Klaviyo vs Pendo

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

Klaviyo (rank #237) holds a modest lead over Pendo (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 code quality (the state of repositories, tests, releases and polish), Klaviyo is clearly ahead of Pendo. On education (docs, guides and learning material for developers), Pendo is slightly ahead of Klaviyo. On community (issue response, PR reviews and discussion health), Klaviyo is slightly ahead of Pendo. On reach (how visible the ecosystem is beyond its own repos), Klaviyo is ahead of Pendo. On momentum (release cadence and how fast the ecosystem moves), Klaviyo is slightly ahead of Pendo.

Klaviyo carries 573 GitHub stars across 117 public repos, with 23 repositories active in the last 90 days and 17 external contributors on record. Pendo shows 267 stars across 134 public repos, 18 active in the last 90 days and 6 external contributors.

Klaviyo is the stronger read for anyone weighting code quality. Pendo 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.