The DotNetNuke Corporation released version 4.5 on Saturday. If you need a Content Management System or a starting point for an ASP.NET Web Application then you need DotNetNuke. Here are some details from the official announcement. DotNetNuke Enriches User Experience A highly focused three month release cycle results in DotNetNuke® 4.5, a new release with integrated Microsoft ASP.NET AJAX support, a web-based installer, and a variety of other high value enhancements designed to improve the user experience. ......