Unmarkdown

MarkdownPad is a full-featured Markdown editor for Windows. Instantly see what your Markdown documents look like in HTML as you create them. While you type, LivePreview will automatically scroll to the current location you're editing. Markdown formatting can be applied (and removed) with handy keyboard shortcuts and toolbar buttons. You don't need to know anything about Markdown to use MarkdownPad! Color schemes, fonts, sizes and layouts are all customizable so you can turn MarkdownPad into your perfect editor. Change the look of your HTML documents by using your own CSS stylesheets. MarkdownPad supports multiple stylesheets and has a built-in CSS editor. The default CSS is beautiful and minimal, and will make your HTML documents look great. Quickly create ready-to-use HTML documents, or simply copy a portion of your document as HTML. MarkdownPad Pro supports multiple Markdown processing engines, including Markdown Extra (with Table support), and GitHub Flavored Markdown.

Archimedes is a Markdown and LaTeX editor built from the ground up for the Mac and designed to make mathematical writing fun and easy. At its core, Archimedes is a fully-featured plain text and Markdown editor. It includes a fast syntax highlighter and provides convenient keyboard shortcuts for common actions, such as inserting images and links. With complete support for Markdown, Archimedes makes formatting and structuring documents elegant and easy. In Math Mode, Archimedes lets you write mathematics in a subset of LaTeX, making it an approachable LaTeX editor. Just enter $$ to get started. Over 700 intuitive commands, such as \sqrt{a^2 + b^2}, help you produce stunning mathematical output. Archimedes even autocompletes commands and intelligently matches closing braces, brackets, and parenthesis as you type.