Adyen vs Kajabi

Adyen and Kajabi both appear on the Smoower Developer Ecosystem Index.

Adyen (rank #165) holds a modest lead over Kajabi (rank #662) on the overall Smoower ecosystem score (51 vs 32). The gap of 19 points reflects composite signals across code, docs, community and reach.

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

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. Kajabi shows 99 stars across 103 public repos, 8 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 27.1x 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. Kajabi 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.