HelpNDoc - What is HelpNDoc ? Easy to use yet powerful help authoring environment which can generate various documentation formats from a single source.
Communifire - Enterprise Social Collaboration Software
Dr.Explain - Dr.Explain software is a help file authoring tool.
DigitalChalk - Online Training Software and Learning Management System (LMS)
MadCap Flare - Documentation for Any Audience, Language or Format
Workplace by Facebook - Connect everyone in your company and turn ideas into action.