Amplitude vs 37signals

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

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

Amplitude carries 3,167 GitHub stars across 151 public repos, with 39 repositories active in the last 90 days and 23 external contributors on record. 37signals shows 113,857 stars across 236 public repos, 48 active in the last 90 days and 298 external contributors. The star gap on its own does not decide the comparison, but 37signals's footprint is roughly 36.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Amplitude is the stronger read for anyone weighting momentum. 37signals 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.