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.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Mochi - Write notes and flashcards with Markdown and study them with spaced repetition.
Standard Notes - A safe place for your notes, thoughts, and life's work
Inkdrop - The note-taking app with robust Markdown editor, supporting macOS, Windows, and Linux.
Whimsical - The visual workspace for teams.