Calendly vs Instructure, Inc.

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

Instructure, Inc. (rank #317) holds a modest lead over Calendly (rank #729) on the overall Smoower ecosystem score (44 vs 30). The gap of 14 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Instructure, Inc. is clearly ahead of Calendly. On education (docs, guides and learning material for developers), Calendly is slightly ahead of Instructure, Inc.. On community (issue response, PR reviews and discussion health), Instructure, Inc. is clearly ahead of Calendly. On reach (how visible the ecosystem is beyond its own repos), Calendly is clearly ahead of Instructure, Inc.. On momentum (release cadence and how fast the ecosystem moves), Instructure, Inc. 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. Instructure, Inc. shows 10,186 stars across 212 public repos, 37 active in the last 90 days and 29 external contributors. The star gap on its own does not decide the comparison, but Instructure, Inc.'s footprint is roughly 77.2x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Calendly is the stronger read for anyone weighting reach. Instructure, Inc. 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.