Buno - Simple Note Taking - Simple, minimal & easy note-taking

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.

Chars - Unicode Symbols Keyboard for iOS

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

QuickJots - Jot down quick notes and auto-save them with QuickJots. Use GitHub Flavoured Markdown to easily embed images, or even task-lists to track to-dos. It's private — all notes stay local; no login or downloads are needed. There's a dark mode too!

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