37signals vs Checkout.com

37signals (HEY! It's in Basecamp!) and Checkout.com (A collection of libraries and plugins for Checkout.com) both appear on the Smoower Developer Ecosystem Index.

37signals (rank #122) holds a narrow lead over Checkout.com (rank #152) on the overall Smoower ecosystem score (54 vs 52). The gap of 2 points reflects composite signals across code, docs, community and reach.

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

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. Checkout.com shows 542 stars across 55 public repos, 26 active in the last 90 days and 11 external contributors. The star gap on its own does not decide the comparison, but 37signals's footprint is roughly 210.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

37signals is the stronger read for anyone weighting community. Checkout.com looks better where momentum 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.