StackEdit
Open Source
StackEdit is a full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.
OmPad
Free
OmPad is a free minimal writing app that helps you focus and concentrate on writing great content.
Word Online
Free Personal
Word Online is the online document editor just like Microsoft Word.
Big Huge Labs Writer
Freemium
Big Huge Labs Writer is an online distraction-free writing app.
Compare Byword with alternatives
Compare Big Huge Labs Writer and Byword and decide which is most suitable for you.