SpotOnTheMouse - SpotOnTheMouse is a mouse pointer and keyboard action visualization software.
iCursor - iCursor is a funny and useless app for Mac OS X, it attaches to your cursor pointer a lot of...
Projecteur - Projecteur is a virtual laser pointer for use with inertial pointers such as the Logitech Spotlight. Projecteur can show a colored dot, a highlighted circle or a zoom effect to act as a pointer.
PointerFocus - Allows you to highlight the cursor using either the toolbar or hotkeys.
ShowOff - Shows the pushed down keys and buttons.
Kokomite - Add a semitransparent circle -or ring, if you'd rather- to your mouse pointer