DotNetNuke (DNN) Open Source Web Application Framework
http://www.dotnetnuke.com/

This is the official community and development site for the DotNetNuke Open Source Web Application Framework. From downloads to documentation, DotNetNuke.com offers a comprehensive base of information, resources, and support to the DotNetNuke community. DotNetNuke is an open source web application framework ideal for creating, deploying and managing interactive web, intranet and extranet sites. DotNetNuke is designed to make it easy for administrators, content editors, developers, and designers to manage all aspects of their web assets. Wizards, content-sensitive help, and a well-researched user interface provide a superior user experience. DotNetNuke can support multiple websites from a single application installation. In dividing administrative options between host level and individual site level, DotNetNuke allows administrators to manage an unlimited number of websites – each with its own unique appearance and content. DotNetNuke comes loaded with a set of built-in features that provide exceptional functionality. Site hosting, web design, content management, security, and membership options are all easily managed and customized through simple, browser-based tools. This has been added to World Wide Web Reference Subject Tracer™ Information Blog.