File system notes is modern notational velocity (nvALT) on steroids.

Our application respect open formats: plain/text, markdown, rtf, and stores data in file system. You can view, edit, copy data in favourite external editor and see live result in FSNotes.

• keyboard centric
• global shortcuts (clipboard save / search)
• markdown and RTF markup (files stored on disk as plain/text and rich text)
• markdown preview mode
• elastic two pane view (vertical and horizontal layout)
• blazing fast and lightweight (working fine with 10k+ files)
• open files in finder / works with external editors (changes seamless live sync with UI)
• pin/unpin important notes in top
• synchronization over iCloud Drive / Dropbox / CloudKit (for MAS version)
• multi folder storage
• fast copy markdown code to clipboard
• live markdown highligting with code blocks (over 170 languages)
• themes for code highlighting
• markdown images preview in editor
• images drag and drop

FSNotes is written on Swift 4, open source (MIT license)

Markdown files default directory:

~/Library/Containers/co.fluder.FSNotes/Data/Documents/

Of course you can change directory in preferences (i.e. Dropbox or iCloud Drive for synchronization with 1Writer)