awesome eurorack open-source
April 14, 2025 · View on GitHub
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 |
| 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 |
| apfaudio tiliqua  | a powerful, open hardware FPGA-based audio multitool for Eurorack |
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
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
- http://www.schaeffer-ag.de/en/downloads/front_panel_designer/?no_cache=1
- 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
- eurorack-blocks: