Where it is more convenient to study programming? I like this app

Answer 1

Does FreeCodeCamp have c# ?

Answer 2

I like this one
https://mva.microsoft.com/training-topics/c-app-development#!jobf=Developer&lang=1033

https://www.sololearn.com/discuss/732006/?ref=app

use searchbar

and of course

https://code.sololearn.com/W8iMGXTusS8V/?ref=app