Apps similar to MarkUpDown include Typora. It's paid, but ghostwriter and MarkText are free. Other options are Rentry.co, StackEdit, HedgeDoc and Hemingway Editor. There's no shortage of Text Editors like MarkUpDown, with more than 50 alternatives for Mac, Windows, Linux, the web and iPhone.
A minimalist Markdown editor offering cross-platform synchronization, live preview, and seamless export/import in various formats like PDF, DOCX, and LaTeX. Features include distraction-free Focus and Typewriter modes, file management with tree and articles panels, and content organization through an outline panel.
China
ghostwriter is a feature-rich text editor using Markdown syntax which makes it suitable for note-taking, document redaction, simple HTML website creation and much more.
Germany
EU
Open-source Markdown editor on Mac, Windows, and Linux offering real-time preview, clean interface, and various themes. Supports math expressions, exports HTML/PDF, allows image pasting, and more.
Singapore
Rentry.co is a markdown pastebin and publishing service with preview, custom urls and editing. Fast, simple and free.
United States
Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.
FranceEU
HedgeDoc (fcommunity-driven fork of CodiMD) is an open-source collaborative markdown editor. With HedgeDoc you can easily collaborate on notes, graphs and even presentations in real-time. All you need to do is to share your note-link to your co-workers, and they’re ready to go.
GermanyEU
United States
Writemonkey is a Windows zenware writing application with an extremely stripped down user interface, leaving you alone with your thoughts and your words.
SloveniaEU
Gingko Writer is a text editor that uses a tree-like structure to help you organize and visualize your thoughts, making it easier to outline, draft, and refine complex texts.
United States
ReText is a simple text editor for Markdown and reStructuredText documents with syntax highlighting and optional live preview.
A Markdown Text Editor to manually edit a markdown file, with instant preview of the output in a HTML Viewer.
ItalyEU
Dillinger is a cloud-enabled, mobile-ready, offline-storage, AngularJS powered HTML5 Markdown editor.
United States
