Open Yale Courses are free, open access, non-credit introductory courses recorded in Yale College's classroom and available online in a number of digital formats.
Open Learning Initiativehttp://oli.cmu.edu/
Carnegie Mellon University's Open Learning Initiative is course content (many open and free intended for both students who want to learn and teachers/institutions requiring teaching materials.
Stanford Online https://lagunita.stanford.edu/
Stanford Online is a collection of free courses which includes a wide array of topics that include human rights, language, writing, economics, statistics, physics, engineering, software, chemistry, and more.
MIT Open Courseware https://ocw.mit.edu/index.htm
MIT Open Courseware includes most of the MIT course curriculum — all for free — with hundreds of higher education institutions joining in with their own course materials later.
Harvard Extension School: Open Learning Initiative https://www.extension.harvard.edu/open-learning-initiative
Harvard's Open Learning Initiative offers a selection of free video courses (taken from the edX selection for the general public that covers a range of typical college topics, including Arts, History, Math, Statistics, Computer Science, and more.edX https://www.edx.org/
The edX site offers free subject matter from top universities, colleges and schools from around the world, including MIT and Harvard, and many courses are "verified," offering a certificate of completion for a nominal minimum fee.
Cousera https://www.coursera.org/
Coursera is a learning site offering courses (free for audit from over 100 partners —top universities from over 20 countries, as well as non-university partners — with verified certificates as a paid option.
