tray.ai vs Zeplin

tray.ai and Zeplin both appear on the Smoower Developer Ecosystem Index.

Zeplin (rank #430) holds a modest lead over tray.ai (rank #693) on the overall Smoower ecosystem score (40 vs 31). The gap of 9 points reflects composite signals across code, docs, community and reach.

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

tray.ai carries 300 GitHub stars across 49 public repos, with 2 repositories active in the last 90 days and 1 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 Zeplin's footprint is roughly 4.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

tray.ai is the stronger read for anyone weighting momentum. 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.