Buffer vs draw.io

Buffer (Helping people build their business on social media since 2011) and draw.io (draw.io specialises in browser-based diagramming components and applications.) both appear on the Smoower Developer Ecosystem Index.

draw.io (rank #338) holds a narrow lead over Buffer (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), Buffer is slightly ahead of draw.io. On education (docs, guides and learning material for developers), draw.io is slightly ahead of Buffer. On community (issue response, PR reviews and discussion health), draw.io is clearly ahead of Buffer. On reach (how visible the ecosystem is beyond its own repos), draw.io is clearly ahead of Buffer. On momentum (release cadence and how fast the ecosystem moves), draw.io is clearly ahead of Buffer.

Buffer carries 11,181 GitHub stars across 196 public repos, with 4 repositories active in the last 90 days and 0 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 7.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Buffer is the stronger read for anyone weighting code quality. draw.io looks better where community 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.