- Harmonyli.ly – Harmonieanalysen für LilyPond ( REPORT of the 2019-12-07 - about FOSS, Harmonies, Musictools, Open Source, LilyPond and so on)
- LilyPond, LilyPond Snippets and the GPL: About some bad side effects. ( INSPECTION of the 2019-10-29 - about Compliance, Musictools, Open Source and so on)
- YOCTO, IoT, and the GPLv3 ( INSPECTION of the 2019-06-30 - about Compliance, FOSS, Open Source and so on)
- Kippa Solidarity in Germany ( SLIVER of the 2019-06-01 - about Solidarity and so on)
- JNIZ – or how a licensing fails ( INSPECTION of the 2019-02-17 - about Compliance, FOSS, Licensing, Open Source and so on)
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