Tufts OpenCourseWare classes focus on the Life Sciences and related disciplines.
Open Yale Courses provides free access to a selection of introductory courses taught by distinguished teachers and scholars at Yale University. All lectures were recorded in the Yale College classroom and are available in video, audio, and text transcript formats.
Open Learning Initiative (Carnegie Mellon) combines high-quality lectures with research and continuous feedback. Classes are self-guided so you can learn at your own pace. Topics include Biology, Chemistry, French, Physics, Probability, and Statistics.
JHSPH OpenCourseWare contains courses from the Johns Hopkins Bloomberg School of Public Health; includes topics such as Aging, Genetics, Infectious Diseases, Mental Health, and Nutrition.
edX offers over 650 courses in computer science, the humanities, and math, with over 1,700 faculty and staff from the likes of Harvard, MIT, Berkley, Caltech, and the Sorbonne teaching and discussing topics online. Began as collaboration between Harvard and MIT to bring some of their signature courses to anyone with a computer.
Coursera provides free online courses in the fields of Computer Science; Medicine and Biology; Humanities and Social Science; Mathematics and Statistics; and Economic, Finance and Business. Participating institutions include Georgia Tech, Johns Hopkins, the National Geographic Society, Princeton, Yale, and several other universities across the globe.
Videos of lectures and panel discussions on a variety of topics, including business, government, history, literature, mathematics, physics, and more.
Access materials from over 2,000 courses from the Massachusetts Institute of Technology, including courses in Technology, Science, Economics, Mathematics, and Law.