Calendly vs Zscaler, Inc.

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

Zscaler, Inc. (rank #299) holds a modest lead over Calendly (rank #729) on the overall Smoower ecosystem score (45 vs 30). The gap of 15 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Zscaler, Inc. is clearly ahead of Calendly. On education (docs, guides and learning material for developers), Zscaler, Inc. is ahead of Calendly. On community (issue response, PR reviews and discussion health), Zscaler, Inc. is clearly ahead of Calendly. On reach (how visible the ecosystem is beyond its own repos), Calendly is ahead of Zscaler, Inc.. On momentum (release cadence and how fast the ecosystem moves), Zscaler, 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. Zscaler, Inc. shows 337 stars across 58 public repos, 33 active in the last 90 days and 11 external contributors.

Calendly is the stronger read for anyone weighting reach. Zscaler, Inc. looks better where code quality 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.