NEO LMS is the BEST Learning Management System. I have never seen anything like NEO before.
schoology - An online learning, classroom management & social networking platform that provides educators & students w/ more effective, efficient & engaging ways to learn.
VceTrainer.com - Web-based VCE exam simulator.
Canvas by Instructure - The Canvas LMS is the world's fastest growing learning management system. Check out favorite features and schedule a live demo!
ProfExam Simulator - Test engine for certification exam preparation.
Edmodo - Where Learning Happens
Respondus - Respondus is the name of one of the best assessment programs for managing learning management systems.