Apps similar to Piano Visualizer include MIDI Visualizer, which is free and open source. Other options are MIDITrail, Music Animation Machine MIDI Player, Pianofall and Piano VFX. In total there are seven Piano Trainers like Piano Visualizer for Windows, Linux, Mac, the web and iPhone.
MIDI visualizer provides a nicely animated rendering of MIDI music that's easily configured through a sleek, on-screen settings dialog. It's open source software built with OpenGL in C++ and it works across Mac, Windows and Linux desktops.
"MIDITrail" is a MIDI player which provides 3D visualization of MIDI datasets. You can enjoy not only listening but also viewing. MIDITrail supports SMF format 0/1, and multiple MIDI ports. MIDITrail is available for Windows, Mac OS X and iOS.
Japan
With this program you can listen to your own MIDI files (or play live) while viewing these visualizations:
United States
Free piano/midi visualizer which can be used to create piano cover videos like Rousseau and Patrik Pietchmann.
Euphony is a MIDI player and visualizer for the web that uses WebGL for rendering.
Warp Score is a visualizer for Windows that makes your MIDI files look like they’re warping in from the next sector.
