google/re2 vs shadps4-emu/shadps4
google/re2 shows stronger signals overall
As of June 2026, re2 shows healthier maintenance signals than shadps4. re2 rates Healthy overall while shadps4 rates Mixed. re2 last saw a commit 5 months ago with 6+ active contributors, while shadps4 last saw a commit 1 month ago with 19+ active contributors. re2 is BSD-3-Clause-licensed while shadps4 is GPL-2.0-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.
google/re2 →
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.
- ⚠Slowing — last commit 4mo ago
- ✓Last commit 4mo ago
- ✓6 active contributors
- ✓Distributed ownership (top contributor 49% of recent commits)
- ✓BSD-3-Clause licensed
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests
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
Signal-by-signal breakdown
| re2 | shadps4 | |
|---|---|---|
| Stars | 9,660 | 31,040 |
| Last commit | 5mo ago | 1mo ago |
| License | BSD-3-Clause | GPL-2.0 |
| Open issues | 42 | 139 |
| Has tests | ✓ | — |
| Has CI | ✓ | ✓ |
| Test coverage | 100% | 0% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Healthy signals | Mixed signals |
Want the full analysis? google/re2 · shadps4-emu/shadps4
Ask AI about google/re2 vs shadps4-emu/shadps4
Open the chat with a comparison question pre-filled.