Free Online Courses

1. Harward University – https://pll.harvard.edu/catalog

They have 136 free courses on all kinds of topics from computer science to the history of Imperial China. Plus, many other courses in art, design, data science, business, programming and other cost a very reasonable amount like $30.

2. Yale University – https://oyc.yale.edu/courses

Free access to 40 open courses on: American, African American Studies, Astronomy, Biomedical Engineering, Chemistry, Biology, Economics, Languages, Environmental Studies, History, Philosophy, Physics, Political Science, Psychology, Religion, and Sociology.

3. MIT Open Courseware – https://ocw.mit.edu/search/

This is probably the most extensive resource with 2490 results, most of which on Engineering, Social Science, Science, Humanities, Fine Arts, Business, Mathematics, Computer Science, Literature, Physics, and History. But they also have a lot of niche courses in anything you can imagine from Hydrodynamics to Desalination and Water Purification and Tennis.

4. Carnegie Mellon University – https://oli.cmu.edu/independent-learner-courses/

They have both free and low-cost courses for Independent Learners on Arts, Business, Computer Science & Programming, Data Science, Languages, Engineering, Technology, Design and more.

5. Stanford University – https://see.stanford.edu/Course

Stanford Engineering Everywhere is a course portfolio with Stanford’s most popular sequences: the three-course Introduction to Computer Science, taken by the majority of Stanford’s undergraduates, as well as more advanced courses in artificial intelligence and electrical engineering.