I am quite obsessed with keeping a personal wiki, like some of these people described in the article. However, I simply cannot imagine doing that in an application that isn't controlled by me or doesn't work completely offline. I dont want my life to be organized around an application that charges a subscription and my workflow is at the whim of a corporation. I went from Zim to Dokuwiki to Bookstack (where I've been…
Have you tried Joplin? It's markdown, allows copy pasting images, embeding files like PDF with preview, works offline by syncing using apple/google/microsoft/dropbox cloud storage. Has desktop and mobile app. Free and Open Source.
You can run your own sync server and not rely on cloud storage at all (there's a docker image - very simple to set up). It also imports and exports a hierarchy of folders/markdown files, so on- and off-boarding are simple.
For many years I used plain old markdown files and either git or syncthing to ship them around, but the editing and viewing experience was never great, and sync on iOS wasn't exactly seamless.
The other big benefit is cross-note search. Previously I had to rely on the editor I was using - which was fine on a desktop with VSCode, but nonexistent on mobile.