RepoPilot

astral-sh/ruff vs nrc/r4cppp

astral-sh/ruff shows stronger signals overall

As of June 2026, ruff shows healthier maintenance signals than r4cppp. ruff rates Healthy overall while r4cppp rates Mixed. ruff was committed to today with 21+ active contributors, while r4cppp last saw a commit 2 years ago with 34+ active contributors. ruff is MIT-licensed while r4cppp 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.

astral-sh/ruff

Healthy

Healthy across the board

HealthyDependency

Permissive license, no critical CVEs, actively maintained — safe to depend on.

HealthyFork & modify

Has a license, tests, and CI — clean foundation to fork and modify.

HealthyLearn from

Documented and popular — useful reference codebase to read through.

HealthyDeploy as-is

No critical CVEs, sane security posture — runnable as-is.

  • Last commit today
  • 21+ active contributors
  • Distributed ownership (top contributor 35% of recent commits)
  • MIT licensed
  • CI configured
  • Tests present

Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against OpenSSF Scorecard

nrc/r4cppp

Mixed

Stale — last commit 2y ago

ConcernsDependency

non-standard license (Other); last commit was 2y ago…

HealthyFork & modify

Has a license, tests, and CI — clean foundation to fork and modify.

HealthyLearn from

Documented and popular — useful reference codebase to read through.

MixedDeploy as-is

last commit was 2y ago; no CI workflows detected

  • Stale — last commit 2y ago
  • Non-standard license (Other) — review terms
  • No CI workflows detected
  • No test directory detected
  • 34+ active contributors
  • Distributed ownership (top contributor 43% of recent commits)
  • Other licensed

What would improve this?

  • Use as dependency ConcernsMixed if: clarify license terms
  • Deploy as-is MixedHealthy if: 1 commit in the last 180 days

Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests

Signal-by-signal breakdown

ruffr4cppp
Stars48,2493,834
Last committoday2y ago
LicenseMITOther
Open issues2,03660
Has tests
Has CI
Test coverage100%0%
Dependency CVEsNo CVEsNo CVEs
Architecture grade
Cycles
Bottom-lineHealthy signalsMixed signals

Want the full analysis? astral-sh/ruff · nrc/r4cppp

Ask AI about astral-sh/ruff vs nrc/r4cppp

Open the chat with a comparison question pre-filled.