| Website |
Name |
Description |
 |
edX |
A large-scale open online course platform created by Massachusetts Institute of Technology and Harvard University, offering university-level online courses and MicroMasters programs. |
 |
Class Central |
An online course aggregator website where learners can find courses offered by various open course platforms. |
 |
Academic Earth |
A website founded in 2009 that provides online open courses from U.S. universities, including the University of California, Berkeley, University of California, Los Angeles, Harvard University, Massachusetts Institute of Technology, and Princeton University |
 |
Udacity |
A for-profit online education platform that uses English as the main language of instruction. Its platform includes not only video lectures but also a built-in learning management system with programming interfaces, discussion forums, and social features. |