If you're looking for something that integrates the Markdown output in the same pane, I'd look at Qute, which is a Markdown editor for Windows/Mac that lets you edit individual paragraphs as Markdown then switches them back to preview.
If you're looking for something that integrates the Markdown output in the same pane, I'd look at Qute, which is a Markdown editor for Windows/Mac that lets you edit individual paragraphs as Markdown then switches them back to preview.