PorchlampFind the projects that leave the light on.2026-10-17

signalapp/Signal-Desktop

JavaScript

What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.

For signalapp/Signal-Desktop, the reply time has too small a sample to measure (0 pull requests counted; 10 needed). 89% of 36 outside pull requests got no reply within 14 days (20 April to 17 October 2026). It ranks 2,490 of 3,219 overall. It is not ranked for first-time contributors: this repository does not show a low enough barrier for a first-time contributor.

Key facts
Rank2,490 of 3,219
Score42.37
TierC
Median first reply—
14-day no-reply share89%
First-timer rankThis repository does not show a low enough barrier for a first-time contributor.
EcosystemJavaScript
Window20 April to 17 October 2026

Composite

Rank
2,490 of 3,219
Score
42.37
Tier
C
Coverage
72% · Ceiling B
Quadrant
Crucible

Coordinates: leverage 52.1 (coverage 68%), friction 63.0 (coverage 77%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness32.660%
Criticality59.535%
Governance59.3100%
Rigor35.0100%
Accessibility15.085%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days.62.5%78.11610 April to 9 July 2026primaryraw/pr_window/signalapp__Signal-Desktop.json
PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days.88.9%0.03620 April to 17 October 2026primaryraw/pr_window/signalapp__Signal-Desktop.json
First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged.0.0%0.036—primaryraw/author_history/signalapp__Signal-Desktop.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.Not shown: Insufficient sample size

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.Not shown: Third-party data unavailable
Monthly DownloadsDownloads from the package registry in a month.Not shown: Third-party data unavailable
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.595159.5——proxy:no_dependents_signalraw/github_meta/signalapp__Signal-Desktop.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.250.0995—primaryraw/commits_365d/signalapp__Signal-Desktop.json
Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA.No CLA or sign-off found85.0——primaryraw/governance/signalapp__Signal-Desktop.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/signalapp__Signal-Desktop.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/signalapp__Signal-Desktop.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.57.557.5——primaryraw/scorecard/signalapp__Signal-Desktop.json
Substantive Review RateShare of decided pull requests that received a substantive review.0.0%0.05510 April to 7 October 2026primaryraw/pr_window/signalapp__Signal-Desktop.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.8585.07—primaryraw/actions_runs/signalapp__Signal-Desktop.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.0.0%0.018—primaryraw/author_history/signalapp__Signal-Desktop.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/signalapp__Signal-Desktop.json
Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days.Not shown: Insufficient sample size

Persona view

PersonaRankScoreTierStatus
Balanced2,490 of 3,21942.37CRated
First-timerThis repository does not show a low enough barrier for a first-time contributor.
Career capitalThis repository's production-criticality signal is not yet high enough for career-capital ranking.
Senior systemsFewer than 3 organizations account for most commits (not multi-vendor).
AI-assisted2,988 of 3,69641.05CRated

Integrity

Snapshot
2026-10-17
Raw hash
5d4a1c44c5c10a5f8cb9d01f9809d5cbe7ee2513d83ef4f638143a5e4dae134c

closed_unread

The full record is in data/2026-10-17/repos/df.json, under the key signalapp/Signal-Desktop.

How every number is measured: Porchlamp methodology.

Open an issue about this record and say what looks wrong.

Porchlamp (2026). signalapp/Signal-Desktop. Snapshot 2026-10-17. https://porchlamp.org/projects/signalapp/signal-desktop/. CC BY 4.0.

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