Unlocking Knowledge, Empowering Minds.
Free lecture notes, exams, and videos from MIT. No registration required. There are around 1800 courses on various subjects.
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. MIT OpenCourseWare is a free publication of MIT course materials that reflects almost all the undergraduate and graduate subjects taught at MIT.