Global web icon
codecademy.com
https://www.codecademy.com/
Learn to Code - for Free | Codecademy
Grow in your career and unlock new opportunities by learning in-demand skills in AI, data, coding, cybersecurity, and more.
Global web icon
coursera.org
https://www.coursera.org/courses?query=computer%20…
Best Computer Science Courses & Certificates [2026] | Coursera
Computer Science courses can help you learn programming languages like Python and Java, algorithms, data structures, and software development principles. Compare course options to find what fits your goals.
Global web icon
edx.org
https://www.edx.org/learn/computer-science/harvard…
HarvardX: CS50's Introduction to Computer Science | edX
An introduction to the intellectual enterprises of computer science and the art of programming.
Global web icon
teachyourselfcs.com
https://teachyourselfcs.com/
Teach Yourself Computer Science
Type 1 engineers find ways to learn computer science in depth, whether through conventional means or by relentlessly learning throughout their careers.
Global web icon
thinkingineducating.com
https://www.thinkingineducating.com/how-to-learn-c…
How to Learn Computer Science from the Ground Up: A Beginner’s Roadmap
So you want to learn computer science but don’t know where to start? Whether you’re a career changer, a curious student, or someone looking to build tech skills, diving into computer science can feel overwhelming. The good news? You don’t need a formal degree or a fancy classroom to get started.
Global web icon
brilliant.org
https://brilliant.org/computer-science/
Practice Computer Science - Brilliant
Take a guided, problem-solving based approach to learning Computer Science. These compilations provide unique perspectives and applications you won't find anywhere else. Browse through thousands of Computer Science wikis written by our community of experts.
Global web icon
stanford.edu
https://online.stanford.edu/courses/soe-ycscs101-c…
Computer Science 101 I Stanford Online
Learn the essential ideas of Computer Science, this course demystifies and brings those patterns to life, which is useful for anyone using computers today.
Global web icon
harvard.edu
https://pll.harvard.edu/course/cs50-introduction-c…
CS50: Introduction to Computer Science | Harvard University
An introduction to the intellectual enterprises of computer science and the art of programming.
Global web icon
learncs.online
https://www.learncs.online/
Learn CS Online: An Introduction to Computer Science
We'll teach you the basics of programming and computer science. Then you can and will change the world. Ready to go? Start here.
Global web icon
hackr.io
https://hackr.io/blog/best-computer-science-course…
11 Best Computer Science Courses Online in 2025 [Free + Paid] - Hackr
Want to learn computer science? We’ve found the 11 best computer science courses in 2025 to learn programming, data structures, algorithms, and more.