d2l-ai/d2l-zh vs hiroi-sora/umi-ocr
Both showing Mixed signals — pick on fit, not health
As of June 2026, d2l-zh and umi-ocr both show mixed maintenance signals. d2l-zh last saw a commit 1 year ago with 17+ active contributors, while umi-ocr last saw a commit 7 months ago with 5+ active contributors. d2l-zh is Apache-2.0-licensed while umi-ocr 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.
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
Maintenance signals: commit recency, contributor breadth, bus factor, license, CI, tests
hiroi-sora/umi-ocr →
Slowing — last commit 6mo ago
no tests detected; no CI workflows 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.
- ⚠Slowing — last commit 6mo ago
- ⚠Single-maintainer risk — top contributor 80% of recent commits
- ⚠No CI workflows detected
- ⚠No test directory detected
- ✓Last commit 6mo ago
- ✓5 active contributors
- ✓MIT licensed
What would improve this?
- →Use as dependency Mixed → Healthy if: add a test suite
Maintenance signals: commit recency, contributor breadth, bus factor, license, CI, tests
Signal-by-signal breakdown
| d2l-zh | umi-ocr | |
|---|---|---|
| Stars | 77,727 | 44,028 |
| Last commit | 1y ago | 7mo ago |
| License | Apache-2.0 | MIT |
| Open issues | 126 | 338 |
| Has tests | — | — |
| Has CI | ✓ | — |
| Test coverage | 0% | 0% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Mixed signals | Mixed signals |
Want the full analysis? d2l-ai/d2l-zh · hiroi-sora/umi-ocr
Ask AI about d2l-ai/d2l-zh vs hiroi-sora/umi-ocr
Open the chat with a comparison question pre-filled.