Observed arrival · 2026-10-17

Porchlamp ranks open-source projects by how they treat pull requests

porchlamp.org Visit website

Editorial interest 82/100 Selection signal · not a rating of the site

The site compares open-source repositories using measures of contributor response, project criticality, governance, rigor, and accessibility—not star counts.

Landing page captured for the 2026-10-17 issue.

For: Open-source contributors choosing projects to join
Worth noticing: The snapshot lists 4,322 ranked repositories, alongside 5,381 gated and 1,297 unrated; tiers are capped below 95% parameter coverage.

Field notes

The scoring model groups 18 parameters into responsiveness, criticality, governance, rigor, and accessibility, with each pillar assigned a percentage weight. It includes newcomer-specific measures such as first-timer merge rate and return rate, while excluding archived, unmaintained, unlicensed, and non-software projects from ranking. The page also says tiers are capped when parameter coverage falls below 95%.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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