Laborejo Software Suite

The Laborejo Software Suite is a collection of software I like to program in my spare time since around 2012. It consists of a few open source music tools such as a sequencer with music notation and a small pattern sequencer.

Sonoj Convention

The Sonoj Convention is an annual event in Cologne, Germany about music production with free and open source software. It features demonstrations, talks and hands-on workshops. The event was founded by me in 2017.


The" Open Source Audio Meeting Cologne" (OSAMC) is a monthly meeting about playing, recording and producing music with open source software, among other topics. It was founded by me in 2014.

A website about composing a specific, special kind of music. Most of the site is in German, however, a yearly "Challenge" is available in English as well. The site exists since 2020.