# awesome eurorack open-source ![awesome](media/awesome-badge.svg)
community-curated list of awesome eurorack diy and opensource projects
 * Markdown partially generated using [eurorack-awesome-db](https://github.com/newdigate/eurorack-awesome-db)

# github repos
|   |   |
|---|---|
| **[pichenettes](https://github.com/pichenettes)** <br/> [eurorack](https://github.com/pichenettes/eurorack)  <br/> ![Stars](https://img.shields.io/github/stars/pichenettes/eurorack.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://mutable-instruments.net/modules/blinds/images/front_small.jpg' title='blinds:Quad VC-polarizer' height='80px'/> <img src='https://mutable-instruments.net/modules/braids/images/front_small.jpg' title='braids:Macro-oscillator' height='80px'/> <img src='https://mutable-instruments.net/modules/branches/images/front_small.jpg' title='branches:Dual Bernoulli gate' height='80px'/> <img src='https://mutable-instruments.net/modules/clouds/images/front_small.jpg' title='clouds:Texture synthesizer' height='80px'/> <img src='https://mutable-instruments.net/modules/ears/images/front_small.jpg' title='ears:Contact microphone' height='80px'/> <img src='https://mutable-instruments.net/modules/edges/images/front_small.jpg' title='edges:Quad chiptune digital oscillator' height='80px'/> <img src='https://mutable-instruments.net/modules/elements/images/front_small.jpg' title='elements:Modal synthesizer' height='80px'/> <img src='https://mutable-instruments.net/modules/frames/images/front_small.jpg' title='frames:Keyframer/mixer' height='80px'/> <img src='https://mutable-instruments.net/modules/grids/images/front_small.jpg' title='grids:Topographic drum sequencer' height='80px'/> <img src='https://mutable-instruments.net/modules/kinks/images/front_small.jpg' title='kinks:Utility module - rectifier, analog logic, S&H, noise' height='80px'/> <img src='https://mutable-instruments.net/modules/links/images/front_small.jpg' title='links:Utility module - buffer, mixer' height='80px'/> <img src='https://mutable-instruments.net/modules/marbles/images/front_small.jpg' title='marbles:Random sampler' height='80px'/> <img src='https://mutable-instruments.net/modules/peaks/images/front_small.jpg' title='peaks:Dual trigger converter' height='80px'/> <img src='https://mutable-instruments.net/modules/plaits/images/front_small.jpg' title='plaits:Macro oscillator.' height='80px'/> <img src='https://mutable-instruments.net/modules/rings/images/front_small.jpg' title='rings:Resonator' height='80px'/> <img src='https://mutable-instruments.net/modules/ripples/images/front_small.jpg' title='ripples:Liquid 2-pole BP, 2-pole LP and 4-pole LP filter' height='80px'/> <img src='https://mutable-instruments.net/modules/shades/images/front_small.jpg' title='shades:Triple attenuverter' height='80px'/> <img src='https://mutable-instruments.net/modules/shelves/images/front_small.jpg' title='shelves:EQ filter' height='80px'/> <img src='https://mutable-instruments.net/modules/stages/images/front_small.jpg' title='stages:Segment generator' height='80px'/> <img src='https://mutable-instruments.net/modules/streams/images/front_small.jpg' title='streams:Dual dynamics gate' height='80px'/> <img src='https://mutable-instruments.net/modules/tides/images/front_small.jpg' title='tides:Tidal modulator' height='80px'/> <img src='https://mutable-instruments.net/modules/veils/images/front_small.jpg' title='veils:Quad VCA' height='80px'/> <img src='https://mutable-instruments.net/modules/warps/images/front_small.jpg' title='warps:Meta-modulator' height='80px'/> <img src='https://mutable-instruments.net/modules/yarns/images/front_small.jpg' title='yarns:MIDI interface' height='80px'/>   <br/>  **Mutable Instruments' Eurorack Modules**  <br/>   * **Blinds**: Quad VC-polarizer.  <br/>   * **Braids**: Macro-oscillator.   <br/>   * **Branches**: Dual Bernoulli gate.  <br/>   * **Clouds**: Texture synthesizer.  <br/>   * **Ears**: Contact microphone.   <br/>   * **Edges**: Quad chiptune digital oscillator.  <br/>   * **Elements**: Modal synthesizer.  <br/>   * **Frames**: Keyframer/mixer.  <br/>   * **Grids**: Topographic drum sequencer.  <br/>   * **Kinks**: Utility module - rectifier, analog logic, S&H, noise.  <br/>   * **Links**: Utility module - buffer, mixer.  <br/>   * **Marbles**: Random sampler.  <br/>   * **Peaks**: Dual trigger converter.  <br/>   * **Plaits**: Macro oscillator.   <br/>   * **Rings**: Resonator.   <br/>   * **Ripples**: Liquid 2-pole BP, 2-pole LP and 4-pole LP filter.  <br/>   * **Shades**: Triple attenuverter.  <br/>   * **Shelves**: EQ filter.   <br/>   * **Stages**: Segment generator.  <br/>   * **Streams**: Dual dynamics gate.  <br/>   * **Tides**: Tidal modulator.   <br/>   * **Veils**: Quad VCA.  <br/>   * **Volts**: +5V power module.  <br/>   * **Warps**: Meta-modulator.  <br/>   * **Yarns**: MIDI interface.  <br/>     |
| **[erica-synths](https://github.com/erica-synths)** <br/> [diy-eurorack](https://github.com/erica-synths/diy-eurorack)  <br/> ![Stars](https://img.shields.io/github/stars/erica-synths/diy-eurorack.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://www.ericasynths.lv/media/DIY_Bassline_prew.jpg.240x385_q100_crop.jpg' title='erica-synths:Bassline' height='80px'/> <img src='https://www.ericasynths.lv/media/DIY_stereo_delay_prew.jpg.210x385_q100_crop.jpg' title='erica-synths:BBD delay/flanger' height='80px'/> <img src='https://www.ericasynths.lv/media/DIY_DELAY_visual_2.1.jpg.210x385_q100_crop.jpg' title='erica-synths:Delay' height='80px'/> <img src='https://www.ericasynths.lv/media/diy_polivoks_vca.png.120x385_q100_crop.png' title='erica-synths:Dual VCA' height='80px'/> <img src='https://www.ericasynths.lv/media/diy_envelope.png.120x385_q100_crop.png' title='erica-synths:Envelope' height='80px'/> <img src='https://www.ericasynths.lv/media/diy_midi_cv.png.90x385_q100_crop.png' title='erica-synths:MIDI-CV' height='80px'/> <img src='https://www.ericasynths.lv/media/diy_mixer.png.90x385_q100_crop.png' title='erica-synths:Mixer' height='80px'/> <img src='https://www.ericasynths.lv/media/diy_modulator.png.120x385_q100_crop.png' title='erica-synths:Modulator' height='80px'/> <img src='https://www.ericasynths.lv/media/diy_output.png.90x385_q100_crop.png' title='erica-synths:Output' height='80px'/> <img src='https://www.ericasynths.lv/media/diy_polivoks_vcf.png.150x385_q100_crop.png' title='erica-synths:Polivoks VCF' height='80px'/> <img src='https://www.ericasynths.lv/media/diy_SWAMP.png.210x385_q100_crop.png' title='erica-synths:Swamp' height='80px'/> <img src='https://www.ericasynths.lv/media/diy_polivoks_vcf.png.150x385_q100_crop.png' title='erica-synths:VCO3' height='80px'/>   <br/>  **Erica Synths DIY Eurorack Modules**  <br/>   * **Bassline**: all in one synth voice for acid basslines and drones  <br/>   * **BBD delay/flanger**: all analogue effects unit based on V3205 BBD IC  <br/>   * **Delay**: tape and digital delay unit with tap tempo, tempo sync, reverse, hold and add functions  <br/>   * **Dual VCA**: Polivoks architecture inspired dual VCA, rare Russian differential opamps are now replaced with AS3360  <br/>   * **Envelope**: recreation of Polivoks envelope generator with loop and end of attack functions  <br/>   * **MIDI-CV**: Polivoks functionality inspired dual MIDI-CV converter with glide function  <br/>   * **Mixer**: simple 3 chanel audio mixer  <br/>   * **Modulator**: Polivoks functionality inspired LFO, noise and S&H module  <br/>   * **Output**: Output module with headphone amplifier  <br/>   * **Polivoks VCF**: authentic recreation of the Polivoks VCF  <br/>   * **Swamp**: our take of Wogglebug module with lots of unique extras  <br/>   * **VCO3**: Polivoks inspired VCO with nice extra – VCO Sync input  <br/>     |
