Adyen vs Mollie

Adyen 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 Adyen (rank #165) on the overall Smoower ecosystem score (54 vs 51). The gap of 3 points reflects composite signals across code, docs, community and reach.

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

Adyen carries 2,684 GitHub stars across 65 public repos, with 49 repositories active in the last 90 days and 39 external contributors on record. Mollie shows 2,571 stars across 85 public repos, 30 active in the last 90 days and 26 external contributors.

Adyen is the stronger read for anyone weighting code quality. Mollie 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.