MIT BLOSSOMS: Blended Learning Open Source Science or Math Studies

Academic Earth
You can take an online course by watching lectures of top scholars.

Opencourseware Consortium
Would you like to follow a course at Notre Dame on Nuclear Warfare? What about learning about breast cancer from the University of Michigan Medical School? Use this link to go through a number of free reources from colleges and universities from around the world.

Free Online MIT CourseWare

Open Yale Courses

Open Learning Carnegie Mellon Initiative

UCLA Webcasts

University of Berkeley Webcasts

University of California, Irvine OpenCourseWare

YouTube Education
Integrative Biology 131 General Human Anantomy from UC Berkley, Introduction to Basic Electronics from Indian Institutes of Technology, and Math 18.06: Linear Algebra from M.I.T. are just a few recommendations.