As of mid January 2020 only one tutorial, which is still Under Construction™:
alf-p-steinbach/Basic-programming-tutorials-using-C-
Programming tutorials for students, using as of 2020 modern C++ examples
CSSMIT
Programming tutorials for students, using as of 2020 modern C++ examples
CSSMIT
As of mid January 2020 only one tutorial, which is still Under Construction™: