VBdocman .NET 

This VS .NET add-in generates documentation from VB source files. It parses Visual Basic .NET and ASP .NET projects and automatically creates the table of contents, index, topics, links, and context help in Help 2, CHM, HTML, RTF, XML and others.
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Document! X 

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.
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ASP Documentation Tool 

The ASP Documentation Tool creates project documentation for ASP 2.0 and 3.0 web applications written in VBScript and JScript, and their associated Access and SQL Server 2000 databases.
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ASP.NET Documentation Tool 

The ASP.NET Documentation Tool creates documentation for ASP.NET projects written in VB.NET and C#. Reports are created in standard HTML, Microsoft HTML Help and plain text formats. Includes documentation, Premium Edition contains source code.
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SQL Documentation Tool 

Automatically documents Microsoft SQL Server databases. Documentation is created in HTML , HTML Help and text formats.
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HelpScribble 

Full-featured, easy-to-use help authoring tool for creating WinHelp (.hlp), HTML Help (.chm), a printed manual and online documentation (on a web site) from the same source, from start to finish. Can import help files created with another tool.
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