rtk-ai/rtk vs signalapp/libsignal
Both showing Healthy signals — pick on fit, not health
As of June 2026, rtk and libsignal both show healthy maintenance signals. rtk last saw a commit 1 month ago with 18+ active contributors, while libsignal last saw a commit 1 month ago with 6+ active contributors. rtk is Apache-2.0-licensed while libsignal is AGPL-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.
rtk-ai/rtk →
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.
- ⚠Concentrated ownership — top contributor handles 63% of recent commits
- ✓Last commit today
- ✓18 active contributors
- ✓Apache-2.0 licensed
- ✓CI configured
- ✓Tests present
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests
signalapp/libsignal →
Healthy across the board
copyleft license (AGPL-3.0) — review compatibility
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.
- ⚠AGPL-3.0 is copyleft — check downstream compatibility
- ✓Last commit 2d ago
- ✓6 active contributors
- ✓Distributed ownership (top contributor 48% of recent commits)
- ✓AGPL-3.0 licensed
- ✓CI configured
- ✓Tests present
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
| rtk | libsignal | |
|---|---|---|
| Stars | 43,729 | 5,737 |
| Last commit | 1mo ago | 1mo ago |
| License | Apache-2.0 | AGPL-3.0 |
| Open issues | 829 | 16 |
| Has tests | ✓ | ✓ |
| Has CI | ✓ | ✓ |
| Test coverage | 21% | 56% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Healthy signals | Healthy signals |
Want the full analysis? rtk-ai/rtk · signalapp/libsignal
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