Developing HTML Help
Presents a technical overview of HTML Help and a tutorial on adding HTML Help content to a web page. (Joe Welinske / PC Magazine)
Help Consultants
Resources, downloads, links, and tutorials on the use of Help Authoring software.
HelpMaster
The largest repository of help-related freeware and shareware tools and utilities anywhere on the internet. If you're looking for something, look here first.
HTML Help - Context Help Ids
Tutorial on setting up contextual help IDs. By The Helpware Group.
HTML Help - Using Merge
Tutorial on getting merged CHM files working correctly. By The Helpware Group.
HTML Help Center
The HTML Help Center contains the results of the research conducted in the area of Microsoft HTML Help by Delmar Computing Services of Tipton, Michigan. Developers and help authors will find high-quality samples, source code, and tools for working with HTML Help.
Microsoft HTML Help Site
The official HTML Help site with documentation, editors, and viewers. (Microsoft)
Microsoft standard compiled HTML Help from Armada
Armada, UK based team of technical authors producing up-to-the-minute, Microsoft standard, context sensitive, compiled (chm) HTML help . . .
New HTML Help Standard
A technical overview of the HTML Help standard from a C/C++ developer's perspective. (Keith Bugg / C/C++ Users Journal)