Simple notes management

• All plain text, no database
• Self-contained notebooks, infinite levels of folders, plain notes
• Tags and attachments
• Explore and edit external files

Your data belongs to you

• All files on your local disk
• One notebook is exactly one directory
• Work from anywhere seamlessly via third-party service of your choice

Concentrate on your notes

• In-place preview or side-by-side live preview
• Focus on your note in both read and edit mode

Pleasant Markdown experience

• Minimized gap between read and write of Markdown
• Syntax highlights and in-place preview
• Effective images management
• Interactive outline
• UML diagrams, flowcharts, and math formulas

Highly customizable interface

• Themes and styles
• Shortcuts and behaviors

By programmers, for programmers

• Vi mode and Vi-like navigation
• Line number in editor
• Multiple tabs
• Window splits
• Fuzzy search and jump
• Versatile shortcuts