37signals vs Skyscanner

37signals (HEY! It's in Basecamp!) and Skyscanner both appear on the Smoower Developer Ecosystem Index.

37signals (rank #122) holds a narrow lead over Skyscanner (rank #209) on the overall Smoower ecosystem score (54 vs 49). The gap of 5 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Skyscanner is ahead of 37signals. On education (docs, guides and learning material for developers), Skyscanner is ahead of 37signals. On community (issue response, PR reviews and discussion health), 37signals is ahead of Skyscanner. On reach (how visible the ecosystem is beyond its own repos), 37signals is clearly ahead of Skyscanner. On momentum (release cadence and how fast the ecosystem moves), 37signals is slightly ahead of Skyscanner.

37signals carries 113,857 GitHub stars across 236 public repos, with 48 repositories active in the last 90 days and 298 external contributors on record. Skyscanner shows 8,167 stars across 86 public repos, 18 active in the last 90 days and 39 external contributors. The star gap on its own does not decide the comparison, but 37signals's footprint is roughly 13.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

37signals is the stronger read for anyone weighting reach. Skyscanner looks better where education 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.