Tame the Web MIDI API. Send and receive MIDI messages with ease. Control instruments with user-friendly functions (playNote, sendPitchBend, etc.). React to MIDI input with simple event listeners (noteon, pitchbend, controlchange, etc.).

The KnobKraft Orm - The free modern cross-platform MIDI Sysex Librarian

UMK4x4 - 4-16 in/out and 3-15 IN/3OUT USB MIDI interface for STM32F103 series board

SysEx controls for Linux

A robust USB MIDI Arduino firmware, with a dual bootloader, based on the LUFA library

USBSID-Pico is a RPi Pico (RP2040/W RP2350/W) based board for interfacing one or two MOS SID chips and/or hardware SID emulators over (WEB)USB with your computer, phone, ASID supporting player or USB midi controller

Patch conversion utility for Roland JD-800 / JD-990 and compatibles

A simple tool for generating MIDI-files based on Elektron MachineDrum sysex dumps.

Scripts for working with electribe 2.

Reverse engineering of the Novation Bass Station II SysEx format.

a Python based API to access and control Akai samplers through USB (clone of https://code.google.com/p/aksy/)

A Windows/Linux tool to load/save MIDI instrument settings via MIDI SYSEX

⚙️ A clean firmata with sysex IO commands for ESP-32 boards

A Python package for working with the Kurzweil K2000/K2500/K2600 family of synthesizers.

Editor for the Meris Mercury7 effect pedal.

A universal tool to exchange MIDI system-exclusive data

Python module to manipulate SysEx files used for uploading samples to Novation Circuit.

MIDI bindings to control the op-z sequencer with the cheap, but sturdy wireless controller.

Convert Scala files to SysEx files for use with the Prophet rev2 and Cirklon, etc.

Ableton microKORG editor w/ bidirectional editing

Cross-platform utility for dumping sysex files via drag-and-drop

Editor for the Meris Enzo effect pedal.

Roland SC-88 System Exclusive Librarian, written as a Bash script for Linux

Simple web application to manage patches stored in MIDI sysex files and send them to any connected MIDI port.

Upload and Download wav files to the EPS16+ Sampler

A type-safe Rust SDK for Novation Launchkey MIDI controllers. Enables full control over pads, encoders, faders, displays, and DAW integration with support for RGB colors, bitmaps, and cross-platform development.

Configure an Akai EWI USB MIDI wind controller via MIDI from the command line

Python generator for SC-88Pro SysEx Messages.

C library for loading, saving and converting FM sound chip voice files in various formats

New version of ttymidi handling midi and bi-directional sysex messages