draw.io vs PostHog

draw.io (draw.io specialises in browser-based diagramming components and applications.) and PostHog (The single platform to analyze, test, observe, and deploy new features) both appear on the Smoower Developer Ecosystem Index.

PostHog (rank #30) holds a modest lead over draw.io (rank #338) on the overall Smoower ecosystem score (63 vs 43). The gap of 20 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), PostHog is clearly ahead of draw.io. On education (docs, guides and learning material for developers), draw.io is slightly ahead of PostHog. On community (issue response, PR reviews and discussion health), PostHog is slightly ahead of draw.io. On reach (how visible the ecosystem is beyond its own repos), draw.io is ahead of PostHog. On momentum (release cadence and how fast the ecosystem moves), PostHog is clearly 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. PostHog shows 40,775 stars across 357 public repos, 87 active in the last 90 days and 212 external contributors.

draw.io is the stronger read for anyone weighting reach. PostHog looks better where momentum 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.