Klarna vs Mollie

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

Mollie (rank #122) holds a narrow lead over Klarna (rank #257) on the overall Smoower ecosystem score (54 vs 47). The gap of 7 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 Klarna. On education (docs, guides and learning material for developers), Mollie is ahead of Klarna. On community (issue response, PR reviews and discussion health), Mollie is ahead of Klarna. On reach (how visible the ecosystem is beyond its own repos), Klarna is clearly ahead of Mollie. On momentum (release cadence and how fast the ecosystem moves), Mollie is clearly ahead of Klarna.

Klarna carries 2,965 GitHub stars across 139 public repos, with 8 repositories active in the last 90 days and 2 external contributors on record. Mollie shows 2,571 stars across 85 public repos, 30 active in the last 90 days and 26 external contributors.

Klarna is the stronger read for anyone weighting reach. Mollie looks better where momentum 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.