Blackbird vs Klarna

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

Klarna (rank #257) holds a modest lead over Blackbird (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 clearly ahead of Blackbird. On education (docs, guides and learning material for developers), Klarna is ahead of Blackbird. On reach (how visible the ecosystem is beyond its own repos), Klarna is clearly ahead of Blackbird. On momentum (release cadence and how fast the ecosystem moves), Blackbird is clearly ahead of Klarna.

Blackbird carries 16 GitHub stars across 165 public repos, with 77 repositories active in the last 90 days and 6 external contributors on record. Klarna shows 2,965 stars across 139 public repos, 8 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 185.3x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Blackbird 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.