37signals vs Pleo

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

37signals (rank #122) holds a meaningful lead over Pleo (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 Pleo. On education (docs, guides and learning material for developers), Pleo is ahead of 37signals. On community (issue response, PR reviews and discussion health), 37signals is clearly ahead of Pleo. On reach (how visible the ecosystem is beyond its own repos), 37signals is clearly ahead of Pleo. On momentum (release cadence and how fast the ecosystem moves), Pleo is clearly 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. Pleo shows 36 stars across 34 public repos, 5 active in the last 90 days and 8 external contributors. The star gap on its own does not decide the comparison, but 37signals's footprint is roughly 3162.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

37signals is the stronger read for anyone weighting reach. Pleo 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.