CS50

cs50.harvard.edu

Take Harvard's CS50 online and earn a verified certificate

Visit
CS50 screenshot
/ About /

CS50 is Harvard University's suite of online computer science and programming courses offered through edX. The program covers foundational topics including algorithms, data structures, and practical coding in languages like C, Python, SQL, and JavaScript. Learners can audit courses for free or pay to complete graded projects and earn a verified HarvardX certificate.

/ How it works /

Learners enroll on edX, access lectures and assignments at their own pace, and can pay to unlock graded work and earn a verified certificate.

/ Who it's for /

Beginners and learners seeking a foundational computer science education

/ More info /

Background.

Status
launched
Business model
freemium
Company
Harvard University / edX
/ Discovered patterns /

Similar projects.

Coming soonSpektrail’s read on Education & Learning

Editorial take on the space this project sits in — momentum signals, adjacent moves, our call on whether the wedge is real. Get pinged when we publish a new read or when the landscape shifts.

Coming soon

Have a take on this space?

Tell us what you’d build differently, where you think the incumbents miss, or what we’ve gotten wrong about this project. Comments + reactions are coming soon.