draw.io vs Zeplin

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

draw.io (rank #338) holds a narrow lead over Zeplin (rank #430) on the overall Smoower ecosystem score (43 vs 40). The gap of 3 points reflects composite signals across code, docs, community and reach.

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

draw.io carries 86,983 GitHub stars across 32 public repos, with 12 repositories active in the last 90 days and 13 external contributors on record. Zeplin shows 1,460 stars across 57 public repos, 8 active in the last 90 days and 4 external contributors. The star gap on its own does not decide the comparison, but draw.io's footprint is roughly 59.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

draw.io is the stronger read for anyone weighting reach. Zeplin 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.