expressjs/express vs immerjs/immer
Both showing Healthy signals — pick on fit, not health
As of July 2026, express and immer both show healthy maintenance signals. express was committed to 3 days ago with 36+ active contributors, while immer was committed to 1 day ago with 10+ 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.
expressjs/express
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.
- ✓In RepoPilot's curated trusted-corpus (29 projects)
- ✓Last commit today
- ✓36+ active contributors
- ✓Distributed ownership (top contributor 38% of recent commits)
- ✓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
immerjs/immer
Strong maintenance signals
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.
Scorecard "Branch-Protection" is 0/10; Scorecard "Token-Permissions" is 0/10
- ⚠Scorecard: default branch unprotected (0/10)
- ✓Last commit 2d ago
- ✓10 active contributors
- ✓Distributed ownership (top contributor 41% of recent commits)
- ✓MIT licensed
- ✓CI configured
- ✓Tests present
What would improve this?
- •Deploy as-is Mixed to Healthy if: bring "Branch-Protection" to ≥3/10 (see scorecard report)
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
| express | immer | |
|---|---|---|
| Stars | 69,182 | 28,962 |
| Last commit | 3d ago | 1d ago |
| License | MIT | MIT |
| Open issues | 225 | 52 |
| Has tests | ✓ | ✓ |
| Has CI | ✓ | ✓ |
| Test coverage | 100% | 100% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | A | — |
| Cycles | 0 | — |
| Bottom-line | Healthy signals | Healthy signals |
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