Shareware Winhelp authoring tools

Help per Tutti - $5 (HPT20.ZIP) (WinHelp hypertext written by me: teaches you how to write WinHelp files)

HelpGen Windows Help File Generator v1.20  - $30   (HPGNxx.ZIP)

EditHelp - $40  (EDITHELP.ZIP)

HelpMatic - £20 (HELPMxxx.ZIP)

HelpNow! for Windows version 1.0 - $45 (HLPNOWxx.ZIP)

Quick and Dirty Help - $49 (QDHELP.ZIP)

Help Edit for Windows Version 1.9 - $50 (HELPED.ZIP)

Mini Help Plus - $50 (MHPLUS.ZIP)

Visual Basic Automatic Help Author - $50 (VBAHA.ZIP)

Help Writer Assistant for Windows - $65 (HWAxx.ZIP) (WYSIWYG)

AnetHelpTool - $75 (AHTOOL.ZIP)  (WYSIWYG)

There are also others, but they costs more than 100$...

WYSIWYG stands for What You Say Is What You Get: this kind of programs show you how your document will look like, just while you are editing it.