KAYAK vs Zeplin

KAYAK and Zeplin both appear on the Smoower Developer Ecosystem Index.

Zeplin (rank #430) holds a narrow lead over KAYAK (rank #485) on the overall Smoower ecosystem score (40 vs 38). The gap of 2 points reflects composite signals across code, docs, community and reach.

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

KAYAK carries 3,186 GitHub stars across 72 public repos, with 4 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.

KAYAK is the stronger read for anyone weighting reach. 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.