Duolingo vs Excalidraw

Duolingo 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 modest lead over Duolingo (rank #338) on the overall Smoower ecosystem score (55 vs 43). The gap of 12 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Excalidraw is ahead of Duolingo. On education (docs, guides and learning material for developers), Excalidraw is clearly ahead of Duolingo. On community (issue response, PR reviews and discussion health), Excalidraw is ahead of Duolingo. On reach (how visible the ecosystem is beyond its own repos), Duolingo is slightly ahead of Excalidraw. On momentum (release cadence and how fast the ecosystem moves), Duolingo is clearly ahead of Excalidraw.

Duolingo carries 1,721 GitHub stars across 12 public repos, with 8 repositories active in the last 90 days and 11 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 79.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Duolingo is the stronger read for anyone weighting momentum. Excalidraw looks better where education 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.