37signals vs HubSpot

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

HubSpot (rank #93) holds a narrow lead over 37signals (rank #122) on the overall Smoower ecosystem score (56 vs 54). 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), 37signals is slightly ahead of HubSpot. On education (docs, guides and learning material for developers), 37signals is slightly ahead of HubSpot. On community (issue response, PR reviews and discussion health), 37signals is ahead of HubSpot. On reach (how visible the ecosystem is beyond its own repos), HubSpot is clearly ahead of 37signals. On momentum (release cadence and how fast the ecosystem moves), HubSpot is slightly 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. HubSpot shows 53,481 stars across 381 public repos, 35 active in the last 90 days and 4 external contributors.

37signals is the stronger read for anyone weighting community. HubSpot looks better where reach 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.