HubPress - A free, open source tool you can use to build a blog using GitHub Pages and AsciiDoc. HubPress is a web application that makes it easy for you to maintain a blog.
Falcon - Ultraportable 2-in-1 Laptop
GitPress - A blog writing tool based on GitHub, designed for developers
Dillinger - joemccann has 95 repositories available. Follow their code on GitHub.
Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.
Whiskey - A modern Markdown app from Nothing Magical for Mac & iOS.