I'd also recommend Libre Tools for Teaching https://hz.mit.edu/thoughts/teaching_with_libre_software.html https://hz.mit.edu/thoughts/teaching_with_libre_softw

I'd also recommend Libre Tools for Teaching https://hz.mit.edu/thoughts/teaching_with_libre_software.html https://hz.mit.edu/thoughts/teaching_with_libre_software.htm... which discusses the tools that were used to run one of MIT's introductory programming course online (due to coronavirus).