Buffer vs Klarna

Buffer (Helping people build their business on social media since 2011) and Klarna both appear on the Smoower Developer Ecosystem Index.

Klarna (rank #257) holds a narrow lead over Buffer (rank #455) on the overall Smoower ecosystem score (47 vs 39). The gap of 8 points reflects composite signals across code, docs, community and reach.

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

Buffer carries 11,181 GitHub stars across 196 public repos, with 4 repositories active in the last 90 days and 0 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 Buffer's footprint is roughly 3.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Buffer is worth a look for teams already invested in its stack. 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.