Kandji vs Zeplin

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

Zeplin (rank #430) holds a modest lead over Kandji (rank #728) on the overall Smoower ecosystem score (40 vs 30). The gap of 10 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 Kandji. On education (docs, guides and learning material for developers), Zeplin is clearly ahead of Kandji. On community (issue response, PR reviews and discussion health), Zeplin is slightly ahead of Kandji. On reach (how visible the ecosystem is beyond its own repos), Kandji is ahead of Zeplin. On momentum (release cadence and how fast the ecosystem moves), Kandji is clearly ahead of Zeplin.

Kandji carries 387 GitHub stars across 7 public repos, with 6 repositories active in the last 90 days and 3 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 3.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Kandji 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.