An eternity ago in the year of 2012, a few Stanford professors decided to make their courses freely available online.  The media christened these courses

freeCodeCamp is a nonprofit organization offering free online coding courses and programming tutorials, covering topics such as web development, data science, and machine learning. Learners can gain practical coding skills, build real-world projects, and earn certifications to advance their careers in tech.

The Top 100 Free University Courses of the Year (Ranked by Popularity)