Screencast tools for linux
For screen draw: gnome add-on "Draw on Your Screen": https://www.omgubuntu.co.uk/2019/03/draw-on-your-screen-ubuntu-linux For for keyboard and mouse actions: key-mon: https://www.youtube.com/watch?v=raw0OtUej6k For screen and audio record: vokoscreen: https://www.youtube.com/watch?v=__zZnv8-Keg