GitPress - A blog writing tool based on GitHub, designed for developers
Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.
Blog Starter by prismic.io - Publish a blog with API-based CMS
LiveJournal - Online blogging software - free for basic users!
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.
Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.