awesome eurorack open-source

community-curated list of awesome eurorack diy and opensource projects

• Markdown partially generated using eurorack-awesome-db

github repos

pichenettes eurorack	Mutable Instruments' Eurorack Modules * Blinds: Quad VC-polarizer. * Braids: Macro-oscillator. * Branches: Dual Bernoulli gate. * Clouds: Texture synthesizer. * Ears: Contact microphone. * Edges: Quad chiptune digital oscillator. * Elements: Modal synthesizer. * Frames: Keyframer/mixer. * Grids: Topographic drum sequencer. * Kinks: Utility module - rectifier, analog logic, S&H, noise. * Links: Utility module - buffer, mixer. * Marbles: Random sampler. * Peaks: Dual trigger converter. * Plaits: Macro oscillator. * Rings: Resonator. * Ripples: Liquid 2-pole BP, 2-pole LP and 4-pole LP filter. * Shades: Triple attenuverter. * Shelves: EQ filter. * Stages: Segment generator. * Streams: Dual dynamics gate. * Tides: Tidal modulator. * Veils: Quad VCA. * Volts: +5V power module. * Warps: Meta-modulator. * Yarns: MIDI interface.
erica-synths diy-eurorack	Erica Synths DIY Eurorack Modules * Bassline: all in one synth voice for acid basslines and drones * BBD delay/flanger: all analogue effects unit based on V3205 BBD IC * Delay: tape and digital delay unit with tap tempo, tempo sync, reverse, hold and add functions * Dual VCA: Polivoks architecture inspired dual VCA, rare Russian differential opamps are now replaced with AS3360 * Envelope: recreation of Polivoks envelope generator with loop and end of attack functions * MIDI-CV: Polivoks functionality inspired dual MIDI-CV converter with glide function * Mixer: simple 3 chanel audio mixer * Modulator: Polivoks functionality inspired LFO, noise and S&H module * Output: Output module with headphone amplifier * Polivoks VCF: authentic recreation of the Polivoks VCF * Swamp: our take of Wogglebug module with lots of unique extras * VCO3: Polivoks inspired VCO with nice extra – VCO Sync input
forestcaver Analog-Voice	analog voice modules * 3340 VCO * 3320 LPF * Phones (Headphone Amp) * LPG * HPF * Dual ASR * Dual VCA * Wasp * ADSR * LPF 2 * Module Tester Module * Dual polarising VCA * Matrix Mixer * TZFM VCO
nickajeglin Eurorack-pcbs	A collection of easy to solder DIY eurorack PCB's * Dual log/lin VCA * Mixer * Utility LFO (8K LFO) * Buffered Mult * Analog Logic
shaduzlabs synapse	Synapse is an Arduino shield (and corresponding library) which provides CV and Gate I/O for Arduino boards.
mxmxmx O_C	eurorack / teensy 3.2 DAC8565 quad 16bit CV module w/ OLED display
mxmxmx CV2Midi	5 channel CV midi converter
mxmxmx minitrash	6HP teensy 3.1 / wm8731 codec thingie
mxmxmx terminal_tedium	raspberry pi eurorack breakout
bastl-instruments kastle	(discontinued) mini modular synthesizer
kweiwen benjolin	diy eurorack project based on rob hordijks benjolin
kweiwen thinks	a modification eurorack project based on mutable links
cutlasses AudioFreezeV2	AudioFreeze Teensy based Eurorack module
mattb teensy-cv	An opamp board with attenuating pots on inputs to * scale -5/+5V control voltage signals down to a voltage-referenced 0-2.5v range * scale up output to -5/+5V range
little-scale eurorack
ThoEvans Eurorack	Hardware design for Eurorack modular synthesizers * Dual LPF * Stereo Mixer Euro * Stereo VCA
ctag-fh-kiel ctag-straempler	ESP32 Eurorack Audio Synthesis Module
ctag-fh-kiel ctag-tbd	Open source Eurorack sound module based on the ESP32 * The eierlegende Wollmilchsau (German for swiss army) audio processing module * Offering already more than 30 high quality audio generators and effects * With an easy to extend audio plugin architecture
minisystem Eurorack	Kicad designs for eurorack modules * Eurorack Mixer * Eurorack VCA * Octave Switch * VC ADSR * picoVCO - corrected
minisystem JOVE	Roland Jupiter 6 inspired multimode filter in 14HP Eurorack format
TomWhitwell TH-VCO1	Eurorack Layout for the Thomas Henry VCO 1 Oscillator
16n-faderbank 16n	Sixteen faders, a Teensy, MIDI over USB and jack, CV out, and I2C out
jkrame1 Betweener	Teensy 3.2 based Eurorack DIY module * 4 built-in control voltage (CV) inputs * 4 trigger inputs * 4 knobs * 4 CV outputs
hermflink 3320VCF	Kicad project files of a CEM3320/AS3320 based VCF
hermflink 3330VCA	Kicad project files of a AS3330 based dual VCA
hermflink 3310ADSR	Kicad project files of a dual ADSR based on two AS3310 components
hermflink VCO1	Kicad files of a Voltage controlled oscillator with saw, pulse and triangle outputs.
covertneko vcf-20	Kicad project files for a compact multimode eurorack filter with MS-20 style resonance.
matthewcieplak super-sixteen	open-source/open-hardware sequencer for the Eurorack synthesizer format
attoparsec TruthTable	Eurorack Truth Table module
attoparsec Node
THX2112 12VAC-Eurorack-Power-Supply	A simple +12 -12 power supply for Eurorack using 12VAC adapters
polykit kosmo-multitool	Arduino development platform for DIY synthesizer enthusiasts.
polykit pico-dco	This repository contains source code, schematics and PCB for a digitally controlled oscillator (DCO) with up to 6 voices which are driven by a Raspberry Pi Pico.
newdigate teensy-eurorack	open source hardware and software for a 30-channel (14 in / 16 out) 16-bit analog teensy 4.1 eurorack shield
samjkent mixer-master-channel	this-audio-mixer-is-a-eurorack Modular Mixer modular eurorack master channel mixer
samjkent mixer-isolator-channel	this-audio-mixer-is-a-eurorack Modular Mixer modular eurorack channel mixer
modular-maculata mixor-image	mixor-image 6 input stereo panning mixer in 1u
backtail mHz-oscillator	6HP Eurorack module Voltage Controlled LFO
backtail strg-m	3HP Eurorack module CV modifier
backtail 6hp-psu	6HP Eurorack PSU
mzuelch CATs-Eurosynth	Analog Switch Matrix Improved Steiner VCF
ijnekenamay HAGIWOs_Module	V2044 VCF CHORD VCO 4chSampler

related

Name	Repo	Notes
zueblin	polaron
pms67	BananaSchplit	* Single rail DC (<12V) to split rail DC supply (+/-12V and +5V).
azonenberg	pcb-checklist	Schematic and Layout review checklists
otem	teensypolysynth
Wojciech Jakóbczyk	kawa synth	* desktop hardware synthesizer based on Elements by Mutable Instruments, programmed in rust! based on mutable instruments
psykon	awesome synth	* List of awesome opensource synth project. Software and Hardware
leet-modular	LEET-Modular	* Gerbers, 3D models, firmware

gitlab

• Faselunare
  • shapeshifter
  • synth-panels-designer
    • plugin for inscape which allows you to build nice panel designs.

non github

• yusynth
  • ADSR

front panel design / manufacture

• Front panel designer
  • http://www.schaeffer-ag.de/en/downloads/front_panel_designer/?no_cache=1
    • design and order your own front panels from schaeffer-ag.de
• FreeCad
  • great for designing and manufacturing your own panels
  • import 3d models of pcbs and their components from Kicad
• KiCad
  • create circuits, printed circuit boards, and panels
• Inkscape plugin for designing eurorack front panels
  • https://github.com/THX2112/Eurorack-Panel-Designer
• eurorack-blocks:
  • ohmtech-rdi/eurorack-blocks

community forums

• muffwigler