Presentify - Screen Annotation and Cursor Highlight for macOS.
YoloMouse - An open source tool for changing your game cursor.
PointerFocus - Allows you to highlight the cursor using either the toolbar or hotkeys.
RealWorld Cursor Editor - Create cursors for Windows, convert images to static or animated cursors, or customize your cursor.
Pen Attention - A free program that places a highlighted circle or square around the cursor for use in a classroom...
CursorFX - Create custom mouse cursors with CursorFX.