Calendly vs Excalidraw

Calendly (Simple, beautiful scheduling.) and Excalidraw (Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.) both appear on the Smoower Developer Ecosystem Index.

Excalidraw (rank #101) holds a meaningful lead over Calendly (rank #729) on the overall Smoower ecosystem score (55 vs 30). The gap of 25 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Excalidraw is clearly ahead of Calendly. On education (docs, guides and learning material for developers), Excalidraw is ahead of Calendly. On community (issue response, PR reviews and discussion health), Excalidraw is clearly ahead of Calendly. On reach (how visible the ecosystem is beyond its own repos), Calendly is slightly ahead of Excalidraw. On momentum (release cadence and how fast the ecosystem moves), Excalidraw is slightly 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. Excalidraw shows 136,744 stars across 25 public repos, 3 active in the last 90 days and 215 external contributors. The star gap on its own does not decide the comparison, but Excalidraw's footprint is roughly 1035.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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