astral-sh/ruff vs glzr-io/zebar
astral-sh/ruff shows stronger signals overall
As of June 2026, ruff shows healthier maintenance signals than zebar. ruff rates Healthy overall while zebar rates Mixed. ruff was committed to today with 21+ active contributors, while zebar last saw a commit 2 months ago with 19+ active contributors. ruff is MIT-licensed while zebar 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.
astral-sh/ruff →
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.
- ✓Last commit today
- ✓21+ active contributors
- ✓Distributed ownership (top contributor 35% 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 OpenSSF Scorecard
glzr-io/zebar →
Mixed signals — read the receipts
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.
- ⚠Concentrated ownership — top contributor handles 73% of recent commits
- ⚠GPL-3.0 is copyleft — check downstream compatibility
- ⚠No test directory detected
- ✓Last commit 5w ago
- ✓19 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
| ruff | zebar | |
|---|---|---|
| Stars | 48,249 | 2,860 |
| Last commit | today | 2mo ago |
| License | MIT | GPL-3.0 |
| Open issues | 2,036 | 66 |
| Has tests | ✓ | — |
| Has CI | ✓ | ✓ |
| Test coverage | 100% | 0% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Healthy signals | Mixed signals |
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