Word docx to Markdown
MIT License
Convert MediaWiki pages to GitHub flavored Markdown
A cleaned-up and improved version of Michel Fortin's Markdown_Parser
A pure PHP library for reading and writing word processing documents
A WP-CLI script to convert WordPress content to Markdown
Convert HTML to Markdown with PHP
Parser for Markdown and Markdown Extra derived from the original Markdown.pl by John Gruber.
CI Markdown is a CodeIgniter library for parsing Markdown to HTML.
Better Markdown Parser in PHP