1Password vs Klaviyo

1Password (1Password remembers all your passwords for you. It keeps your digital life secure and always available, safe behind the one password that only you know.) and Klaviyo both appear on the Smoower Developer Ecosystem Index.

1Password (rank #21) holds a modest lead over Klaviyo (rank #237) on the overall Smoower ecosystem score (65 vs 48). The gap of 17 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), 1Password is slightly ahead of Klaviyo. On education (docs, guides and learning material for developers), 1Password is clearly ahead of Klaviyo. On community (issue response, PR reviews and discussion health), 1Password is ahead of Klaviyo. On reach (how visible the ecosystem is beyond its own repos), 1Password is clearly ahead of Klaviyo. On momentum (release cadence and how fast the ecosystem moves), 1Password is ahead of Klaviyo.

1Password carries 12,941 GitHub stars across 96 public repos, with 38 repositories active in the last 90 days and 27 external contributors on record. Klaviyo shows 573 stars across 117 public repos, 23 active in the last 90 days and 17 external contributors. The star gap on its own does not decide the comparison, but 1Password's footprint is roughly 22.6x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

1Password is the stronger read for anyone weighting reach. Klaviyo makes more sense for teams already using its adjacent tools. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.