Create tutorials online, share educational resources and collaborate with colleagues. You can create public or private courses and charge for access to them if you wish. Advertising revenue is also shared, and if you've got some cool skills you want to offer on the site, Tutorom themselves may even pay you to do it.

A hosted learning management system that includes class management, rosters, drap and drop layout, calendar, messaging, and more. Haiku can be integrated with nearly all student information/management systems. A free "tutor" account lets you operate one active class and gives you 1mb of storage space.

Nuvvo is a very cool Web 2.0 "AJAX-enhanced eLearning web service .... designed to build the teacher in all of us". Using an advanced interface you can setup on-demand e-Learning courses about anything you want. It's a free service with integrated e-commerce features built in. It'll always be free for instructors with you having the option to charge students an enrollment fee if you so wish.