| **[nickajeglin](https://github.com/nickajeglin)** <br/> [Eurorack-pcbs](https://github.com/nickajeglin/Eurorack-pcbs)  <br/> ![Stars](https://img.shields.io/github/stars/nickajeglin/Eurorack-pcbs.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://camo.githubusercontent.com/a1e08785366c85a8a28c2f888fa0cd6a2ca3dfae1cce06c5ae61ed8e10b727bb/68747470733a2f2f692e696d6775722e636f6d2f425932534f62772e6a7067' title='nickajeglin:Dual log/lin VCA' height='80px'/> <br/>  A collection of easy to solder DIY eurorack PCB's  <br/>  * Dual log/lin VCA  <br/>  * Mixer  <br/>  * Utility LFO (8K LFO)  <br/>  * Buffered Mult  <br/>  * Analog Logic  <br/>     |
| **[shaduzlabs](https://github.com/shaduzlabs)** <br/> [synapse](https://github.com/shaduzlabs/synapse)  <br/> ![Stars](https://img.shields.io/github/stars/shaduzlabs/synapse.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://cloud.githubusercontent.com/assets/804931/13776151/e4bdfa4c-eaa8-11e5-8b88-48274cfd1437.png' title='synapse:synapse CV / Gate / IO shield' height='80px'/>   <br/>  Synapse is an Arduino shield (and corresponding library) which provides CV and Gate I/O for Arduino boards.  <br/>     |
| **[mxmxmx](https://github.com/mxmxmx)** <br/> [O_C](https://github.com/mxmxmx/O_C)  <br/> ![Stars](https://img.shields.io/github/stars/mxmxmx/O_C.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://camo.githubusercontent.com/b6298b40092d76718e4314e94591550e0d4197768af020ecb196b9408b2f2385/68747470733a2f2f6661726d312e737461746963666c69636b722e636f6d2f3637362f32303039303737343639345f623536653535373639335f622e6a7067' title='ornament & crime:polymorphic CV generator' height='80px'/>   <br/>  eurorack / teensy 3.2 DAC8565 quad 16bit CV module w/ OLED display  <br/>     |
| **[mxmxmx](https://github.com/mxmxmx)** <br/> [CV2Midi](https://github.com/mxmxmx/CV2Midi)  <br/> ![Stars](https://img.shields.io/github/stars/mxmxmx/CV2Midi.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://camo.githubusercontent.com/d73a47d49de1f8e1ead6e8de8f84320f2114b97acd9962a00a78c872fa813d0a/68747470733a2f2f63322e737461746963666c69636b722e636f6d2f322f313738302f34333130353234363031355f386363363031663762655f682e6a7067' title='5 channel CV:midi converter' height='80px'/>   <br/>  5 channel CV midi converter  <br/>     |
| **[mxmxmx](https://github.com/mxmxmx)** <br/> [minitrash](https://github.com/mxmxmx/minitrash)  <br/> ![Stars](https://img.shields.io/github/stars/mxmxmx/minitrash.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://camo.githubusercontent.com/936e2fdd8f250eafafeeed567bce8637c7039ab33bf71d702f1b206476d4bbac/68747470733a2f2f63322e737461746963666c69636b722e636f6d2f322f313633342f32343236373135333338335f343132386364366461315f632e6a7067' title='6HP teensy 3.1:wm8731 codec thingie' height='80px'/>   <br/>  6HP teensy 3.1 / wm8731 codec thingie  <br/>     |
| **[mxmxmx](https://github.com/mxmxmx)** <br/> [terminal_tedium](https://github.com/mxmxmx/terminal_tedium)  <br/> ![Stars](https://img.shields.io/github/stars/mxmxmx/terminal_tedium.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://camo.githubusercontent.com/0193279a89040295a88d76e2db4238a461a1c33cd1146fc0513b8fbb382a1023/68747470733a2f2f6661726d312e737461746963666c69636b722e636f6d2f3432332f31393238303139343134365f343536383737306463665f632e6a7067' title='terminal_tedium:raspberry pi eurorack breakout' height='80px'/>   <br/>  raspberry pi eurorack breakout  <br/>     |
