Caret - Better Markdown Editor for Mac / Windows / Linux
Markdown to Medium - Create Medium posts from Markdown in a snap
Dillinger - joemccann has 95 repositories available. Follow their code on GitHub.
Pine - A lightweight, modern macOS markdown editor written in Swift
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.
Typora - A minimal Markdown reading & writing app.