A.K.A. Learner.org - A host of video lectures ranging from the art of the Wild West to abnormal psychology.
ArsDigita was originally a computer science program from MIT. While it is now shut down, all the coursework was put online.
Online courses from the British Broadcasting Corporation.
UCLA course lectures.
Chinese University Lectures
Hundreds of lectures from fourteen well known Chinese universities.
Huge repository of course podcasts from well known universities.
Learning from YouTube
Pitzer College lectures on YouTube (read more here).
Classes on anything from history to urban studies, from the Massachusetts Institute of Technology.
Tons of lectures from different speakers at MIT.
MITE AP Courses
Free Montrey Institute AP courses.
Open Learning Initiative
Learn engineering, reasoning, chemistry, and much more from Carnegie Mellon University.
Thousands of free eBooks, including many course textbooks.
Take CC-licensed courses from small colleges.
Lectures on everything from debt to microbiology, from Southwest Wisconsin Technical College.
The Open University OpenLearn
Great Britain’s first open learning university offers free courses from health care to William Wilberforce.
UC Berkley Webcasts
Get audio and video netcasts from one of the best known universities in the country.
Princeton-sponsored online lectures.
Utah State University OpenCourseWare
Learn everything from theatre production to cattle management from Utah State University.
Tons of free online web developer tutorials.
Western Kentucky University Distance Learning Podcasts & VODcasts
Read, listen to, and watch lectures from WKU.
Hundreds of user submitted courses on everything from mathematics to humanities.
Google Video Educational Genre
Wide variety of user created videos uploaded to Google Video.
Internet Archive Open Educational Resources
A huge multitude of courses with categories ranging from .NET programming to Chinese literature.
Similar to Wikipedia, but with articles written by “experts” chosen by the community.
Thousands of textbooks written in over 40 different languages.