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.

Mochi - Write notes and flashcards with Markdown and study them with spaced repetition.

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

Inkdrop - The note-taking app with robust Markdown editor, supporting macOS, Windows, and Linux.

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

Markdown for Microsoft Word - Work with markdown in Microsoft Word. In app and online