http://www.ektron.com/index.aspx

The Standard deployment of CMS400.NET v7.6 supports the core features you need, from author-friendly content editing to Web 2.0 blogs, forums, polls and surveys. Ektron’s market-leading taxonomy, search and Smart Forms round out the functionality you look for in an initial deployment, and give you reliability and scalability that open source and custom CMS packages lack. The Standard deployment of CMS400.NET provides your organization the core CMS functionality that can grow with your business.