ProNotes

If you use Apple Notes a lot - this (free!) app/plugin for it makes it 1,000% more useful and usable. It adds a formatting toolbar and inline markdown support, which makes Apple Notes feel a bit more like Ghost or Medium:

I shared this on Threads and someone pointed out another great option called NotesCmdr, which is similar but feels more like Notion:

Both make Apple Notes infinitely more enjoyable to use.