Make by native macOS technology, the pursuit of the perfect combination with the system. In principle, the first is to pursue a simple interface and high performance, and then it is powerful, easy to use, and full-featured. Use Github Flavored Markdown syntax (GFM). Supports Table, TOC, LaTeX, Fenced code block, Task lists, Footnote, etc. The Markdown graphics supports mermaid, viz, echarts, plantuml, sequence, flow. Exporting as Image, HTML, Epub, PDF, RTF, Docx. Publishing to Wordrpess, Metaweblog API, Wordpress.com, Evernote, Blogger, Medium, Tumblr. Support screenshots and paste, copy and paste, drag and drop Insert images and display them directly in the editor. Support for setting the image width when compatible with Markdown syntax. A powerful document library supports category trees and tag management documents. Documents can be categorized into multiple categories. You can export a category to Epub, PDF, and generate static websites.