Markdown to PDF - Super simple way to get your markdown files to PDF
Slavery Footprint - See how many slaves work for you based on real data
Markdown Here - Google Chrome, Firefox, and Thunderbird extension that lets you write email in Markdown and render...
Equal Parts - Cookware with on-demand guidance.
Mochi - Write notes and flashcards with Markdown and study them with spaced repetition.
OaSense - A smart shower head with a sensor