NotePlan - Make plans inside an individual markdown note for every day in your calendar. Use it as a journal for your daily tasks and plan todos in advance. For Mac, iPhone and iPad.

Docbase - Render your markdown documentation into beautiful sites

Markdown to PDF - Super simple way to get your markdown files to PDF

Caret - Better Markdown Editor for Mac / Windows / Linux

UnMarkDocs - Unleash the Power of Markdown to Write Better Product Documentation

Markdown Here - Google Chrome, Firefox, and Thunderbird extension that lets you write email in Markdown and render...