37signals vs Xero Developer API

37signals (HEY! It's in Basecamp!) and Xero Developer API (Xero Developer: Powering Your Innovation and Growth. Check out our SDKs and code samples to get started with your integration.) both appear on the Smoower Developer Ecosystem Index.

37signals (rank #122) holds a modest lead over Xero Developer API (rank #338) on the overall Smoower ecosystem score (54 vs 43). The gap of 11 points reflects composite signals across code, docs, community and reach.

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

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. Xero Developer API shows 2,233 stars across 70 public repos, 11 active in the last 90 days and 37 external contributors. The star gap on its own does not decide the comparison, but 37signals's footprint is roughly 51.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

37signals is the stronger read for anyone weighting reach. Xero Developer API looks better where education 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.