HelpNDoc - What is HelpNDoc ? Easy to use yet powerful help authoring environment which can generate various documentation formats from a single source.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Dr.Explain - Dr.Explain software is a help file authoring tool.
Clever - syncing between education applications for K-12 schools
MadCap Flare - Documentation for Any Audience, Language or Format
Claroline - Claroline is a collaborative eLearning and eWorking platform.