Klaviyo vs Zeplin

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

Klaviyo (rank #237) holds a narrow lead over Zeplin (rank #430) on the overall Smoower ecosystem score (48 vs 40). The gap of 8 points reflects composite signals across code, docs, community and reach.

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

Klaviyo carries 573 GitHub stars across 117 public repos, with 23 repositories active in the last 90 days and 17 external contributors on record. Zeplin shows 1,460 stars across 57 public repos, 8 active in the last 90 days and 4 external contributors.

Klaviyo is the stronger read for anyone weighting community. 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.