phpMyFAQ is a multilingual, completely database-driven FAQ system. It support various database systems and it also offers a content management system with a WYSIWYG editor, an image manager, flexible multi-group and multi-user support, a news system, user tracking, language modules, templates, PDF support, a backup system, Active Directory support, and an easy to use installation script.
Adapro is a customizable multi-user word processor originally geared towards users with a learning disability or developmental disorder, such as dyslexia or autism. Hence its array of assistive features, including inline representation of words through pictograms, a virtual keypad with configurable phrase buttons, a dyslexia-friendly font, PBDQ, and high-contrast modes. The editing interface can be customized on a per-user basis, and documents produced with it can be exported to RTF for further editing in OpenOffice or other software. If Java 6 is on the system, it doesn't even require installation.