Duo Security vs Klarna
Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.
Duo Security and Klarna both appear on the Smoower Developer Ecosystem Index.
Klarna (rank #257) holds a narrow lead over Duo Security (rank #278) on the overall Smoower ecosystem score (47 vs 46). The gap of 1 points reflects composite signals across code, docs, community and reach.
On code quality (the state of repositories, tests, releases and polish), Duo Security is slightly ahead of Klarna. On education (docs, guides and learning material for developers), Klarna is slightly ahead of Duo Security. On community (issue response, PR reviews and discussion health), Klarna is slightly ahead of Duo Security. On reach (how visible the ecosystem is beyond its own repos), Klarna is clearly ahead of Duo Security. On momentum (release cadence and how fast the ecosystem moves), Duo Security is clearly ahead of Klarna.
Duo Security carries 1,477 GitHub stars across 52 public repos, with 15 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.
Duo Security 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.
Side-by-side metrics
| Metric | Duo Security | Klarna |
|---|---|---|
| Ranking | ||
| Overall rank | #278 | #257 |
| Pillars | ||
| Overall | 46 | 47 |
| Code | 63 | 57 |
| Education | 69 | 76 |
| Community | 30 | 31 |
| Reach | 24 | 64 |
| Momentum | 58 | 16 |
| Builder experience | 0 | 0 |
| Signals | ||
| Stars | 1,477 | 2,965 |
| Forks | 1,092 | 737 |
| Public repos | 52 | 139 |
| Active repos (90d) | 15 | 8 |
| External contributors | 6 | 2 |
| Avg polish | 66 | 53 |
| Avg AI-readiness | 43 | 38 |