This is a simple blog engine written using ASP.NET MVC

WordPress MU, or multi-user, is designed to do exactly that. It is most famously used for WordPress.com where it serves tens of millions of hits on hundreds of thousands of blogs each day.

Wheatblog is blogware: it's a web-based content management system for maintaining online blogs, journals, news pages, and about anything else you can think of writing down. It allows reader interaction with a comment system, and generates valid RSS 2.0 feeds. It is powered by PHP and is compatible with the MySQL and SQLite database systems.

Traction Software's hypertext platform, Traction TeamPage is deployed by business and government teams to create an information sharing system that works like the web. Traction combines wiki style group editing, the simplicity of a blog and a unique model for commenting and secure scaleable communication. Traction provides a dramatically efficient communication, collaboration and knowledge-sharing medium that presents business information and working communications in context, over time.

Subtext is a personal blog publishing platform that focuses on usability, elegance, and simplicity. If you’ve ever caught yourself throwing your hands in the air and declaring that you’re going to write your own blogging engine, then Subtext is for you