PinPoint is described as 'menubar item which displays an animated graphic around your pointer. It can help locate the pointer on your screen or multiple screens. It is also a great way to enhance your pointer with fun animated graphics!' and is an app in the OS & Utilities category. There are seven alternatives to PinPoint for Mac and Windows. The best alternative is Mouseposé. It's not free, so if you're looking for a free alternative, you could try PointerStick or SpotOnTheMouse. Other great apps like PinPoint are myPoint Light (Paid), Mouse Locator (Free), Simple Mouse Locator (Paid) and iCursor (Free).
Mouseposé is the indispensible mouse pointer highlighting tool (aka "virtual laserpointer") for everyone doing demos at tradeshows, presentations and trainings, or those individuals with huge and high resolution displays.
Simple Mouse Locator reveals the mouse position via a momentary or permanent locator. Hook up to a hot key or gesture; the trigger will cause a customizable ring to be displayed around the current mouse position.
iCursor is a funny and useless app for Mac OS X, it attaches to your cursor pointer a lot of particles. There are many customizable effects and you can also create and share new effects with other users.