You can use Ulysses in the proprietary format or open regular .md files. I have a folder open, so I have multiple layers of folders. It works pretty well. The p

You can use Ulysses in the proprietary format or open regular .md files. I have a folder open, so I have multiple layers of folders. It works pretty well. The proprietary is required for iCloud (if you want to share notes with the iOS app).