Screenkey - Screenkey is a screencast tool to display your keys inspired by ...
SpotOnTheMouse - SpotOnTheMouse is a mouse pointer and keyboard action visualization software.
KeyCastr - KeyCastr lets you easily display your keystrokes while recording screencasts.
Kokomite - Add a semitransparent circle -or ring, if you'd rather- to your mouse pointer
QiPress - QiPress is a portable Windows program that displays key presses on the screen.
PainterMouse - Enhance the mouse cursor for presentations and demos