Try <a href="https://www.edx.org/" rel="nofollow">https://www.edx.org/</a> - you will find a wide variety of courses in there. Courses are free unless you wanted official certificate (so the content is free)<p>Another one is <a href="https://www.coursera.org/" rel="nofollow">https://www.coursera.org/</a> - similar (last time I looked there have been free courses in there)
Structure and Interpretation of Computer Programs by MIT is excellent - <a href="https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-001-structure-and-interpretation-of-computer-programs-spring-2005/" rel="nofollow">https://ocw.mit.edu/courses/electrical-engineering-and-compu...</a>
List of awesome university courses for learning Computer Science!<p><a href="https://github.com/prakhar1989/awesome-courses" rel="nofollow">https://github.com/prakhar1989/awesome-courses</a>