| **[bastl-instruments](https://github.com/bastl-instruments)** <br/> [kastle](https://github.com/bastl-instruments/kastle)  <br/> ![Stars](https://img.shields.io/github/stars/bastl-instruments/kastle.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://bastl-instruments.com/thumbs/instruments/kastle/kastle-synth/kastle_synth_01_product-400x330.jpg' title='Kastle:mini modular synthesizer' height='80px'/>   <br/>  (discontinued) mini modular synthesizer  <br/>     |
| **[kweiwen](https://github.com/kweiwen)** <br/> [benjolin](https://github.com/kweiwen/benjolin)  <br/> ![Stars](https://img.shields.io/github/stars/kweiwen/benjolin.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://cloud.githubusercontent.com/assets/15021145/25553005/d3c58190-2cda-11e7-86a0-99eca499a703.JPG' title='benjolin:diy eurorack project based on rob hordijks benjolin' height='80px'/>   <br/>  diy eurorack project based on rob hordijks benjolin  <br/>     |
| **[kweiwen](https://github.com/kweiwen)** <br/> [thinks](https://github.com/kweiwen/thinks)  <br/> ![Stars](https://img.shields.io/github/stars/kweiwen/thinks.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://user-images.githubusercontent.com/15021145/30574703-72b73fa0-9d2e-11e7-863c-96f330bda927.jpg' title='thinks: based on mutable links' height='80px'/>   <br/>  a modification eurorack project based on mutable links  <br/>     |
| **[cutlasses](https://github.com/cutlasses)** <br/> [AudioFreezeV2](https://github.com/cutlasses/AudioFreezeV2)  <br/> ![Stars](https://img.shields.io/github/stars/cutlasses/AudioFreezeV2.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://camo.githubusercontent.com/12c7071affaf41cf822eb3812b3b2d2a77fd12df29681fda7ac2170e09257e49/687474703a2f2f696d672e796f75747562652e636f6d2f76692f6769622d5552706c4a78492f302e6a7067' title='AudioFreeze:AudioFreeze Teensy based Eurorack module' height='80px'/>   <br/>  AudioFreeze Teensy based Eurorack module  <br/>     |
| **[mattb](https://github.com/mattb)** <br/> [teensy-cv](https://github.com/mattb/teensy-cv)  <br/> ![Stars](https://img.shields.io/github/stars/mattb/teensy-cv.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://raw.githubusercontent.com/mattb/teensy-cv/master/teensy-cv-schematic.png' title='teensy-cv:circuit' height='80px'/> <img src='https://raw.githubusercontent.com/mattb/teensy-cv/master/teensy-cv-pcb.png' title='teensy-cv:pcb' height='80px'/>   <br/>  An opamp board with attenuating pots on inputs to  <br/>   * scale -5/+5V control voltage signals down to a voltage-referenced 0-2.5v range  <br/>   * scale up output to -5/+5V range  <br/>     |
| **[little-scale](https://github.com/little-scale)** <br/> [eurorack](https://github.com/little-scale/eurorack)  <br/> ![Stars](https://img.shields.io/github/stars/little-scale/eurorack.svg?style=social&label=Stars&maxAge=2592000)|    <br/>     |
| **[ThoEvans](https://github.com/ThoEvans)** <br/> [Eurorack](https://github.com/ThoEvans/Eurorack)  <br/> ![Stars](https://img.shields.io/github/stars/ThoEvans/Eurorack.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://raw.githubusercontent.com/ThoEvans/Eurorack/master/Dual%20LPF/Dual%20LPF%20Schematic.png' title='ThoEvans:Dual LPF' height='80px'/> <img src='https://raw.githubusercontent.com/ThoEvans/Eurorack/master/Stereo%20Mixer%20Euro/Stereo%20Mixer%20Schematic.png' title='ThoEvans:Stereo Mixer Euro' height='80px'/> <img src='https://raw.githubusercontent.com/ThoEvans/Eurorack/master/Stereo%20VCA/Stereo%20VCA%20Schematic.png' title='ThoEvans:Stereo VCA' height='80px'/>   <br/>  Hardware design for Eurorack modular synthesizers  <br/>   * Dual LPF  <br/>   * Stereo Mixer Euro  <br/>   * Stereo VCA  <br/>     |
