Exercism
Code practice with human mentoring.
LearningFree· OSSNo ratings
Be the first to rate this site
About CS50
CS50 is Harvard's introduction to computer science — the most popular course on campus and online, famed for its production quality and problem sets.
Key features
- World-class lectures
- Hands-on problem sets with grading
- Free certificate path via edX
Pros
- The best CS on-ramp, period
- Free to take fully
Cons
- Genuinely challenging
- Verified certificate costs extra
Reviews
No reviews yet — share the first one.
More in Learning
Related sites
LeetCode
The technical interview gym.
LearningFreemiumNo ratings
The Odin Project
The open-source coding curriculum.
LearningFree· OSSNo ratings
MIT OpenCourseWare
MIT's courses, free to the world.
LearningFreeNo ratings
roadmap.sh
Developer career roadmaps.
LearningFree· OSSNo ratings
freeCodeCamp
Learn to code — for free, forever.
LearningFree· OSSNo ratings