Klaviyo vs Meltwater

Klaviyo and Meltwater (We harness the world’s data in real time to unlock our customer’s competitive edge.) both appear on the Smoower Developer Ecosystem Index.

Klaviyo (rank #237) holds a modest lead over Meltwater (rank #625) on the overall Smoower ecosystem score (48 vs 33). The gap of 15 points reflects composite signals across code, docs, community and reach.

On education (docs, guides and learning material for developers), Meltwater is slightly ahead of Klaviyo. On community (issue response, PR reviews and discussion health), Klaviyo is clearly ahead of Meltwater. On momentum (release cadence and how fast the ecosystem moves), Klaviyo is clearly ahead of Meltwater.

Klaviyo carries 573 GitHub stars across 117 public repos, with 23 repositories active in the last 90 days and 17 external contributors on record. Meltwater shows 196 stars across 22 public repos, 6 active in the last 90 days and 1 external contributors.

Klaviyo is the stronger read for anyone weighting community. Meltwater 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.