Free Online Courses by Harvard, MIT, and more

MIT OpenCourseWare (OCW) is a web-based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity.

OpenLearn is a free learning platform, delivered by The Open University as part of its Royal Charter commitment to support the wellbeing of the community.

Carnegie Mellon University's OLI provides dozens of college-level courses, and a platform that enables research and experimentation with any aspect of the learning experience.

Provides free and open access to a selection of introductory courses taught by distinguished teachers and scholars at Yale University. The aim of the project is to expand access to educational materials for all who wish to learn.