Comment by podviaznikov

yeah, it's easier to made them now then before.

I've made myself two editors recently:

https://wander.md - WYSIWYG editor that works on mac, iphone and iPad and has semantic versioning backend in.

https://original.me - fully native macOS editor that uses Apple Notes as backend.

those are ver interesting to build, but also way more possible. I think it would have take me years before.