HelpSite - HelpSite is a simple service to help your setup the perfect support centre or help site.
HelpNDoc - What is HelpNDoc ? Easy to use yet powerful help authoring environment which can generate various documentation formats from a single source.
Support Hero - Educate your customers through self-help support
HelpSmith - HelpSmith is a help authoring tool to create CHM HTML help files, manuals, and PDF documents.
Apervita - Apervita is a self-service platform that allows health enterprises and professionals to author evidence-based insight and connect it to practice, anywhere.
Adobe RoboHelp - Adobe RoboHelp empowers organizations to deliver engaging help and policy content across mobile devices, formats, and platforms.