Yet Another Forum?
YetAnotherForum.NET (YAF.NET) is The Open Source Discussion Forum for sites running ASP.NET. 100% written in C#. YAF.NET runs on any web server that supports ASP.NET v4.0 and SQL Server 2000 or above.
YAF.NET is a feature rich communication platform combining an International Open Source community and the Microsoft's technologies. Lead by Jaben Cargman with plenty of help from
Ingo (tha_watcha) and
Vladimir (vzrus), the YAF.NET project has been going strong for 7 years!
If you want to download the regular Asp.Net Version go to the
CodePlex Project Page
Features
Full Feature List
DotNetNuke® Module
This is the DotNetNuke Module Version of YetAnotherForum.NET which runs YAF inside a Module (DotNetNuke 05.02.03 or higher).
ScreenShots

There is also a Second Child Module the
YAF What's New Module which shows The Latest Posts in a List
Demo Forum
A "sandbox" test forum is available here:
http://testforum.yetanotherforum.net/.
Community Support Forum
See a real live YAF Forum by visiting the
Yet Another Forum.NET community support forum. Also, get your questions answered by the YAF community.
License
Yet Another Forum.NET is licensed under GPLv2. If this license does not fit your business,
please visit our site.