Pinterest vs UserTesting

Pinterest (Pinterest's Open Source Projects) and UserTesting (Real. Human. Insight.) both appear on the Smoower Developer Ecosystem Index.

Pinterest (rank #432) holds a modest lead over UserTesting (rank #692) on the overall Smoower ecosystem score (40 vs 31). The gap of 9 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Pinterest is clearly ahead of UserTesting. On education (docs, guides and learning material for developers), UserTesting is slightly ahead of Pinterest. On community (issue response, PR reviews and discussion health), Pinterest is clearly ahead of UserTesting. On reach (how visible the ecosystem is beyond its own repos), UserTesting is slightly ahead of Pinterest. On momentum (release cadence and how fast the ecosystem moves), Pinterest is clearly ahead of UserTesting.

Pinterest carries 30,742 GitHub stars across 99 public repos, with 35 repositories active in the last 90 days and 21 external contributors on record. UserTesting shows 15 stars across 119 public repos, 0 active in the last 90 days and 0 external contributors. The star gap on its own does not decide the comparison, but Pinterest's footprint is roughly 2049.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Pinterest is the stronger read for anyone weighting momentum. UserTesting looks better where reach is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.