| **[ctag-fh-kiel](https://github.com/ctag-fh-kiel)** <br/> [ctag-straempler](https://github.com/ctag-fh-kiel/ctag-straempler)  <br/> ![Stars](https://img.shields.io/github/stars/ctag-fh-kiel/ctag-straempler.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://raw.githubusercontent.com/wiki/ctag-fh-kiel/ctag-straempler/img/straempler-boot.jpg' title='ctag-fh-kiel:CTAG Straempler' height='80px'/>   <br/>  ESP32 Eurorack Audio Synthesis Module  <br/>     |
| **[ctag-fh-kiel](https://github.com/ctag-fh-kiel)** <br/> [ctag-tbd](https://github.com/ctag-fh-kiel/ctag-tbd)  <br/> ![Stars](https://img.shields.io/github/stars/ctag-fh-kiel/ctag-tbd.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://raw.githubusercontent.com/ctag-fh-kiel/ctag-tbd/master/tbd.png' title='ctag-fh-kiel:tbd' height='80px'/>   <br/>  Open source Eurorack sound module based on the ESP32  <br/>  * The eierlegende Wollmilchsau (German for swiss army) audio processing module  <br/>  * Offering already more than 30 high quality audio generators and effects  <br/>  * With an easy to extend audio plugin architecture  <br/>     |
| **[minisystem](https://github.com/minisystem)** <br/> [Eurorack](https://github.com/minisystem/Eurorack)  <br/> ![Stars](https://img.shields.io/github/stars/minisystem/Eurorack.svg?style=social&label=Stars&maxAge=2592000)|    <br/>  Kicad designs for eurorack modules  <br/>   * Eurorack Mixer  <br/>   * Eurorack VCA  <br/>   * Octave Switch  <br/>   * VC ADSR  <br/>   * picoVCO - corrected  <br/>     |
| **[minisystem](https://github.com/minisystem)** <br/> [JOVE](https://github.com/minisystem/JOVE)  <br/> ![Stars](https://img.shields.io/github/stars/minisystem/JOVE.svg?style=social&label=Stars&maxAge=2592000)|    <br/>  Roland Jupiter 6 inspired multimode filter in 14HP Eurorack format  <br/>     |
| **[TomWhitwell](https://github.com/TomWhitwell)** <br/> [TH-VCO1](https://github.com/TomWhitwell/TH-VCO1)  <br/> ![Stars](https://img.shields.io/github/stars/TomWhitwell/TH-VCO1.svg?style=social&label=Stars&maxAge=2592000)|    <br/>  Eurorack Layout for the Thomas Henry VCO 1 Oscillator  <br/>     |
| **[16n-faderbank](https://github.com/16n-faderbank)** <br/> [16n](https://github.com/16n-faderbank/16n)  <br/> ![Stars](https://img.shields.io/github/stars/16n-faderbank/16n.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://raw.githubusercontent.com/16n-faderbank/16n/main/faderbank.jpg' title='16n-faderbank:16n' height='80px'/>   <br/>  Sixteen faders, a Teensy, MIDI over USB and jack, CV out, and I2C out  <br/>     |
| **[jkrame1](https://github.com/jkrame1)** <br/> [Betweener](https://github.com/jkrame1/Betweener)  <br/> ![Stars](https://img.shields.io/github/stars/jkrame1/Betweener.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://raw.githubusercontent.com/jkrame1/Betweener/master/Hardware/Betweener%20Build%20Images/Betweener-75.jpg' title='ctag-fh-kiel:Betweener' height='80px'/>   <br/>  Teensy 3.2 based Eurorack DIY module  <br/>  * 4 built-in control voltage (CV) inputs  <br/>   * 4 trigger inputs  <br/>   * 4 knobs  <br/>   * 4 CV outputs  <br/>     |
| **[hermflink](https://github.com/hermflink)** <br/> [3320VCF](https://github.com/hermflink/3320VCF)  <br/> ![Stars](https://img.shields.io/github/stars/hermflink/3320VCF.svg?style=social&label=Stars&maxAge=2592000)|    <br/>  Kicad project files of a CEM3320/AS3320 based VCF  <br/>     |
| **[hermflink](https://github.com/hermflink)** <br/> [3330VCA](https://github.com/hermflink/3330VCA)  <br/> ![Stars](https://img.shields.io/github/stars/hermflink/3330VCA.svg?style=social&label=Stars&maxAge=2592000)|    <br/>  Kicad project files of a AS3330 based dual VCA  <br/>     |
