Coursera [Link].
Online courses from several world-class universities.
Interesting courses in the area of computer vision:
Machine Learning.Stanford University. Andrew Ng, Associate Professor.
Computer Vision: The Fundamentals. University of California, Berkeley. Jitendra Malik.
MIT OpenCourseWare [Link]
Online courses from MIT.
Udacity [Link]
Online courses founded by four Stanford roboticists.
edX [Link]
Online courses from MIT and Harvard university.
It is a new and promising project that has not started yet.
Khan Academy [Link]
Open culture [Link]
Online courses, audiobooks, movies, languages lessons, and ebooks from Ivy League universities, such as Stanford, UCLA, Columbia and Oxford University.
TED-ED [Link]
From TED.com.
Memrise [Link]
Language lessons and other courses.