Klaviyo vs Nulab Inc

Klaviyo and Nulab Inc (We are a small company with a big heart and all of our products are handcrafted with love.) both appear on the Smoower Developer Ecosystem Index.

Klaviyo (rank #237) holds a modest lead over Nulab Inc (rank #602) on the overall Smoower ecosystem score (48 vs 34). The gap of 14 points reflects composite signals across code, docs, community and reach.

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

Klaviyo carries 573 GitHub stars across 117 public repos, with 23 repositories active in the last 90 days and 17 external contributors on record. Nulab Inc shows 1,860 stars across 87 public repos, 6 active in the last 90 days and 12 external contributors. The star gap on its own does not decide the comparison, but Nulab Inc's footprint is roughly 3.2x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Klaviyo is the stronger read for anyone weighting reach. Nulab Inc 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.