Stickies - Stickies is a PC utility written to replace Post-It-style notes left stuck to your monitor.

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.

Simple Sticky Notes - Sticky notes have long served a great purpose. Hang them around the home or office and be instantly reminded of important items in your personal or professional life... read more.

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

Microsoft Sticky Notes - A brand new Sticky Notes for Windows has arrived!

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