Typora - A minimal Markdown reading & writing app.
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Write.md - Sharable, distraction free markdown editor.
Standard Notes - A safe place for your notes, thoughts, and life's work
Moeditor - The all-purpose markdown editor built with Electron.
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.