Name By base License Programming Format Audio I/O CV I/O MIDI I/O USB MIDI Host Retail Website Kolumna1
AC/DC Befaco Xibeca   C++, Pd, Faust, Max Gen, Heavy eurorack 4*/4* 4*/4* N/A N/A Yes https://www.befaco.org/ac-dc/
Akso Zrna Reasearch   GNU Axoloti Patcher, C++ devbaord 4*/4* 4*/4* USB Yes Yes https://zrna.org/akso
Aleph Monome   Open Source C tabletop 4/4 4/4 USB Yes No longer http://monome.org/aleph/
Alchemist Rebel Technology   Open Source C++, Pd, Faust, Max Gen tabletop 2/2 2/0 USB N/A Yes https://www.rebeltech.org/product/alchemist/
Ardcore Snazzy FX Arduino   IDE eurorack  2/2 2/4 N/A N/A Yes http://snazzyfx.com/products/ardcore/
Axoloti Johannes Taelman   GNU Axoloti Patcher, C++ dev board 2/2 possible 1/1 Yes Yes http://www.axoloti.com/product/axoloti-core/
b nw2s Arduino Open Source IDE eurorack  possible 20/32 N/A N/A Yes/DIY http://nw2s.net/product/nw2s-b/
b2/dsp nw2s   Open Source Python, debian eurorack  0*/16 8/24* USB Yes Development http://nw2s.net/dsp-stretch/
Beebo Poly effects       tabletop 2/2 N/A 1/1 N/A Yes https://www.polyeffects.com/polyeffects/p/beebo
Bela Augmented Instruments Lab   Open Source C/C++, Pd, Faust, SuperCollider, Heavy dev board/eurorack 2/2 12*/12* (euro) USB Yes Yes http://bela.io/ http://bela.io/modular/
Bela Mini Augmented Instruments Lab   Open Source C/C++, Pd, Faust, SuperCollider, Heavy dev board 2/2 8/0 USB Yes Yes http://blog.bela.io/2018/02/22/bela-mini-launch/
DPT dsp.coffee Daisy     eurorack 2/2 10*/8* 1/1 N/A Yes https://dsp.coffee/products/product
Elk Pi Elk RPi Open Source Csound, Faust, Max Gen, LV2, Hise dev board/tabletop 4*/4* 4*/8* 1/1 N/A Yes https://elk.audio/extended-dev-kit/
Genius Rebel Technology OWL3   C++, Pd, Faust, Max Gen, Heavy eurorack 2/2 4*/4* 1/1 Yes Yes https://www.rebeltech.org/product/genius/
Hector Poly effects     Digit eurorack  6*/8* 6*/8* 1/1 N/A Yes https://www.polyeffects.com/polyeffects/p/hector
Kumiko Denki Oto rp2040     dev board 2/2 N/A 1/1 N/A Development  
Ksoloti     Open Source Ksoloti patcher, C++ dev board possible possible possible Yes Yes https://ksoloti.github.io/
kxmx_bluemchen recursinging Daisy Open Source C++, Max Gen eurorack 2/2 2*/2* 1*/1* N/A Yes https://github.com/recursinging/kxmx_bluemchen
Legio Noise Engineering Daisy Open Source C++, Pd, Max Gen eurorack 2/2 4*/0 N/A N/A Yes https://noiseengineering.us/pages/world-of-legio
Lich Befaco OWL2   C++, Pd, Faust, Max Gen eurorack  2/2 6*/3* N/A Yes Yes https://www.befaco.org/lich/
LightSeq Kacper Ziemianin RPi, Arduino Open Source Pd tabletop 1/2 8/17 1/0 N/A Development https://ctrlfreq.wordpress.com/
Magus Rebel Technology   Open Source C++, Pd, Faust, Max Gen tabletop/eurorack 2/2 20*/20* USB Yes Yes https://www.rebeltech.org/product/magus/
Margarita Wadewatts Daisy Open Source   eurorack 2/2 8*/1 1/0 N/A Development https://forum.electro-smith.com/t/margarita-prototype-open-source-hardware/2028
miniMo 1.0 miniMo ATtiny85 Open Source IDE dev board 2*/2* 2*/2* possible N/A Yes http://minimosynth.com/product/minimo_module/
MOD Duo MOD Devices   Open Source (LV2) tabletop 2/2 N/A 1/1 Yes Yes https://www.moddevices.com/products/mod-duo
MOD Duo X MOD Devices     (LV2), Max Gen tabletop 2/2 2/2 1/1 Yes preorder https://www.moddevices.com/products/mod-duo-x
MOD Dwarf MOD Devices     LV2, Max Gen tabletop 2/2 N/A 1/1 Yes Yes https://moddevices.com/products/dwarf/
