Nuvvo is the first free on-demand elearning service, designed for individuals.
Nuvvo incorporates all the best Web 2.0 techniques and technologies, including RSS/Atom, VoIP (via Skype), and AJAX.
It is a free service, that anyone can sign up for in under a minute at:
Courses built with Nuvvo can be advertised on the Nuvvo eLearning Market.