37signals vs Engineering at Fullstory

37signals (HEY! It's in Basecamp!) and Engineering at Fullstory (Fullstory APIs and Open-Source Projects) both appear on the Smoower Developer Ecosystem Index.

37signals (rank #122) holds a meaningful lead over Engineering at Fullstory (rank #625) on the overall Smoower ecosystem score (54 vs 33). The gap of 21 points reflects composite signals across code, docs, community and reach.

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

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. Engineering at Fullstory shows 19,439 stars across 63 public repos, 19 active in the last 90 days and 15 external contributors. The star gap on its own does not decide the comparison, but 37signals's footprint is roughly 5.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

37signals is the stronger read for anyone weighting reach. Engineering at Fullstory looks better where community 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.