Klarna vs Spreedly

Klarna and Spreedly (Simple and secure PCI compliance and payment forwarding.) both appear on the Smoower Developer Ecosystem Index.

Klarna (rank #257) holds a modest lead over Spreedly (rank #728) on the overall Smoower ecosystem score (47 vs 30). 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), Klarna is slightly ahead of Spreedly. On education (docs, guides and learning material for developers), Klarna is clearly ahead of Spreedly. On community (issue response, PR reviews and discussion health), Klarna is ahead of Spreedly. On reach (how visible the ecosystem is beyond its own repos), Klarna is clearly ahead of Spreedly. On momentum (release cadence and how fast the ecosystem moves), Spreedly is slightly 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. Spreedly shows 418 stars across 67 public repos, 10 active in the last 90 days and 2 external contributors. The star gap on its own does not decide the comparison, but Klarna's footprint is roughly 7.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Klarna is the stronger read for anyone weighting education. Spreedly 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.