* Package name    : trilium
  Version         : 0.42.1
  Upstream Author : zadam <zadam.apps@gmail.com>
* URL             : https://github.com/zadam/trilium
* License         : AGPLv3
  Programming Lang: javascript
  Description     : hierarchical note taking application that uses Zettelkasten
method

This method allows you to connect ideas easily

https://www.reddit.com/r/Zettelkasten/comments/b566a4/what_is_a_zettelkasten/

This include server side to be able to sync from different places

The only similar package i can find is nvpy which is very limited in
functionality

This guy discusses a similar editor:
https://www.youtube.com/watch?v=vxOffM_tVHI