draw.io vs Zulip

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

draw.io (rank #338) holds a narrow lead over Zulip (rank #536) on the overall Smoower ecosystem score (43 vs 36). The gap of 7 points reflects composite signals across code, docs, community and reach.

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

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. Zulip shows 32,299 stars across 67 public repos, 9 active in the last 90 days and 76 external contributors.

draw.io is the stronger read for anyone weighting reach. Zulip looks better where code quality 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.