shadps4-emu/shadps4 vs z3prover/z3
z3prover/z3 shows stronger signals overall
As of June 2026, z3 shows healthier maintenance signals than shadps4. z3 rates Healthy overall while shadps4 rates Mixed. shadps4 last saw a commit 1 month ago with 19+ active contributors, while z3 last saw a commit 1 month ago with 9+ active contributors. shadps4 is GPL-2.0-licensed while z3 is Other-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.
shadps4-emu/shadps4 →
Mixed signals — read the receipts
copyleft license (GPL-2.0) — 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.
- ⚠GPL-2.0 is copyleft — check downstream compatibility
- ⚠No test directory detected
- ✓Last commit today
- ✓19 active contributors
- ✓Distributed ownership (top contributor 18% of recent commits)
- ✓GPL-2.0 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
z3prover/z3 →
Healthy across the board
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.
- ⚠Non-standard license (Other) — review terms
- ✓Last commit 1d ago
- ✓9 active contributors
- ✓Distributed ownership (top contributor 28% of recent commits)
- ✓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
Signal-by-signal breakdown
| shadps4 | z3 | |
|---|---|---|
| Stars | 31,040 | 12,230 |
| Last commit | 1mo ago | 1mo ago |
| License | GPL-2.0 | Other |
| Open issues | 139 | 166 |
| Has tests | — | ✓ |
| Has CI | ✓ | ✓ |
| Test coverage | 0% | 5% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Mixed signals | Healthy signals |
Want the full analysis? shadps4-emu/shadps4 · z3prover/z3
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