ESP32, ESP8266 based MIDI Organ using the ML_SynthTools library (little example arduino project)

Combo organ with 12 arduinos

Le portail Internet d'inventaire national des orgues

Electronic organ like e.g. Vox Continental with JACK interface

Examples available at:

ML SynthTools Libraries

A music box and 13-note organ for Nexys 3 Spartan 6 FPGA Board. The final project of Digital System Design (EE 240) at Boğaziçi University, June 2017

A Teensy tonewheel organ emulator

Mac OS X port of Rumpelrausch's drawbar organ VST instrument plugin.

additive fm synthesizer for your browser

Online documentation for APrint Studio

Emulates the automation features of an 80's home organ by reading from a MIDI controller, modifying and enhancing those MIDI messages, and writing the output to a virtual MIDI port

Just-intonation, 5-limit tuning, blues-scale musical keyboard based on WebAudio

Add on controller for the PropB3 Hammond Organ clonewheel project by H Bollig.

Custom oscillator for the Korg NTS-1 implementing a classic drawbar organ

It's small project to make a musical instrument out of a computer keyboard.

Utility for validating donor typing entries to DonorNet

A Z + n 'th totally unnecessary software synthesizer project only for my own (others?) education and entertainment

3 Channel Light (Color) Organ for LED Strips (with Arduino Nano)