Student, aspiring developer, dog-lover, hiker (with my pups whenever possible)
https://www.freecodecamp.org/ https://www.freecodecamp.org/learn
They offer courses supported by YouTube videos. They also offer certifications for subjects like JavaScript Algorithms and Data Structures, Backend Development and APIs, and Machine Learning with Python.
https://www.theodinproject.com/
Full-stack web development course. The end result should be a deployed website for your portfolio.
Lots of free courses on tons of subjects including conputer science and mathematics.
Thank you!