Klaviyo vs Zammad

Klaviyo and Zammad both appear on the Smoower Developer Ecosystem Index.

Zammad (rank #152) holds a narrow lead over Klaviyo (rank #237) on the overall Smoower ecosystem score (52 vs 48). The gap of 4 points reflects composite signals across code, docs, community and reach.

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

Klaviyo carries 573 GitHub stars across 117 public repos, with 23 repositories active in the last 90 days and 17 external contributors on record. Zammad shows 6,394 stars across 11 public repos, 9 active in the last 90 days and 27 external contributors. The star gap on its own does not decide the comparison, but Zammad's footprint is roughly 11.2x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Klaviyo is the stronger read for anyone weighting reach. Zammad 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.