d2l-ai/d2l-zh vs programthink/zhao
d2l-ai/d2l-zh shows stronger signals overall
As of June 2026, d2l-zh shows stronger maintenance signals than zhao. d2l-zh rates Mixed overall while zhao rates Concerns. d2l-zh last saw a commit 1 year ago with 17+ active contributors, while zhao last saw a commit 4 years ago with 1+ active contributor. d2l-zh is Apache-2.0-licensed while zhao is GPL-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.
d2l-ai/d2l-zh →
Stale — last commit 2y ago
last commit was 2y ago; no tests detected
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.
- ⚠Stale — last commit 2y ago
- ⚠Concentrated ownership — top contributor handles 61% of recent commits
- ⚠No test directory detected
- ✓17 active contributors
- ✓Apache-2.0 licensed
- ✓CI configured
What would improve this?
- →Use as dependency Mixed → Healthy if: 1 commit in the last 365 days
Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests
programthink/zhao →
Looks unmaintained — solo project with stale commits
copyleft license (GPL-3.0) — review compatibility; last commit was 5y ago…
no tests detected; no CI workflows detected…
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
- ⚠Solo or near-solo (1 contributor active in recent commits)
- ⚠GPL-3.0 is copyleft — check downstream compatibility
- ⚠No CI workflows detected
- ⚠No test directory detected
- ⚠Scorecard: marked unmaintained (0/10)
- ⚠Scorecard: default branch unprotected (0/10)
- ✓GPL-3.0 licensed
What would improve this?
- →Use as dependency Concerns → Mixed if: relicense under MIT/Apache-2.0 (rare for established libs); 1 commit in the last 365 days
- →Fork & modify Mixed → Healthy if: add a test suite
- →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
| d2l-zh | zhao | |
|---|---|---|
| Stars | 77,727 | 13,984 |
| Last commit | 1y ago | 4y ago |
| License | Apache-2.0 | GPL-3.0 |
| Open issues | 126 | 384 |
| Has tests | — | — |
| Has CI | ✓ | — |
| Test coverage | 0% | 0% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Mixed signals | Concerns signals |
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