CmdID / Commands
Hide the X11 cursor when a key is pressed and turn it back on when the mouse is used. tldr-pages
On Linux
Opens CmdID with your command. It is read in your browser and sent nowhere.
Hide the cursor on key press
xbanish
Always keep the cursor hidden, ignoring key presses and mouse usage
xbanish -a
Automatically hide the cursor after n seconds of inactivity
xbanish -t n