of recent commits
- ✓Last commit today
- ✓35+ active contributors
- ✓MIT licensed
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against dependency CVEs from deps.dev and OpenSSF Scorecard
Signal-by-signal breakdown
| zod | valibot | |
|---|---|---|
| Stars | 43,499 | 8,943 |
| Last commit | 1mo ago | 1mo ago |
| License | MIT | MIT |
| Open issues | 115 | 170 |
| Has tests | ✓ | ✓ |
| Has CI | ✓ | ✓ |
| Test coverage | 66% | 13% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Healthy signals | Healthy signals |
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