Oh boy, TiddlyWiki looks amazing! I'm using Joplin right now, and the rigid structure of having notes in notebooks and sub-notebooks really starts getting in the way.
[0] https://akhater.github.io/drift/
[1] https://groups.google.com/g/tiddlywiki/c/GRkskZRzj_o/m/M0QVJ...
Are you just hosting this on a VPS?