Mollie vs Zeplin

Mollie (Building a payments and banking stack for makers.) and Zeplin both appear on the Smoower Developer Ecosystem Index.

Mollie (rank #122) holds a modest lead over Zeplin (rank #430) on the overall Smoower ecosystem score (54 vs 40). The gap of 14 points reflects composite signals across code, docs, community and reach.

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

Mollie carries 2,571 GitHub stars across 85 public repos, with 30 repositories active in the last 90 days and 26 external contributors on record. Zeplin shows 1,460 stars across 57 public repos, 8 active in the last 90 days and 4 external contributors.

Mollie is the stronger read for anyone weighting momentum. Zeplin makes more sense for teams already using its adjacent tools. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.