Where to create online presentations for education — from education-portal.com
“It isn’t always possible to visit conferences, classrooms and other locations just to make a presentation. But that doesn’t mean you can’t share your ideas with people around the world. There are plenty of free services that make it easy to create online presentations and host web-based meetings. Here are 10 no-cost services that would work well for any student or teacher.”
From DSC:
I would add at least Slideshare to this list (and for those institutions who have it, Wimba Classroom).