Modulox Brain Raspiaudio ESP32 Open Source C++ tabletop 1/2 0/0 1/1 N/A Yes https://raspiaudio.com/product/brain/
Nebulae Qu-bit Electronix RPi Open Source Pd, Csound eurorack  0/1 10/0 1/0 N/A No longer http://www.qubitelectronix.com/legacymodules
Nebulae V2 Qu-bit Electronix RPi   C, Pd, Csound, SuperCollider eurorack  2/2 13/1 N/A N/A Yes https://www.qubitelectronix.com/shop/nebulae
Nord Modular (G2) Clavia     Nord Modular (G2) Editor tabletop/keyboard 4/4 N/A 1/1 N/A No longer http://www.nordkeyboards.com/products/nord-modular
Norns Monome   Open Source Lua, SuperCollider tabletop 2/2 N/A USB Yes DIY https://monome.org/norns/
Onda Critter & Guitari RPi   Pd tabletop ? ? USB Yes Development https://forum.critterandguitari.com/c/onda
Organelle Critter & Guitari i.MX6   Pd, Orac tabletop 2/2 N/A USB Yes No longer https://www.critterandguitari.com/products/organelle
Organelle M Critter & Guitari RPi Open Source Pd, Orac, SuperCollider tabletop 2/2 N/A 1/1 Yes Yes https://www.critterandguitari.com/organelle
Owl Hoxton OWL1 Open Source C++, Pd, Faust, Max Gen, Heavy tabletop/eurorack 2/2 7/0 (euro) USB N/A Yes https://www.rebeltech.org/product/owl-pedal/
Patch electro-smith Daisy Open Source C++, Pd, Max Gen eurorack 4/4 6/3 1/1 Yes Yes https://www.electro-smith.com/daisy/patch
Patchblocks Mindflood     Patchblocks Editor tabletop/eurorack 2/2 4/0 (euro) N/A N/A Yes http://www.patchblocks.com/
patch.Init() electro-smith Daisy Open Source C++, Pd, Max Gen eurorack 2/2 6*/3* N/A N/A Yes https://www.electro-smith.com/daisy/patchinit
Pepper Augmented Instruments Lab Bela   C++, Pd, SuperCollider eurorack  2/2 8/8 N/A possible DIY https://shop.bela.io/modular/pepper
Pico DSP Ohmic electronic ESP32 Open Source C++, IDE dev board/eurorack 2/2 5/0 (euro) N/A N/A Crowdfund https://www.crowdsupply.com/ohmic/pico-dsp
PicoADK DatanoiseTV   Open Source Vult, C++, Pd dev board 8*/2 8*/0 N/A N/A Yes https://github.com/DatanoiseTV/PicoADK-Hardware
Pisound Blockas labs RPi   Pd, Csound, SupperCollider, (LV2), Heavy dev board 2/2 possible 1/1 Yes Yes http://blokas.io/
Salt Bela & Rebel Technology Bela   C++, Pd, SuperCollider eurorack  2/2 6*/6* USB possible Yes https://blog.bela.io/2018/05/02/salt-a-programmable-eurorack-syntesizer/
Shnth Shbobo     Shlisp tabletop 0/2 N/A N/A N/A Yes http://shbobo.net/
SSP Percussa     VST eurorack 16*/8* 16*/8* USB Yes Yes https://www.percussa.com/super-signal-processor/
Synthberry Pi Artis Lab RPi   Pd tabletop 0/2 N/A N/A Yes Development https://www.artislab.it/en/tutorial-synth-raspberry-pi-2/
TBD IOT-Maker ESP32 Open Source C++ eurorack 2/2 4*/0 N/A N/A Yes https://instrumentsofthings.com/products/tbd
tbDSP Analog Bytes     SOL eurorack  8/6* 8/6* N/A N/A Development? http://tbdsp.tumblr.com/
Terminal tedium mxmxmx RPi CC Pd eurorack  2/2 10/2 N/A N/A DIY https://github.com/mxmxmx/terminal_tedium
Versio Noise Engineering Daisy Open Source C++, Pd, Max Gen eurorack 2/2 8*/0 N/A N/A Yes https://noiseengineering.us/pages/world-of-versio
Witch Rebel Technology OWL2 Open Source C++, Pd, Faust, Max Gen, SOUL, Maximilian tabletop 2/2 8*/4* USB Yes Yes https://www.rebeltech.org/product/witch/
Wizard Rebel Technology   Open Source C++, Pd, Faust, Max Gen tabletop 2/2 3/3 USB Yes Yes https://www.rebeltech.org/product/wizard/
XMX Percussa     VST eurorack 8*/2* 8*/2* USB Yes Yes https://www.percussa.com/
Zynthian José Fernando RPi Open Source (LV2) tabletop 0/2 possible 1/0 Yes Yes/DIY http://zynthian.org/