What is it?
It's a free module for DotNetNuke 3.x that lets your visitors rate your pages. Its the module in the top right corner of this page.
You can define the permission required to vote and set a time limit before allowing the same user to vote again.
The module has been tested with versions 3.1 and 3.2 of DNN, the data provider used by the module is MS SQL Server.
Its written in C# and you can download the module, source code and user guide below.
Downloads
User Guide
Rating Module PA
Rating Module Source Code (C#)