Small software showing the camera on screen:\\ 
{{ :documentation:camdesk-1.2.1.zip |}}

Small software showing the keystrokes and the mouse clicks on screen:\\ 
{{ :documentation:showmouseclick.zip |}}\\
{{ :documentation:showoff.zip |}}\\ 


Screen recording sofware for windows:\\ 
Daniele had a link to "ScreenRec_webinstall_all.exe" here that I can't upload it because it is a .exe-file
I recommend\\
https://linuxecke.volkoh.de/vokoscreen/vokoscreen.html\\
or \\ 
https://obsproject.com/\\