37signals vs Spreedly

37signals (HEY! It's in Basecamp!) and Spreedly (Simple and secure PCI compliance and payment forwarding.) both appear on the Smoower Developer Ecosystem Index.

37signals (rank #122) holds a meaningful lead over Spreedly (rank #728) on the overall Smoower ecosystem score (54 vs 30). The gap of 24 points reflects composite signals across code, docs, community and reach.

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

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. Spreedly shows 418 stars across 67 public repos, 10 active in the last 90 days and 2 external contributors. The star gap on its own does not decide the comparison, but 37signals's footprint is roughly 272.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

37signals is the stronger read for anyone weighting community. Spreedly makes more sense for teams already using its adjacent tools. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.