Epic Pen - A windows tool for drawing over your desktop and applications
Presentify - Screen Annotation and Cursor Highlight for macOS.
Pylote - To draw on the screen and to handle the instruments of geometry there.
PointerFocus - Allows you to highlight the cursor using either the toolbar or hotkeys.
Gromit-MPX - Create annotations by directly drawing on your screen.
Pen Attention - A free program that places a highlighted circle or square around the cursor for use in a classroom...