CHM to HTML Converter allows you to convert any CHM files to HTML easily.

Help tool for creating helps and documentation for software in popular formats.

Code Commenter and Generator of Class Documentation for VB .NET and C#

Visual Tool with Templates and Styles to Create CHM, WebHelp, and Manuals.

Software help authoring tool. Dr.Explain makes CHM, RTF, and HTML help files.

Serial Splitter CE splits real serial ports into virtual on your mobile device.

Full-featured help authoring tool for creating help files from start to finish.

Create Windows help files quickly and easily.

Structured document authoring and publishing

HelpBuilder - creates help files for Windows 9x, ME, NT, Win2000, XP.