Excalidraw vs Klaviyo

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

Excalidraw (rank #103) holds a narrow lead over Klaviyo (rank #237) on the overall Smoower ecosystem score (55 vs 48). 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), Excalidraw is slightly ahead of Klaviyo. On education (docs, guides and learning material for developers), Excalidraw is ahead of Klaviyo. On community (issue response, PR reviews and discussion health), Excalidraw is slightly ahead of Klaviyo. On reach (how visible the ecosystem is beyond its own repos), Excalidraw is slightly ahead of Klaviyo. On momentum (release cadence and how fast the ecosystem moves), Klaviyo is clearly ahead of Excalidraw.

Excalidraw carries 136,744 GitHub stars across 25 public repos, with 3 repositories active in the last 90 days and 215 external contributors on record. Klaviyo shows 573 stars across 117 public repos, 23 active in the last 90 days and 17 external contributors. The star gap on its own does not decide the comparison, but Excalidraw's footprint is roughly 238.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Excalidraw is the stronger read for anyone weighting education. Klaviyo 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.