Carnegie-Mellon Open Learning Initiative (OLI)
OLI provides open, online courses in languages and the sciences.
Coursera offers courses from top universities: Princeton, Stanford, UC Berkeley, UM Ann Arbor, and University of Pennsylvania. These free classes include chunked video lecture segments, quizzes, homework, deadlines, interactivities, check-ins, global forums, and peer review.
edX is a collaboration between MIT, Harvard and UC Berkeley. It offers open, online courses on a variety of technical topics.
GlobalEdge Online Course Modules for International Business
Created by the Broad College of Business at Michigan State University, these modules cover a variety of subjects, including Doing Business In; Culture; Exporting; Market Research and Entry; Functions; Legal Aspects; Agricultural Business; Institutions and Trade; Microfinance; and Entrepreneurship.
MIT OpenCourseWare is a free publication of MIT course materials that reflects almost all the undergraduate and graduate subjects taught at MIT.
The Saylor Foundation provides peer-reviewed courses in General Education, Art History, Biology, Business Administration, Chemistry, Computer Science, Economics, English Literature, History, Mathematics, Mechanical Engineering, Political Science and Psychology.
UC Irvine OpenCourseWare
UC Irvine offers courses, lectures and materials in the following areas: Arts, Business and Management, Education, Engineering, Health Sciences, Humanities, Information and Computer Sciences, Law, Physical Sciences, Social Ecology, and Social Sciences.
Udacity is courseware that is strongest in the fields of engineering, computer science, mathematics and physics.