Customer IO vs Excalidraw

Customer IO 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 #103) holds a narrow lead over Customer IO (rank #165) on the overall Smoower ecosystem score (55 vs 51). The gap of 4 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 Customer IO. On education (docs, guides and learning material for developers), Customer IO is ahead of Excalidraw. On community (issue response, PR reviews and discussion health), Excalidraw is ahead of Customer IO. On reach (how visible the ecosystem is beyond its own repos), Excalidraw is slightly ahead of Customer IO. On momentum (release cadence and how fast the ecosystem moves), Customer IO is clearly ahead of Excalidraw.

Customer IO carries 684 GitHub stars across 107 public repos, with 42 repositories active in the last 90 days and 26 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 199.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Customer IO is the stronger read for anyone weighting momentum. 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.