Features:

• Tree view, drag-and-drop to reorder.

• An easy-to-use text editor that supports Markdown.

• Supports full-screen mode, lets you focus on writing.

• Docs can be exported as Image, PDF, Word, HTML, etc.

• Auto save while editing. You can backup all docs as a single file and restore from it later.

• Add memo for each doc.

• Focus on one node of the doc tree.

• Search in all docs.

• Automatic backup.

Compatibility: OS X 10.10 or later 64-bit

Mac App Store: https://geo.itunes.apple.com/app/id1173437104