Duolingo vs draw.io

Duolingo and draw.io (draw.io specialises in browser-based diagramming components and applications.) both appear on the Smoower Developer Ecosystem Index.

Duolingo and draw.io sit at essentially the same overall ecosystem score (43), which is unusual and worth reading through the pillars below.

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

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. draw.io shows 86,983 stars across 32 public repos, 12 active in the last 90 days and 13 external contributors. The star gap on its own does not decide the comparison, but draw.io's footprint is roughly 50.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Duolingo is the stronger read for anyone weighting code quality. draw.io 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.