available free projects/source code/practical examples source

Question

I wanna a website or YouTube channel or an application or any source in which I can find full projects source code (websites, web apps.. etc), or exercises or tests to practice coding in.

Answer 1

https://www.sololearn.com/post/387602/?ref=app

https://www.sololearn.com/post/464239/?ref=app

https://code.sololearn.com/WKKkpq0efxai/?ref=app