Freeware (not open source) for tests and assessments. Also offers Quandary (open source) for creating web-based action mazes -a kind of interactive case-study.
This is a test and assessment creation and management tool that is generally part of Web CT/Blackboard Learning Management System. Also available is Respondus StudyMate, a stand alone tool.
A rapid authoring tool to create drag and drop activities using multimedia. Works with Articulate and Wimba. Also offers Accessible Multimedia Player (AMP) and Pollster.