spotify/annoy vs thealgorithms/c-plus-plus
Both showing Healthy signals — pick on fit, not health
As of June 2026, annoy and c-plus-plus both show healthy maintenance signals. annoy last saw a commit 8 months ago with 21+ active contributors, while c-plus-plus last saw a commit 8 months ago with 34+ active contributors. annoy is Apache-2.0-licensed while c-plus-plus is MIT-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.
spotify/annoy →
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 6mo ago
- ✓Last commit 6mo ago
- ✓21+ active contributors
- ✓Distributed ownership (top contributor 39% of recent commits)
- ✓Apache-2.0 licensed
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests
thealgorithms/c-plus-plus →
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 7mo ago
- ✓Last commit 7mo ago
- ✓34+ active contributors
- ✓Distributed ownership (top contributor 29% of recent commits)
- ✓MIT licensed
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests
Signal-by-signal breakdown
| annoy | c-plus-plus | |
|---|---|---|
| Stars | 14,233 | 34,206 |
| Last commit | 8mo ago | 8mo ago |
| License | Apache-2.0 | MIT |
| Open issues | 76 | 33 |
| Has tests | ✓ | ✓ |
| Has CI | ✓ | ✓ |
| Test coverage | 100% | 1% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Healthy signals | Healthy signals |
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