Harvard's free programming classes teach you how to think, debug, and adapt in an AI-driven world where knowing code matters more than ever.

Functional programming is a hot topic. The 2021 Developer Survey from Stack Overflow ranked functional languages among the most loved. Popular JavaScript libraries like React and Angular let you use ...

Behind every piece of technology is the code that makes it work. From Feb. 20-22, 2026, middle and high school students will ...