Calendly vs Fillout

Calendly (Simple, beautiful scheduling.) and Fillout both appear on the Smoower Developer Ecosystem Index.

Fillout (rank #512) holds a narrow lead over Calendly (rank #729) on the overall Smoower ecosystem score (37 vs 30). The gap of 7 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Fillout is slightly ahead of Calendly. On community (issue response, PR reviews and discussion health), Fillout is clearly ahead of Calendly. On reach (how visible the ecosystem is beyond its own repos), Calendly is slightly ahead of Fillout. On momentum (release cadence and how fast the ecosystem moves), Fillout is 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. Fillout shows 2 stars across 9 public repos, 2 active in the last 90 days and 2 external contributors. The star gap on its own does not decide the comparison, but Calendly's footprint is roughly 66.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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