Open Yale Courses provides free and open access to a selection of introductory courses taught by distinguished teachers and scholars at Yale University. The aim of the project is to expand access to educational materials for all who wish to learn.
iTunes University provides free courses. To access these, you will need the iTunes software. Launch iTunes (download and install from Apple if you don’t have it. It runs on Windows as well as Mac). Go into the iTunes Store (left side of the screen. You may need to create an account, but all of the iTunes University courses should be free). Once in the store, the iTunes University link is on the top right (in the ribbon menu).
YouTube EDU Great selection of educational videos with a number of universities joining in
UCBerkeley Free courses by University of California at Berkeley
400 free online courses from top universities
Khan Academy Library of over 2,600 educational videos
OpenCulture A compilation of the the best free cultural and educational media on the web
Coursera A social entrepreneurship company that offers online courses for everyone to take, for free with partnership of the top universities in the world.