Open Source

An inspired, customer focused community, dedicated to crafting solutions that redefine our industry.

Projects

Klarna is built of Open Source Software. We know the true value of it and that’s why we always want to contribute back to the community. Here are some of the projects we’re working on.

Erlang

JavaScript

Java

Alumni

These projects were born at Klarna, but have since ventured out in the world and started living their own lives.