Klaviyo vs Smartsheet

Klaviyo and Smartsheet (Opensource SDKs for the Smartsheet collaborative work management platform) both appear on the Smoower Developer Ecosystem Index.

Klaviyo (rank #237) holds a narrow lead over Smartsheet (rank #338) on the overall Smoower ecosystem score (48 vs 43). The gap of 5 points reflects composite signals across code, docs, community and reach.

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

Klaviyo carries 573 GitHub stars across 117 public repos, with 23 repositories active in the last 90 days and 17 external contributors on record. Smartsheet shows 150 stars across 11 public repos, 8 active in the last 90 days and 15 external contributors. The star gap on its own does not decide the comparison, but Klaviyo's footprint is roughly 3.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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