Apervita - Apervita is a self-service platform that allows health enterprises and professionals to author evidence-based insight and connect it to practice, anywhere.
HelpNDoc - What is HelpNDoc ? Easy to use yet powerful help authoring environment which can generate various documentation formats from a single source.
phpMyFAQ - phpMyFAQ is a world’s most popular mobile-friendly, feature-rich and open-sources FAQ software that uses PHP 5.
Dr.Explain - Dr.Explain software is a help file authoring tool.
AnswerDash - AnswerDash self-service contextual help cuts support tickets and increase customer satisfaction.
CHM Editor - Best solution to edit CHM files