Adyen vs sendinblue (now Brevo)

Adyen and sendinblue (now Brevo) both appear on the Smoower Developer Ecosystem Index.

Adyen (rank #165) holds a modest lead over sendinblue (now Brevo) (rank #372) on the overall Smoower ecosystem score (51 vs 42). The gap of 9 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 sendinblue (now Brevo). On education (docs, guides and learning material for developers), sendinblue (now Brevo) is clearly ahead of Adyen. On community (issue response, PR reviews and discussion health), Adyen is clearly ahead of sendinblue (now Brevo). On reach (how visible the ecosystem is beyond its own repos), sendinblue (now Brevo) is clearly ahead of Adyen. On momentum (release cadence and how fast the ecosystem moves), Adyen is clearly ahead of sendinblue (now Brevo).

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. sendinblue (now Brevo) shows 653 stars across 37 public repos, 0 active in the last 90 days and 0 external contributors. The star gap on its own does not decide the comparison, but Adyen's footprint is roughly 4.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Adyen is the stronger read for anyone weighting momentum. sendinblue (now Brevo) 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.