Excalidraw vs Slab

Excalidraw (Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.) and Slab (Making the workplace a source of learning and purpose through knowledge-sharing. We're hiring!) both appear on the Smoower Developer Ecosystem Index.

Excalidraw (rank #103) holds a modest lead over Slab (rank #455) on the overall Smoower ecosystem score (55 vs 39). The gap of 16 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 Slab. On education (docs, guides and learning material for developers), Excalidraw is ahead of Slab. On community (issue response, PR reviews and discussion health), Excalidraw is ahead of Slab. On reach (how visible the ecosystem is beyond its own repos), Excalidraw is ahead of Slab. On momentum (release cadence and how fast the ecosystem moves), Excalidraw is slightly ahead of Slab.

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. Slab shows 49,433 stars across 28 public repos, 0 active in the last 90 days and 8 external contributors.

Excalidraw is the stronger read for anyone weighting reach. Slab makes more sense for teams already using its adjacent tools. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.