Typora - A minimal Markdown reading & writing app.

WriteNext - The writing application that boosts your writing. Increase focus and writing performance and reduce distractions by separating your creative writing from other activities. Let writing be the only activity you perform in the writing application.

Dillinger - joemccann has 95 repositories available. Follow their code on GitHub.

Writebox - Writebox is a simple and distraction-free text editor for Chrome and iPhone/iPad.

StackEdit - Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.

Calmly Writer - Distraction-free text editor for Mac, Windows, Linux and ChromeOS.