| **[hermflink](https://github.com/hermflink)** <br/> [3310ADSR](https://github.com/hermflink/3310ADSR)  <br/> ![Stars](https://img.shields.io/github/stars/hermflink/3310ADSR.svg?style=social&label=Stars&maxAge=2592000)|    <br/>  Kicad project files of a dual ADSR based on two AS3310 components  <br/>     |
| **[hermflink](https://github.com/hermflink)** <br/> [VCO1](https://github.com/hermflink/VCO1)  <br/> ![Stars](https://img.shields.io/github/stars/hermflink/VCO1.svg?style=social&label=Stars&maxAge=2592000)|    <br/>  Kicad files of a Voltage controlled oscillator with saw, pulse and triangle outputs.  <br/>     |
| **[covertneko](https://github.com/covertneko)** <br/> [vcf-20](https://github.com/covertneko/vcf-20)  <br/> ![Stars](https://img.shields.io/github/stars/covertneko/vcf-20.svg?style=social&label=Stars&maxAge=2592000)|    <br/>  Kicad project files for a compact multimode eurorack filter with MS-20 style resonance.  <br/>     |
| **[matthewcieplak](https://github.com/matthewcieplak)** <br/> [super-sixteen](https://github.com/matthewcieplak/super-sixteen)  <br/> ![Stars](https://img.shields.io/github/stars/matthewcieplak/super-sixteen.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://camo.githubusercontent.com/46c538cadf57bc482dfb7e2370e2b374a3ac7be3d1519428b34549e951a78f89/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f65787472616c696665696e737472756d656e74732e636f6d2f696d616765732f70726f647563742f73757065727369787465656e2d6d6574616c2e6a7067' title='matthewcieplak:super-sixteen' height='80px'/>   <br/>  open-source/open-hardware sequencer for the Eurorack synthesizer format  <br/>     |
| **[attoparsec](https://github.com/attoparsec)** <br/> [TruthTable](https://github.com/attoparsec/TruthTable)  <br/> ![Stars](https://img.shields.io/github/stars/attoparsec/TruthTable.svg?style=social&label=Stars&maxAge=2592000)|    <br/>  Eurorack Truth Table module  <br/>     |
| **[attoparsec](https://github.com/attoparsec)** <br/> [Node](https://github.com/attoparsec/Node)  <br/> ![Stars](https://img.shields.io/github/stars/attoparsec/Node.svg?style=social&label=Stars&maxAge=2592000)|    <br/>     |
| **[THX2112](https://github.com/THX2112)** <br/> [12VAC-Eurorack-Power-Supply](https://github.com/THX2112/12VAC-Eurorack-Power-Supply)  <br/> ![Stars](https://img.shields.io/github/stars/THX2112/12VAC-Eurorack-Power-Supply.svg?style=social&label=Stars&maxAge=2592000)|    <br/>  A simple +12 -12 power supply for Eurorack using 12VAC adapters  <br/>     |
| **[polykit](https://github.com/polykit)** <br/> [kosmo-multitool](https://github.com/polykit/kosmo-multitool)  <br/> ![Stars](https://img.shields.io/github/stars/polykit/kosmo-multitool.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://github.com/polykit/kosmo-multitool/raw/master/kosmo-multitool-panel.png' title='kosmo-multitool-panel:kosmo-multitool-panel' height='80px'/>   <br/>  Arduino development platform for DIY synthesizer enthusiasts.  <br/>     |
| **[polykit](https://github.com/polykit)** <br/> [pico-dco](https://github.com/polykit/pico-dco)  <br/> ![Stars](https://img.shields.io/github/stars/polykit/pico-dco.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://github.com/polykit/pico-dco/raw/master/pico-dco-pcb.png' title='pico-dco-pcb:pico-dco-pcb' height='80px'/>   <br/>  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.  <br/>     |
| **[newdigate](https://github.com/newdigate)** <br/> [teensy-eurorack](https://github.com/newdigate/teensy-eurorack)  <br/> ![Stars](https://img.shields.io/github/stars/newdigate/teensy-eurorack.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://github.com/newdigate/teensy-eurorack/raw/master/hardware/images/teensy-eurorack.svg' title='teensy-eurorack:teensy-eurorack' height='80px'/>   <br/>  open source hardware and software for a 30-channel (14 in / 16 out) 16-bit analog teensy 4.1 eurorack shield  <br/>     |
