:musical_keyboard: Making life easy to create a MIDI-app on the web. Includes a library to program synesthesia into your app for memory recognition or for creating trippy effects. Convert soundfonts for Guitar, Bass, Drums, ect. into code that can be read by the browser. Supports multiple simultaneous instruments and perfect timing.

Convert MIDI into Tone.js-friendly JSON

Pre-rendered General MIDI soundfonts that can be used immediately with MIDI.js

A node.js wrapper for RtMidi providing MIDI I/O

♬ A JavaScript library which provides an API for programmatically generating and creating expressive multi-track MIDI files and JSON.

MIDI library for Node.js and web-browsers

♬ MIDI parser & player engine for browser or Node. As a parser converts MIDI events into JSON. Works well with single or multitrack MIDI files.

Some experimental ideas for playful musical interactions powered by MIDI.js.

3D Piano player demo. Uses three.js and MIDI.js

JSON Human readable MIDI sequences. Read from ArrayBuffers, Base64 encoded strings, or FileInput Element in Browsers.

Simple event-based MIDI messaging for node.js

This module is parsing midi files into a human-readable JSON object.

Controlling Ableton Live via the browser in real time using Node.JS, Express, Socket.IO and MIDI.

A node js implementation of Apples Network Midi Protocol.

Wild Web Midi - quality Midi playback with JS in your browser (emscripten port of Wild Midi)

An MCP server built on ableton-js enables AI assistants to control Ableton Live in real time, including Arrangement View operations such as song management, track control, MIDI editing, and audio recording, along with other capabilities.

A Javascript API for interacting with MIDI devices

MIDI controller scripts & reactive JS framework for Bitwig

a max for live patch for writing javascript in Ableton Live

Data MIDI Lab - A Node.js-based MIDI Controller and web frontend that allows you to generate MIDI notes and control data from arbitrary chunks of data

This module encodes a JSON representation of MIDI data into a binary MIDI file.

Node JS CLI for creating MIDI.JS ready sound fonts.

MIDI library for node.js

A server for generating OSC and MIDI messages from interfaces created using Interface.js

🎵 Simple Node.js script for transforming data to a MIDI file

A Node.JS script that reads the Tracks on Deck A and B from Traktor via midi.

An WYSIWYG editor for creating browser-based interfaces transmitting MIDI and OSC using Interface.js

A test JS/HTML app to decode Standard MIDI Files

Convert MIDI to ABC notation by using Tone.js note sequence generated by Magenta.js.

HTML, JS, and media for the Livid Online MIDI Editor