Java-based on-screen display (OSD) for keyboard and mouse events.

This program displays keyboard and mouse events for the purpose of
screencasting. While such software already exists, none meet all the
following criteria:

    custom display size;
    easily positioned;
    show single events;
    show all mouse clicks;
    show scrolling;
    accurate modifier key states; and
    works with emulation software

Requirements

OpenJDK version 14.0.1 or newer.