netflix/hystrix vs uber/nullaway
uber/nullaway shows stronger signals overall
As of September 2026, nullaway shows healthier maintenance signals than hystrix. nullaway rates Healthy overall while hystrix rates Mixed. hystrix last saw a commit 9 months ago with 26+ active contributors, while nullaway last saw a commit 4 months ago with 14+ active contributors. 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.
netflix/hystrix
Slowing — last commit 5mo ago
license evidence incomplete; dependency CVE scan unavailable
license evidence incomplete
Documented and popular — useful reference codebase to read through.
license evidence incomplete; dependency CVE scan unavailable
- ⚠Slowing — last commit 5mo ago
- ✓Last commit 5mo ago
- ✓26+ active contributors
- ✓Distributed ownership (top contributor 38% of recent commits)
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests
uber/nullaway
Strong maintenance signals
dependency CVE scan unavailable
No blocking repository signals were found — inspect the evidence before forking.
Documented and popular — useful reference codebase to read through.
dependency CVE scan unavailable
- ⚠Concentrated ownership — top contributor handles 76% of recent commits
- ✓Last commit 1d ago
- ✓14 active contributors
- ✓MIT licensed
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests
Signal-by-signal breakdown
| hystrix | nullaway | |
|---|---|---|
| Stars | 24,461 | 4,045 |
| Last commit | 9mo ago | 4mo ago |
| License | Unknown | MIT |
| Open issues | 56 | 150 |
| Has tests | ✓ | ✓ |
| Has CI | ✓ | ✓ |
| Test coverage | 84% | 100% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Mixed signals | Healthy signals |
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