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

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

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

SysEx controls for Linux

USBSID-Pico is a RPi Pico (RP2040/W RP2350) 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

autocomplete patch selection for Roland JUNO-DS

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

command shell for Roland JX-8P with Kiwitechnics firmware