| **[samjkent](https://github.com/samjkent)** <br/> [mixer-master-channel](https://github.com/samjkent/mixer-master-channel/)  <br/> ![Stars](https://img.shields.io/github/stars/samjkent/mixer-master-channel.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://samjkent.co.uk/modular-mixer/images/mixer-main.svg' title='Main Channel:mixer-main.svg' height='80px'/>   <br/>  <a href='https://hackaday.com/2021/10/04/this-audio-mixer-is-a-eurorack/'>this-audio-mixer-is-a-eurorack</a>  <br/>  <a href='https://samjkent.co.uk/modular-mixer/'>Modular Mixer</a>  <br/>  modular eurorack master channel mixer  <br/>     |
| **[samjkent](https://github.com/samjkent)** <br/> [mixer-isolator-channel](https://github.com/samjkent/mixer-isolator-channel)  <br/> ![Stars](https://img.shields.io/github/stars/samjkent/mixer-isolator-channel.svg?style=social&label=Stars&maxAge=2592000)|  <img src='https://samjkent.co.uk/modular-mixer/images/mixer-isolator.svg' title='mixer-isolator:mixer-isolator.svg' height='80px'/>   <br/>  <a href='https://hackaday.com/2021/10/04/this-audio-mixer-is-a-eurorack/'>this-audio-mixer-is-a-eurorack</a>  <br/>  <a href='https://samjkent.co.uk/modular-mixer/'>Modular Mixer</a>  <br/>  modular eurorack channel mixer  <br/>     |
| **[modular-maculata](https://github.com/modular-maculata/)** <br/> [mixor-image](https://github.com/modular-maculata/mixor-image)  <br/> ![Stars](https://img.shields.io/github/stars/modular-maculata/mixor-image?style=social&label=Stars&maxAge=2592000)|  <img src='https://raw.githubusercontent.com/modular-maculata/mixor-image/main/mixor-image.jpeg' title='mixor-image..jpeg' height='80px'/>   <br/>  **mixor-image**  <br/>  6 input stereo panning mixer in 1u  <br/>     |
| **[backtail](https://github.com/backtail)** <br/> [mHz-oscillator](https://github.com/backtail/mHz-oscillator)  <br/> ![Stars](https://img.shields.io/github/stars/backtail/mHz-oscillator?style=social&label=Stars&maxAge=2592000)|  <img src='https://github.com/backtail/mHz-oscillator/raw/master/render.png' title='backtail/mHz-oscillator' height='80px'/>  <br/> 6HP Eurorack module <br/> Voltage Controlled LFO  <br/>     |
| **[backtail](https://github.com/backtail)** <br/> [strg-m](https://github.com/backtail/strg-m)  <br/> ![Stars](https://img.shields.io/github/stars/backtail/strg-m?style=social&label=Stars&maxAge=2592000)|  <img src='https://github.com/backtail/strg-m/raw/master/render.png' title='backtail/strg-m' height='80px'/>  <br/> 3HP Eurorack module CV modifier <br/>     |
| **[backtail](https://github.com/backtail)** <br/> [6hp-psu](https://github.com/backtail/6hp-psu)  <br/> ![Stars](https://img.shields.io/github/stars/backtail/6hp-psu?style=social&label=Stars&maxAge=2592000)|  <img src='https://github.com/backtail/6hp-psu/raw/master/render.png' title='backtail/6hp-psu' height='80px'/>  <br/> 6HP Eurorack PSU <br/>     |
| **[mzuelch](https://github.com/mzuelch)** <br/> [CATs-Eurosynth](https://github.com/mzuelch/CATs-Eurosynth)  <br/> ![Stars](https://img.shields.io/github/stars/mzuelch/CATs-Eurosynth?style=social&label=Stars&maxAge=2592000)|  <img src='https://github.com/mzuelch/CATs-Eurosynth/blob/main/Modules/CGS/Analog%20Switch%20Matrix/Documentation/Rendering.jpg?raw=true' title='Analog Switch Matrix - mzuelch/CATs-Eurosynth' height='80px'/>  <img src='https://github.com/mzuelch/CATs-Eurosynth/raw/main/Modules/YuSynth/Improved%20Steiner%20VCF/Documentation/Rendering.jpg' title='Improved Steiner VCF - mzuelch/CATs-Eurosynth' height='80px'/> <br/> Analog Switch Matrix <br/> Improved Steiner VCF <br/>     |
