Course / Beginner
CS50: Introduction to Computer Science (opens in a new tab)
Harvard University's introduction to the intellectual enterprises of computer science and the art of programming.
CS 101
Programming Fundamentals
A field guide to computer science
Explore computer science,
one idea at a time.
Explore the ideas, people, and practical tools of computing. A curated library for the curious, from your first program to your next deep dive.
Index
Explore the collection
010203040506
Learning resources
Books, courses, and places to practice.
Research papers
The ideas that changed computing.
Programming languages
Compare the tools we think and build with.
Tools & software
Find the right tool for your next project.
People of computing
Meet the people behind the breakthroughs.
Computer science history
Follow the thread from early machines to today.
From the library
Build a solid foundation
Platform / Beginner
freeCodeCamp (opens in a new tab)
Free interactive coding tutorials for web development, data science, and more.
CS 101
Web Development
Programming Fundamentals
Platform / Beginner
The Odin Project (opens in a new tab)
Full-stack curriculum with hands-on projects covering HTML, CSS, JavaScript, Ruby on Rails, and Node.js.
CS 101
Web Development
Programming Fundamentals