37signals vs Sprout Social

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

37signals (rank #122) holds a modest lead over Sprout Social (rank #401) on the overall Smoower ecosystem score (54 vs 41). The gap of 13 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 Sprout Social. On education (docs, guides and learning material for developers), 37signals is slightly ahead of Sprout Social. On community (issue response, PR reviews and discussion health), 37signals is clearly ahead of Sprout Social. On reach (how visible the ecosystem is beyond its own repos), 37signals is ahead of Sprout Social. On momentum (release cadence and how fast the ecosystem moves), Sprout Social 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. Sprout Social shows 313 stars across 68 public repos, 4 active in the last 90 days and 3 external contributors. The star gap on its own does not decide the comparison, but 37signals's footprint is roughly 363.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

37signals is the stronger read for anyone weighting community. Sprout Social 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.