KAYAK vs Klarna

KAYAK and Klarna both appear on the Smoower Developer Ecosystem Index.

Klarna (rank #257) holds a modest lead over KAYAK (rank #485) on the overall Smoower ecosystem score (47 vs 38). The gap of 9 points reflects composite signals across code, docs, community and reach.

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

KAYAK carries 3,186 GitHub stars across 72 public repos, with 4 repositories active in the last 90 days and 1 external contributors on record. Klarna shows 2,965 stars across 139 public repos, 8 active in the last 90 days and 2 external contributors.

KAYAK is the stronger read for anyone weighting momentum. Klarna looks better where reach 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.