mod_aspdotnet is a loadable Apache 2 module for serving ASP.NET content.
It is a set of integrated technologies that makes it easier to manage Web apps.
ComponentArt SOA.UI for .NET is a framework for building web services.
EO.Total is a set of .Net controls for web design and PDF programming.
ASP.NET and Windows Forms Chart Controls for .NET Framework 3.5 SP1.