ProfExam Simulator - Test engine for certification exam preparation.
Adit Testdesk - Create, run, and grade all sorts of tests automatically!
SkyPrep - Online Training Done Right
VceTrainer.com - Web-based VCE exam simulator.
VCEConvert - This is a Web service, that will convert your VCE file to PDF, which you could read from any device.
Respondus - Respondus is the name of one of the best assessment programs for managing learning management systems.