zeromq/libzmq
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
For zeromq/libzmq, the reply time has too small a sample to measure (0 pull requests counted; 10 needed). 53% of 17 outside pull requests got no reply within 14 days (20 April to 17 October 2026). It ranks 2,025 of 3,219 overall. For first-time contributors it ranks 1,215 of 1,525 (the bottom 21%).
| Rank | 2,025 of 3,219 |
|---|---|
| Score | 46.95 |
| Tier | C |
| Median first reply | — |
| 14-day no-reply share | 53% |
| First-timer rank | 1,215 of 1,525 |
| Ecosystem | C and C++ |
| Window | 20 April to 17 October 2026 |
Composite
- Rank
- 2,025 of 3,219
- Score
- 46.95
- Tier
- C
- Coverage
- 79% · Ceiling B
- Quadrant
- Nursery
Coordinates: leverage 44.3 (coverage 93%), friction 49.3 (coverage 62%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 41.8 | 45% |
| Criticality | 37.7 | 100% |
| Governance | 64.2 | 65% |
| Rigor | 42.1 | 100% |
| Accessibility | 52.8 | 100% |
The measured parameters
Responsiveness
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days. | Not shown: Insufficient sample size | ||||
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 52.9% | 0.0 | 17 | 20 April to 17 October 2026 | primaryraw/pr_window/zeromq__libzmq.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 73.3% | 91.7 | 15 | — | primaryraw/author_history/zeromq__libzmq.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | Not shown: Insufficient sample size | ||||
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 1659.0 hours (69.1 days) | 4.7 | 10 | 18 April to 15 October 2026 | primaryraw/pr_window/zeromq__libzmq.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | Not shown: Not applicable | ||||
| Monthly DownloadsDownloads from the package registry in a month. | Not shown: Not applicable | ||||
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.3769 | 37.7 | — | — | proxy:no_dependents_signalraw/github_meta/zeromq__libzmq.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | Not shown: Insufficient sample size | ||||
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | No CLA or sign-off found | 85.0 | — | — | primaryraw/governance/zeromq__libzmq.json |
| Promotion LadderHow openly a contributor can become a maintainer, from closed to verified. | No written path to becoming a maintainer | 40.0 | — | — | primaryraw/governance/zeromq__libzmq.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | No written AI policy | 40.0 | — | — | primaryraw/governance/zeromq__libzmq.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 67.5 | 67.5 | — | — | primaryraw/scorecard/zeromq__libzmq.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 8.3% | 10.4 | 12 | 18 April to 15 October 2026 | primaryraw/pr_window/zeromq__libzmq.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 85 | 85.0 | 30 | — | primaryraw/actions_runs/zeromq__libzmq.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 54.6% | 100.0 | 11 | — | primaryraw/author_history/zeromq__libzmq.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/zeromq__libzmq.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | 16.7% | 33.3 | 6 | — | primaryraw/author_history/zeromq__libzmq.json |
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 2,025 of 3,219 | 46.95 | C | Rated |
| First-timer | 1,215 of 1,525 | 48.07 | C | Rated |
| Career capital | This repository's production-criticality signal is not yet high enough for career-capital ranking. | |||
| Senior systems | 906 of 1,276 | 46.58 | C | Rated |
| AI-assisted | 2,487 of 3,696 | 45.55 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- 29a435bee2432498a47fe7f2e966e678334f0fea4f930cbf1461883c531b3736
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/69.json, under the key zeromq/libzmq.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). zeromq/libzmq. Snapshot 2026-10-17. https://porchlamp.org/projects/zeromq/libzmq/. CC BY 4.0.
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