DotNetNuke Professional Edition 5.1 software

The Professional Edition  includes features which are not available in the Community Edition including:

DotNetNuke is the leading open source web content management and application development framework for Microsoft .NET. Hundreds of thousands of websites worldwide use DotNetNuke to deliver rich, interactive experiences to their visitors.

The Professional Edition provides organizations running business critical applications with the features and services you would expect from a proprietary software vendor including:

Confidently Deploy DotNetNuke in Business Critical Applications

DotNetNuke is the leading open source web content management and application development framework for Microsoft