Warp Score
Warp Score is a visualizer for Windows that makes your MIDI files look like they’re warping in from the next sector.
MIDI Visualizer
MIDI visualizer provides a nicely animated rendering of MIDI music that's easily configured through a sleek, on-screen setting ...
Euphony
Euphony is a MIDI player and visualizer for the web that uses WebGL for rendering.
Libraries: three.js - JavaScript 3D library ...
Music Animation Machine MIDI Player
With this program you can listen to your own MIDI files (or play live) while viewing these visualizations:
Original bar-graph ...
Pianofall
Pianofall is a free desktop app that lets you visualize MIDI music scores as arrays of multi-colored bars falling onto a table ...
MIDITrail
"MIDITrail" is a MIDI player which provides 3D visualization of MIDI datasets. You can enjoy not only listening but also viewi ...