Hello, I’m Henning ✌️

I’m a Developer, Activist and Cooperatist based in the Ruhr area in Germany. Currently I am a worker-owner at UNI:CODE IT Solutions GmbH where I am taking the role of Full-stack Developer but also doing much more there too.


  • Decentralization of society and technology
  • Cooperatives
  • Information Retrieval
  • Cooking good simple food


  • M.Sc in Applied Computer Science, 2016

    University Duisburg-Essen

  • B.Sc in Applied Computer Science, 2013

    University Duisburg-Essen


Open Audio Search

Open Audio Search is a search engine for audio with a focus on community media and podcasts.


Sonar is a p2p database and search engine running on top of the dat stack