edX

About edX

It is renowned as a MOOC (massive open online course) provider that offers free and low-cost online university-level courses in a variety of areas to a global student base. There are a variety of courses to choose from on the site, including Computer Science, History, Big Data, Engineering, Psychology, and many others. It's straightforward and more advanced than others, with a user-friendly layout and material updates on a regular basis.