ASPPlayground.NET SQL Forum Software has been proven to be the most scalable, most feature-packed, and most affordable ASP + SQL Forum software on the market to date.
InstantForum.NET V4.1.4 - InstantForum.NET is the most comprehensive, high performance ASP.NET & SQL Server discussion forum solution available allowing you to easily set-up, customize and maintain demanding online communities or internal collaboration environments.
Ideal Bulletin Board - Ideal Bulletin Board is a powerful bulletin board program for the Microsoft Windows platform. The Ideal BB has many features that set it apart from other bulletin board solutions. The Ideal BB will continue to grow as your web site grows. It's only bounding factor is the space on your database server. This allows the Ideal BB to serve as a massive information base.
AspNetForum V4.6 - Jitbit AspNetForum is a powerfull forum solution for any ASP.NET website. Features user registration, online administration, email notifications etc. Can use both Access OR Sql-server. FREE edition available.