BlogEngine.NET - BlogEngine.NET is an open source ASP.NET powered blogging engine.
Blogpros - Blogpros helps to get social shares on the new blog articles as soon as the user publish them.
Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.
Myblogguest - My Blog guest is the free community that connects guest bloggers to blog owners.
Tumblr - A feature rich and free blog hosting platform offering professional and fully customizable templates, bookmarklets, photos, mobile apps, and social network integration.
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.