What is the simplest implementation of Markdown for a Cocoa application?

Question

I\'m writing a Cocoa application in Objective-C, and I would like to be able to incorporate Markdown. The user will enter text in Markdown syntax, click an \"export\" button

Answer 1

1. Oliver Letterer's GHMarkdownParser translate markdown to HTML.
2. Phil Toland's QLMarkdown QuickLook generator for markdown files.