Calendly vs Discourse

Calendly (Simple, beautiful scheduling.) and Discourse (The 100% open source discussion platform built for the next decade of the Internet.) both appear on the Smoower Developer Ecosystem Index.

Discourse (rank #190) holds a modest lead over Calendly (rank #729) on the overall Smoower ecosystem score (50 vs 30). The gap of 20 points reflects composite signals across code, docs, community and reach.

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

Calendly carries 132 GitHub stars across 29 public repos, with 0 repositories active in the last 90 days and 0 external contributors on record. Discourse shows 55,011 stars across 621 public repos, 91 active in the last 90 days and 45 external contributors. The star gap on its own does not decide the comparison, but Discourse's footprint is roughly 416.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Calendly is the stronger read for anyone weighting reach. Discourse 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.