Developer ecosystem comparison
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Klarna vs Starling Bank

Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.

Klarna and Starling Bank both appear on the Smoower Developer Ecosystem Index.

Klarna (rank #257) holds a modest lead over Starling Bank (rank #625) on the overall Smoower ecosystem score (47 vs 33). 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), Klarna is slightly ahead of Starling Bank. On education (docs, guides and learning material for developers), Klarna is clearly ahead of Starling Bank. On community (issue response, PR reviews and discussion health), Klarna is clearly ahead of Starling Bank. On reach (how visible the ecosystem is beyond its own repos), Klarna is slightly ahead of Starling Bank. On momentum (release cadence and how fast the ecosystem moves), Starling Bank is clearly ahead of Klarna.

Klarna carries 2,965 GitHub stars across 139 public repos, with 8 repositories active in the last 90 days and 2 external contributors on record. Starling Bank shows 195 stars across 3 public repos, 3 active in the last 90 days and 0 external contributors. The star gap on its own does not decide the comparison, but Klarna's footprint is roughly 15.2x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Klarna is the stronger read for anyone weighting community. Starling Bank looks better where momentum 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.

Side-by-side metrics

MetricKlarnaStarling Bank
Ranking
Overall rank#257#625
Pillars
Overall4733
Code5750
Education7655
Community319
Reach6463
Momentum1648
Builder experience00
Signals
Stars2,965195
Forks73729
Public repos1393
Active repos (90d)83
External contributors20
Avg polish5358
Avg AI-readiness3814

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