| **[ijnekenamay](https://github.com/ijnekenamay)** <br/> [HAGIWOs_Module](https://github.com/ijnekenamay/HAGIWOs_Module)  <br/> ![Stars](https://img.shields.io/github/stars/ijnekenamay/HAGIWOs_Module?style=social&label=Stars&maxAge=2592000)| <img src='https://github.com/ijnekenamay/HAGIWOs_Module/raw/master/V2044_VCF/image1.jpg' height='80px'/> <img src='https://github.com/ijnekenamay/HAGIWOs_Module/raw/master/CHORD_VCO/image1.jpg' height='80px'/> <img src='https://github.com/ijnekenamay/HAGIWOs_Module/raw/master/4ch_Sampler/buildimage1.jpg' height='80px'/> <br/> V2044 VCF <br/> CHORD VCO <br/> 4chSampler <br/>   |
| **[apfaudio](https://github.com/apfaudio)** <br/> [tiliqua](https://github.com/apfaudio/tiliqua) <br/> ![Stars](https://img.shields.io/github/stars/apfaudio/tiliqua?style=social&label=Stars&maxAge=2592000) | a powerful, open hardware FPGA-based audio multitool for Eurorack <br/>  <img src='https://github.com/user-attachments/assets/1dbe8672-6f8d-4d33-b0d6-634b90801f7d' height='160px'/> |

 # related   
 |  Name | Repo | Notes |
 |---|---|---|
 | [zueblin](https://github.com/zueblin) | [polaron](https://github.com/zueblin/Polaron)| <img src="https://github.com/zueblin/Polaron/raw/master/Doc/Images/sideview.jpg" width="400px" /> |
 | [pms67](https://github.com/pms67) | [BananaSchplit](https://github.com/pms67/BananaSchplit) | * Single rail DC (<12V) to split rail DC supply (+/-12V and +5V). |
 | [azonenberg](https://github.com/azonenberg) | [pcb-checklist](https://github.com/azonenberg/pcb-checklist)| Schematic and Layout review checklists |
 | [otem](https://github.com/otem) | [teensypolysynth](https://github.com/otem/teensypolysynth) | <img width="400px" src="https://camo.githubusercontent.com/2b833f52b002309a7c1b7bc6506671a30bb2b697105037d3d92991ebc3c24f66/687474703a2f2f696d672e796f75747562652e636f6d2f76692f4b62634e716172425473492f6d617872657364656661756c742e6a7067"/>  |
 | [Wojciech Jakóbczyk](https://github.com/wjakobczyk) | [kawa synth](https://github.com/wjakobczyk/mutmidi) | <img width="400px" src="https://github.com/wjakobczyk/mutmidi/raw/master/hardware/prototype-top.jpg"/> <br/>* desktop hardware synthesizer based on Elements by Mutable Instruments, programmed in rust! based on mutable instruments |
 | [psykon](https://github.com/psykon) | [awesome synth](https://github.com/psykon/awesome-synth) |  * List of awesome opensource synth project. Software and Hardware |
 | [leet-modular](https://vonkonow.com/wordpress/leet-modular/)| [LEET-Modular](https://github.com/vonkonow/LEET-Modular) | <img src="https://i0.wp.com/vonkonow.com/wordpress/wp-content/uploads/2022/03/modules-scaled.jpg?w=400&ssl=1"/> <br/> * Gerbers, 3D models, firmware |

 
# gitlab
 * [Faselunare](https://gitlab.com/Faselunare)
   * [shapeshifter](https://gitlab.com/Faselunare/shapeshifter)
   * [synth-panels-designer](https://gitlab.com/Faselunare/synth-panels-designer/-/tree/master)
     * plugin for inscape which allows you to build nice panel designs.
# non github
* [yusynth](http://www.yusynth.net) 
  * [ADSR](http://www.yusynth.net/Modular/EN/ADSR/index_latest.html)
  
# 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](https://github.com/FreeCAD/FreeCAD) 
  * great for designing and manufacturing your own panels
  * import 3d models of pcbs and their components from Kicad
* [KiCad](https://github.com/KiCad/kicad-source-mirror)
  * 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](https://github.com/ohmtech-rdi/eurorack-blocks)
 
 # community forums
  * [muffwigler](https://www.muffwiggler.com/forum/index.php)