d2l-ai/d2l-zh vs quantopian/zipline
Both showing Mixed signals — pick on fit, not health
As of June 2026, d2l-zh and zipline both show mixed maintenance signals. d2l-zh last saw a commit 1 year ago with 17+ active contributors, while zipline last saw a commit 2 years ago with 12+ active contributors. Both use the Apache-2.0 license. 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
quantopian/zipline →
Stale — last commit 2y 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 2y ago; Scorecard "Token-Permissions" is 0/10
- ⚠Stale — last commit 2y ago
- ⚠Concentrated ownership — top contributor handles 55% of recent commits
- ⚠Scorecard: marked unmaintained (0/10)
- ✓12 active contributors
- ✓Apache-2.0 licensed
- ✓CI configured
- ✓Tests present
What would improve this?
- →Deploy as-is Mixed → Healthy if: 1 commit in the last 180 days
Maintenance signals: commit recency, contributor breadth, bus factor, license, CI, tests + OpenSSF Scorecard
Signal-by-signal breakdown
| d2l-zh | zipline | |
|---|---|---|
| Stars | 77,727 | 19,765 |
| Last commit | 1y ago | 2y ago |
| License | Apache-2.0 | Apache-2.0 |
| Open issues | 126 | 370 |
| Has tests | — | ✓ |
| Has CI | ✓ | ✓ |
| Test coverage | 0% | 82% |
| Dependency CVEs | No CVEs | No CVEs |
| Architecture grade | — | — |
| Cycles | — | — |
| Bottom-line | Mixed signals | Mixed signals |
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