PatchMaster is a MIDI processing and patching system. It allows a musician to reconfigure a MIDI setup instantaneously and modify the MIDI data in real time.

Ruby Music and Midi App there are currently two different apps one for playing live and the other for writing to a midi file..Currently working on creating the chord System and is requesting ideas that you the user would like to see come out of a app like this..

Rusholme lets you convert a keyboard input to MIDI note number, and send them to your MIDI player via OSC.

Midinous combines generative features with a grid-based GUI to offer a supplemental and unique compositional experience

Command-line tool to generate Midi music also playable in Sonic Pi

MIDI support for Xi

Test::Unit begot MiniTest; factory_girl begot Miniskirt, Miniskirt begot Midiskirt, Midiskirt begets Maxiskirt

MIDI Lyrics extractor

The Flat API allows you to easily extend the abilities of the Flat Platform (https://flat.io), with a wide range of use cases including the following: - Creating and importing new music scores using MusicXML or MIDI files - Browsing, updating, copying, exporting the user's scores (for example...

MIDI Input/Output plugin for Fluentd event collector

Test::Unit begot MiniTest; factory_girl begot Miniskirt, Miniskirt begets Midiskirt

Web MIDI wrapper for opal

Platform independent realtime MIDI input and output for Ruby

A Ruby DSL for MIDI

This gem provides an interface to access novation's launchpad programmatically. LEDs can be lighted and button presses can be evaluated using launchpad's MIDI input/output.

A MIDI arpeggiator in Ruby

zgomot is a simple DSL for writting MIDI music.

An ffi wrapper around the cross platform midi library portmidi, part of the portmedia framework

Realtime MIDI IO with Ruby for Linux via the ALSA RawMIDI API.

Aubio is a tool designed for the extraction of annotations from audio signals. Its features include segmenting a sound file before each of its attacks, performing pitch detection, tapping the beat and producing midi streams from live audio.