Khan Academy
Academic Earth – Online courses from the world’s top scholars
http://academicearth.org/
TED – Technology, Entertainment, & Design
http://www.ted.com/
MIT Open CourseWare
http://ocw.mit.edu/courses/
Stanford Engineering Everywhere
http://see.stanford.edu/see/courses.aspx
Open Yale Courses
http://oyc.yale.edu/
About U. – Collection of free online courses from About.com
http://u.about.com/
Wikiversity
http://en.wikiversity.org/wiki/Wikiversity:Main_Page
YouTube EDU
http://www.youtube.com/education?b=400
The Open University – Study at the OU
http://www3.open.ac.uk/study/
http://openlearn.open.ac.uk/
University of the People
www.uopeople.org
University of Reddit
http://ureddit.com/
Open Culture – The best free cultural & educational media on the web
http://openculture.com/
VideoLectures – Exchange ideas & share knowledge
http://videolectures.net/
CosmoLearning – Free educational website with thousands of courses & documentaries
http://www.cosmolearning.com/
(Credit goes to Johnathan Chung)
Akhlis's Blog 