draw.io vs Slab

draw.io (draw.io specialises in browser-based diagramming components and applications.) 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.

draw.io (rank #338) holds a narrow lead over Slab (rank #455) on the overall Smoower ecosystem score (43 vs 39). The gap of 4 points reflects composite signals across code, docs, community and reach.

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

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

draw.io is the stronger read for anyone weighting momentum. Slab 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.