Formbricks vs sendinblue (now Brevo)

Formbricks (Open Source Qualtrics Alternative) and sendinblue (now Brevo) both appear on the Smoower Developer Ecosystem Index.

Formbricks (rank #237) holds a narrow lead over sendinblue (now Brevo) (rank #372) on the overall Smoower ecosystem score (48 vs 42). The gap of 6 points reflects composite signals across code, docs, community and reach.

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

Formbricks carries 12,675 GitHub stars across 18 public repos, with 9 repositories active in the last 90 days and 6 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 Formbricks's footprint is roughly 19.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Formbricks is the stronger read for anyone weighting community. 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.