37signals vs UptimeRobot

37signals (HEY! It's in Basecamp!) and UptimeRobot (Leading Uptime Monitoring Service) both appear on the Smoower Developer Ecosystem Index.

37signals (rank #122) holds a modest lead over UptimeRobot (rank #510) on the overall Smoower ecosystem score (54 vs 37). The gap of 17 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 UptimeRobot. On education (docs, guides and learning material for developers), UptimeRobot is slightly ahead of 37signals. On community (issue response, PR reviews and discussion health), 37signals is ahead of UptimeRobot. On reach (how visible the ecosystem is beyond its own repos), 37signals is clearly ahead of UptimeRobot. On momentum (release cadence and how fast the ecosystem moves), UptimeRobot 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. UptimeRobot shows 81 stars across 9 public repos, 6 active in the last 90 days and 10 external contributors. The star gap on its own does not decide the comparison, but 37signals's footprint is roughly 1405.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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