EdX - Founded by Harvard University and MIT in 2012
Is anyone actively learning, auditing or participating (for credit) at edX?
Founded by Harvard University and MIT in 2012, edX is an online learning destination and MOOC provider, offering high-quality courses from the world’s best universities and institutions to learners everywhere.
With more than 130 global partners, we are proud to count the world’s leading universities, nonprofits, and institutions as our members. EdX university members top the QS World University Rankings® with our founders receiving the top honors, and edX partner institutions ranking highly on the full list.
There are some really great science and engineering programs there and they are all free to audit. For example, take a look at these classes related to: