Top 23 eurorack Open-Source Projects

• Cardinal

  73 1,988 9.1 C++

  Virtual modular synthesizer plugin

  

Project mention: Ask HN: Comment here about whatever you're passionate about at the moment | news.ycombinator.com | 2023-11-06

> It’s haven’t bought any Modular’s yet but I’m really looking forward to getting into other on the new year.

http://cardinal.kx.studio

https://vcvrack.com/

The former is libre and gratis, runs as a standalone or plugin and in the browser!! and is based on the latter.

Ther former has a libre and gratis standalone version, the plugin version is non-gratis.

• Winterbloom_Castor_and_Pollux

  16 515 7.3 C

  A Juno-inspired dual oscillator

  

• InfluxDB

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• O_C

  6 458 2.6 C++

  display w/ dac

• EuroPi

  34 393 8.6 Python

  EuroPi: A reprogrammable Eurorack module based on the Raspberry Pi Pico

  

Project mention: Using a Raspberry Pi Pico as a cheap multi-channel DAC for pitch CV | /r/synthdiy | 2023-07-05

Hi all, I'm making a Eurorack sequencer module with 4 pitch CV outputs (NOT audio) and I've noticed that DACs are kind of a pain due to being expensive, SMT-only & still requiring buffering with op amps. I figure that a good alternative would be to buy a Raspberry Pi Pico for $4 which will give me 8 PWM outputs that I would then hook up to an output stage like the one in the europi (shown here: https://github.com/Allen-Synthesis/EuroPi/blob/main/hardware/EuroPi/schematic/europi_schematic.pdf)

• eurorack-awesome

  11 306 1.8

  awesome eurorack diy and opensource

• eurorack-blocks

  3 282 9.2 Python

  Software to Hardware Prototyping for Eurorack using C++, Max/Gen~ or Faust

Project mention: An open-source project to design your very own Eurorack module | /r/synthdiy | 2023-07-12

If you always wanted to make your own digital Eurorack module, but didn't how to start, or started somewhere but then abandoned (because that's quite involved!), we made the Eurorack-blocks open-source project that allows you to prototype your very own modules, and more importantly learn along the way rather than facing this massive first step to make your first module (electronics, embedded systems, DSP, mechanical specs).

• BogaudioModules

  2 255 6.5 C++

  Modules for VCV Rack.

  

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• arduino-eurorack-projects

  6 245 2.9 C++

  Eurorack modular synthesizer DIY projects with Arduino and C++ libraries.

Project mention: What is your favorite open source eurorack module? And the best documented? | /r/synthdiy | 2023-06-15

JoeSeggiola's Clock divider and Forks modules are also on my list of "next to build".

• monome-rack

  1 220 7.8 C

  VCV Rack plugin for monome Eurorack modules

• teensy-eurorack

  5 218 5.3 HTML

  Hardware Design: Eurorack shield for teensy 4.1 with 14 in / 16 out analog channels

• eurorack-pmod

  1 159 6.8 SystemVerilog

  Hardware and gateware for getting started in FPGA-based audio synthesis with open source tools.

  

• squares-and-circles

  8 155 6.8 C++

  squares-and-circles is an alternate firmware for the Eurorack module O_C, targeting Teensy 4.

Project mention: What is your favorite open source eurorack module? And the best documented? | /r/synthdiy | 2023-06-15

There is a variant with a teensy 4.0! https://github.com/eh2k/squares-and-circles

• patchcab

  2 146 0.0 Svelte

  Modular Eurorack style synthesizer made with Web Audio

  

• temps_utile-

  2 144 0.0 C++

  teensy 3.2 trigger generator

• ctag-tbd

  2 138 0.0 C++

  CTAG TBD >>to be determined<< an extendible open source Eurorack sound module

• super-sixteen

  5 134 2.0 C++

  Code and schematics for the Super Sixteen Eurorack sequencer

• Bidoo

  1 123 10.0 C++

  VCV Rack plugins

• HAGIWOs_Module

  1 101 3.4 C++

  eurorack modular synthesizers projects using Arduino.

• Europi

  2 89 10.0 C

  Opensource sequencer software for Raspberry Pi equipped with Eurorack-compatible hardware (by AudioMorphology)

• synth-diy

  1 73 7.3 HTML

  Mostly Eurorack projects

• tinytricks

  1 26 0.0 C++

  Tiny Tricks - Modules for VCV Rack

• teensy-control-voltage

  1 23 10.0

  Hardware Design: 16 channel analog control voltage shield for teensy 4.1; 8ch in / 8ch out; +-10V @ 16bits/sample;

• synth-modules

  1 22 7.2 C++

  Synth module schematics and code

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eurorack related posts

• VCV rack reliability for live use

  1 project | /r/modular | 16 Aug 2023

• An open-source project to design your very own Eurorack module

  1 project | /r/synthdiy | 12 Jul 2023

• Using a Raspberry Pi Pico as a cheap multi-channel DAC for pitch CV

  1 project | /r/synthdiy | 5 Jul 2023

• A couple of questions - VCV Rack 2 &amp; Cardinal

  2 projects | /r/vcvrack | 1 Jul 2023

• What is your favorite open source eurorack module? And the best documented?

  11 projects | /r/synthdiy | 15 Jun 2023

• Is it really necessary to put opamps in front of my ADC inputs?

  1 project | /r/synthdiy | 9 Jun 2023

• Generative Emotion-Responsive Music Patch with VCV Rack

  1 project | /r/vcvrack | 7 Jun 2023
• A note from our sponsor - SaaSHub
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