miditrail

Install command: 
brew install --cask miditrail

Name: MIDITrail

MIDI player which provides 3D visualization of MIDI data sets

https://www.yknk.org/miditrail/en/

Cask JSON API: /api/cask/miditrail.json

Cask code: miditrail.rb on GitHub

Current version: 2.0.2

Requirements: macOS >= 10.12

Analytics:

Installs (30 days)
miditrail 3
Installs (90 days)
miditrail 22
Installs (365 days)
miditrail 82