expression engine - http://www.pmachine.com/ee/
ExpressionEngine is a highly flexible, feature-rich web publishing system that empowers individuals, organizations, and companies around the world to create dynamic, content-driven websites. Core is available free of charge. - [Read more]

loud blog - http://www.loudblog.de/
Loudblog is a sleek and easy-to-use Content Management System (CMS) for publishing media content on the web. It automatically generates a skinnable website and an RSS-Feed for Podcasting. Just upload your audio/video files, add some notes and links, and y - [Read more]