Gromit-MPX is an on-screen annotation tool that works with any
Unix desktop environment under X11 as well as Wayland.
Its main use is for making presentations of some application.

How Use:

F9:        toggle painting
SHIFT-F9:  clear screen
CTRL-F9:   toggle visibility
ALT-F9:    quit Gromit-MPX
F8:        undo last stroke
SHIFT-F8: redo last undone stroke
