Calendly vs edX

Calendly (Simple, beautiful scheduling.) and edX (Online learning at https://edx.org, powered by the Open edX platform https://openedx.org) both appear on the Smoower Developer Ecosystem Index.

edX (rank #337) holds a modest lead over Calendly (rank #729) on the overall Smoower ecosystem score (43 vs 30). The gap of 13 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), edX is clearly ahead of Calendly. On education (docs, guides and learning material for developers), Calendly is ahead of edX. On community (issue response, PR reviews and discussion health), edX is ahead of Calendly. On reach (how visible the ecosystem is beyond its own repos), Calendly is ahead of edX. On momentum (release cadence and how fast the ecosystem moves), edX 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. edX shows 392 stars across 250 public repos, 52 active in the last 90 days and 22 external contributors.

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