Calendly vs OpenCart

Calendly (Simple, beautiful scheduling.) and OpenCart (PHP based open source ecommerce platform) both appear on the Smoower Developer Ecosystem Index.

OpenCart (rank #400) holds a modest lead over Calendly (rank #729) on the overall Smoower ecosystem score (41 vs 30). 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), OpenCart is ahead of Calendly. On education (docs, guides and learning material for developers), OpenCart is ahead of Calendly. On community (issue response, PR reviews and discussion health), OpenCart is clearly ahead of Calendly. On reach (how visible the ecosystem is beyond its own repos), Calendly is ahead of OpenCart. On momentum (release cadence and how fast the ecosystem moves), OpenCart 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. OpenCart shows 8,162 stars across 2 public repos, 1 active in the last 90 days and 26 external contributors. The star gap on its own does not decide the comparison, but OpenCart's footprint is roughly 61.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Calendly is the stronger read for anyone weighting reach. OpenCart looks better where community 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.