GoCardless vs sendinblue (now Brevo)

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

GoCardless and sendinblue (now Brevo) sit at essentially the same overall ecosystem score (42), which is unusual and worth reading through the pillars below.

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

GoCardless carries 6,977 GitHub stars across 161 public repos, with 19 repositories active in the last 90 days and 3 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 GoCardless's footprint is roughly 10.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

GoCardless 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.