SpotOnTheMouse - SpotOnTheMouse is a mouse pointer and keyboard action visualization software.
Presentify - Screen Annotation and Cursor Highlight for macOS.
PointerFocus - Allows you to highlight the cursor using either the toolbar or hotkeys.
Pen Attention - A free program that places a highlighted circle or square around the cursor for use in a classroom...
PainterMouse - Enhance the mouse cursor for presentations and demos
Carnac - A utility to give some insight into how you use your keyboard/