Welcome This is CS50, Harvard University’s introduction to the intellectual enterprises of computer science and the art of programming, for concentrators and non-concentrators alike, with or without …

Take Harvard's CS50 online through edX and learn computer science and programming fundamentals. Complete graded projects and earn a verified HarvardX certificate.

CS50 AP, which satisfies the College Board's new AP CS Principles curriculum framework, is identical to the curriculum we use at Harvard, but modified for a high school audience. CS50x is aimed at …

CS50L (CS50 for Lawyers) With this course, I was expecting something similar to CS50T and CS50B (a light version of CS50x). However, it’s definitely more challenging than I’d anticipated. It’s a longer …

Jan 20, 2026 · Harvard's intro to computer science was just updated! Here's what's new and how to earn a free certificate.

CS50 (Computer Science 50) [a] is an introductory course on computer science taught at Harvard University by David J. Malan. The on-campus version of the course is Harvard's largest class with …

Feb 5, 2026 · Harvard University's CS50 is one of the most popular beginner computer science courses in the world. We just released the entire 25-hour CS50 course on the freeCodeCamp.org YouTube …

This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. Demanding, but definitely doable. Social, but educational. A focused ...

GitHub repository for CS50's adaptation of Codespaces, offering a cloud-based coding environment for students and teachers.

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