dapperlib/dapper vs hellzerg/optimizer
Both showing Mixed signals — pick on fit, not health
As of June 2026, dapper and optimizer both show mixed maintenance signals. dapper last saw a commit 1 month ago with 26+ active contributors, while optimizer last saw a commit 5 months ago with 17+ active contributors. dapper is Other-licensed while optimizer 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.
dapperlib/dapper →
Mixed signals — read the receipts
non-standard license (Other)
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 65% of recent commits
- ⚠Non-standard license (Other) — review terms
- ✓Last commit 1w ago
- ✓26+ active contributors
- ✓Other licensed
- ✓CI configured
- ✓Tests present
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
hellzerg/optimizer →
Slowing — last commit 4mo ago
copyleft license (GPL-3.0) — review compatibility; 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.
- ⚠Slowing — last commit 4mo ago
- ⚠Concentrated ownership — top contributor handles 67% of recent commits
- ⚠GPL-3.0 is copyleft — check downstream compatibility
- ⚠No test directory detected
- ✓Last commit 4mo ago
- ✓17 active contributors
- ✓GPL-3.0 licensed
- ✓CI configured
What would improve this?
- →Use as dependency Concerns → Mixed if: relicense under MIT/Apache-2.0 (rare for established libs)
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests
Signal-by-signal breakdown
| dapper | optimizer | |
|---|---|---|
| Stars | 18,284 | 18,152 |
| Last commit | 1mo ago | 5mo ago |
| License | Other | GPL-3.0 |
| Open issues | 544 | 92 |
| Has tests | ✓ | — |
| Has CI | ✓ | ✓ |
| Test coverage | 62% | 0% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Mixed signals | Mixed signals |
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