1)
HelpScribble 7.7.5
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. 2)
Pocket CHM 1.0
A powerful tool for creating HTML Help, manuals or ebooks in CHM format. 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.