bvaughn/react-virtualized vs jamiebuilds/itsy-bitsy-data-structures
Both showing Mixed signals — pick on fit, not health
As of June 2026, react-virtualized and itsy-bitsy-data-structures both show mixed maintenance signals. react-virtualized last saw a commit 1 year ago with 33+ active contributors, while itsy-bitsy-data-structures last saw a commit 5 years ago with 25+ active contributors. react-virtualized is MIT-licensed while itsy-bitsy-data-structures is CC-BY-4.0-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.
bvaughn/react-virtualized →
Stale — last commit 1y ago
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.
last commit was 1y ago; Scorecard "Branch-Protection" is 0/10…
- ⚠Stale — last commit 1y ago
- ⚠Scorecard: marked unmaintained (1/10)
- ⚠Scorecard: default branch unprotected (0/10)
- ✓33+ active contributors
- ✓Distributed ownership (top contributor 31% of recent commits)
- ✓MIT licensed
- ✓CI configured
- ✓Tests present
What would improve this?
- →Deploy as-is Mixed → Healthy if: 1 commit in the last 180 days; bring "Branch-Protection" to ≥3/10 (see scorecard report)
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against OpenSSF Scorecard
jamiebuilds/itsy-bitsy-data-structures →
Stale — last commit 5y ago
non-standard license (CC-BY-4.0); last commit was 5y ago…
Has a license, tests, and CI — clean foundation to fork and modify.
Documented and popular — useful reference codebase to read through.
last commit was 5y ago; Scorecard "Branch-Protection" is 0/10…
- ⚠Stale — last commit 5y ago
- ⚠Non-standard license (CC-BY-4.0) — review terms
- ⚠No CI workflows detected
- ⚠Scorecard: marked unmaintained (0/10)
- ⚠Scorecard: default branch unprotected (0/10)
- ✓25+ active contributors
- ✓Distributed ownership (top contributor 19% of recent commits)
- ✓CC-BY-4.0 licensed
- ✓Tests present
What would improve this?
- →Use as dependency Concerns → Mixed if: clarify license terms
- →Deploy as-is Mixed → Healthy if: 1 commit in the last 180 days; bring "Branch-Protection" to ≥3/10 (see scorecard report)
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against OpenSSF Scorecard
Signal-by-signal breakdown
| react-virtualized | itsy-bitsy-data-structures | |
|---|---|---|
| Stars | 27,072 | 8,578 |
| Last commit | 1y ago | 5y ago |
| License | MIT | CC-BY-4.0 |
| Open issues | 0 | 14 |
| Has tests | ✓ | ✓ |
| Has CI | ✓ | — |
| Test coverage | 3% | 100% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Mixed signals | Mixed signals |
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