Adyen vs Checkout.com

Adyen and Checkout.com (A collection of libraries and plugins for Checkout.com) both appear on the Smoower Developer Ecosystem Index.

Checkout.com (rank #152) holds a narrow lead over Adyen (rank #165) on the overall Smoower ecosystem score (52 vs 51). The gap of 1 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 Checkout.com. On education (docs, guides and learning material for developers), Checkout.com is slightly ahead of Adyen. On community (issue response, PR reviews and discussion health), Adyen is ahead of Checkout.com. On reach (how visible the ecosystem is beyond its own repos), Checkout.com is clearly ahead of Adyen. On momentum (release cadence and how fast the ecosystem moves), Checkout.com is ahead of Adyen.

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. Checkout.com shows 542 stars across 55 public repos, 26 active in the last 90 days and 11 external contributors. The star gap on its own does not decide the comparison, but Adyen's footprint is roughly 5.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Adyen is the stronger read for anyone weighting code quality. Checkout.com looks better where reach 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.