According to Apple, there are more than 600 universities with active iTunes U sites, and approximately half of these allow free access to their material through the iTunes Store. Of the free courses available, Apple lists the following 10 as the most popular. To access the material, you'll need to download iTunes, which can do for free here.

1. How to Start a Startup
   Stanford University. 20 video tracks.


2. Spanish I
   Arkansas. 26 video tracks.


3. Developing iOS 8 Apps with Swift
   Stanford University. 12 video tracks.


4. Introduction to Psychology
   Yale University. 20 audio tracks, 19 video tracks.


5. Anatomy and Physiology
   Coppell Independent School District. 1 video track.


6. Game Theory
   Yale University. 24 video tracks, 24 audio tracks.


7. The West Point History of World War II Vol. 1
   U.S. Military Academy West Point. 9 video tracks.


8. Financial Markets (2011)
   Yale University. 2 audio tracks, 23 video tracks.


9. Human Emotion
   Yale University. 130 video tracks.


10. Statistics 110: Probability
    Harvard University. 34 video tracks.

Also see...

iTunes U (worldwide listing) | Noteworthy iTunes U courses