1)   E.S.T. Help Author Pro 1.65
EST Help Author Pro creates the most popular help formats from a single source It supports the following output formats: Ansi Text Manual, Unicode Text Manual, RTF Manual, HTML Manual, HTML Web Help, Windows Help, CHM Help, Electronic Book (EXE)
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 2)   Help Development Studio 1.92
Help Development Studio is a popular, full-featured, stand-alone help authoring tool, which is designed to create WinHelp, HTML Help, and Web Help files from the same source. Download your free trial copy now!
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 3)   MGTEK Help Producer 2.2
MGTEK Help Producer is a help authoring tool that allows you to create Microsoft HTML Help 1.0 files, Microsoft Help 2.0 help files, and web based content from a Microsoft Word document.
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