There are 3 repositories under midi-visualizer topic.
A small MIDI visualizer tool, using OpenGL
The Interactive Shader Renderer Platform. Realtime audio, easy rendering, spectrogram, piano roll, music visualization. Manim style
🎹 The easiest way to record MIDI. No install. Automatically records.
🔥 Imagine ShaderToy, on a Manim-like architecture. That's ShaderFlow. Music Visualizer, Piano Roll, Shader Platform. Fastest Render in the West
FL Studio / ZGameEditor visualization of midi roll/piano.
Music Visualizer with love2d using Midi Files
View sheet music with simple MIDI input visualization
🎹 World's Smoothest and Most Customizable Piano Roll. Real time, Interactive, Black Midi proof
(In development) A browser-based tool to intuitively visualize the shape of a melody found in any MIDI file as a chorus of colorful lines!
MIDI visualizer built on mido and PySDL2.
MIDI Visualizer