MacDown is an open-source Markdown editor for macOS. It is designed to make writing and reading Markdown documents as easy as possible. The app features an intuitive and minimalistic user interface, with features such as syntax highlighting, spell checking, auto-completion, tabbed editing, and more. It also includes a live preview feature so you can see how your document will look in real-time. MacDown also includes support for exporting to PDF, HTML, and other formats. With its powerful features, MacDown is the ideal tool for anyone who needs to create, edit, and share Markdown documents quickly and easily.
Discontinued The program seems to be no longer updated. The latest version, 2.5, released in December 2014, can still be downloaded from the official website.