sendinblue (now Brevo) vs Slab

sendinblue (now Brevo) and Slab (Making the workplace a source of learning and purpose through knowledge-sharing. We're hiring!) both appear on the Smoower Developer Ecosystem Index.

sendinblue (now Brevo) (rank #372) holds a narrow lead over Slab (rank #455) on the overall Smoower ecosystem score (42 vs 39). The gap of 3 points reflects composite signals across code, docs, community and reach.

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

sendinblue (now Brevo) carries 653 GitHub stars across 37 public repos, with 0 repositories active in the last 90 days and 0 external contributors on record. Slab shows 49,433 stars across 28 public repos, 0 active in the last 90 days and 8 external contributors. The star gap on its own does not decide the comparison, but Slab's footprint is roughly 75.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

sendinblue (now Brevo) is the stronger read for anyone weighting education. Slab looks better where community 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.