Harvard University offers a ton of free online classes.
From Computer Science to Artificial Intelligence.
Here are 5 courses you don't want to miss:
1. Introduction to Computer Science
This is the best course to start with CS.
You'll learn about all the basic concepts and fundamentals of programming to start into tech field.
2. Introduction to Game Development
Learn about the development of 2D and 3D interactive games in this hands-on course.
This course will help you to explore the design of games such as Super Mario Bros., Pokémon, Angry Birds, and more.
This course will help you to go deep into the design and programming concepts.
4. Mobile App Development with React Native
Learn about mobile app development.