There are many vendors who develop such tools. Below are two leaders in this domain that i know: 1. NDoc (Recommended my Microsoft) http://ndoc.sourceforge.net/ - NDoc generates class library documentation from .NET assemblies and the XML documentation files generated by the C# compiler - NDoc uses pluggable documenters to generate documentation in several different formats, including the MSDN-style HTML Help format (.chm), the Visual Studio .NET Help format (HTML Help 2), and MSDN-online style web ......