MVCForum is a fully featured ASP.NET MVC discussion board/forum with multiple themes (Including main Metro Theme) and mobile themes. Forum has features similar to that seen on StackOverFlow plus lots more (See list below).

Built using ASP.NET MVC 3, Unity & Entity Framework 5 and works in medium/partial trust environments. You can find out more on the official website below including documentation and videos (Its constantly being updated).

http://www.mvcforum.com

And don't forget to follow us on Twitter

http://twitter.com/forummvc