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Codecademy
Codewars
Codingninjas
Coursera
Datacamp
Duolingo
edX
Exercism
FreeCodeCamp
Future Learn
GeeksforGeeks
Google Scholar
Khan Academy
MDN Web Docs
Microsoft Learn
O'Reilly
Pluralsight
Scrimba
Skill Share
Sololearn
The Odin Project
Udacity
Udemy
W3 Schools
