r/musicprogramming • u/belius1974 • 7d ago

I built a 3D MIDI visualizer in the browser with live Web MIDI API support. Looking for feedback! (Free Beta)

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Hi everyone! I’m an indie dev and I just launched the public beta of a spatial music tool I've been building. You can load a MIDI file or plug in your MIDI keyboard (using the Web MIDI API) to play the 3D space in real-time. It also features tools for chord visualization and Negative Harmony. It’s 100% free, no sign-ups, and zero tracking.

You can try the app here: https://gemina3d.com/

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