
MIT OpenCourseWare is a web based publication of pretty much all MIT course content. That includes lecture notes, exams, and videos.
Harvard serves up 8 online courses. Course selection includes Shakespeare, computer science, algebra, and more.
For an even more elaborate experience, visit edX -- a new collaborative online education effort from Harvard and MIT. Here, you actually enroll for the courses. There are 7 courses offered (2 from Berkeley) and the courses start in September and October. According to the site FAQ, certificates of completion can be earned. If you want a challenge, here are the courses that are available this fall:
- 3.091x Introduction to Solid State Chemistry (MITx)
- 6.002x Circuits and Electronics (MITx)
- 6.00x Introduction to Computer Science and Programming (HarvardX)
- CS50x Introduction to Computer Science I (HarvardX)
- PH207x Health in Numbers: Quantitiative Methods in Clinical & Public Health Research (HarvardX)
- CS169.1x Software as a Service (BerkeleyX)
- CS188.1x Artificial Intelligence (BerkeleyX)