Tree - Write documents in tree-like organisation with Markdown
Mac CLi - OS X command line tools for developers
Markdium - Write Medium post in Markdown without pain.
Phunt - Product Hunt command line interface
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.
GitHub CLI - Official CLI tool for using GitHub from the command-line.