I will try to explain why I don't want to pay for note taking apps. Just an insight, I am probably wrong. Why ramble on like this? Maybe there is someone who can point me to a nice app that I can use. The problem with most these apps is that I can't just point at a directory where the app should organise my files. I am not looking for something that saves my files to some strange (proprietary) format in an invisible…
https://github.com/HappenApps/Quiver/wiki/Quiver-Data-Format
Just some files organised in directories from a root you have stored on disk, with a simple JSON structure to describe a document.