Download of MarkdownD 4.1 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. This software for Mac OS X was originally produced by Romanysoft LAB. The application lies within Developer Tools, more precisely IDE.
From the developer:
MarkdownD can easily handle all your markdown needs: Supports export to PDF Supports printing Supports standard Markdown/CommonMark and GFM (GitHub)-flavored markdown Live preview support Supports ToC (Table of Contents), Emoji expressions, TaskLists (task map), and @Links (link) Supports decoding and filtering of HTML tags and attributes Supports TeX (LaTex expression, KaTeX), flow diagrams, and sequence diagrams Supports document-recovery mechanism Supports formatted text, code blocks, tables, code-folding, search-and-replace, multiple languages, HTML entity code - syntax highlighting
FAQ: http://github.
You may want to check out more software for Mac, such as TopCoder UML Tool, GeoServer or InfoPlistChecker, which might be related to MarkdownD.