1)   Document! X 5.0
Document! X automates the process of creating and maintaining documentation for a wide range of solution elements: VB.NET/C#/C++ .NET Projects; VB 5 or 6 / VBA Projects; Compiled COM Components and Controls; COM Type Libs, Databases, XSD Schemas.
documentation, .net, ndoc, help, f1 help, dynamic help, context sensitive help, chm, hxs, help 2,

 2)   DocFlex/XSD 1.0
An easy adjustable template-driven W3C XML Schema documentation generator in both multi-framed hypertext HTML and printable RTF formats with the support of XHTML markup embedded in XML schema annotations (including the possibility to insert images)
xsd, xsddoc, xsd documentation, xsd doc, XML Schema, schema documentation, schema doc, xhtml, xhtml schema, schema annotation,