http://academicearth.org/
http://www.khanacademy.org
http://oyc.yale.edu/
http://www.ocwconsortium.org/
http://ocw.mit.edu/courses/
http://webcast.berkeley.edu/courses.php
http://lecturefox.com/
http://openlearn.open.ac.uk/
http://oli.web.cmu.edu/openlearning/
http://ocw.tufts.edu/
http://itunes.stanford.edu/
http://ocw.uci.edu/
http://ocw.usq.edu.au/
http://degreedirectory.org/articles/Free_Video_Lectures_from_Top_Colleges_and_Universities.html