AtarityREADME.mdfork it — it’s yours
WEB VERSION / SUBMIT DESIGN / DISCUSSION
This is a list of synthesizers and related hardware you can build on your own. All designs are open-source including firmware. Submit designs which is not in list and discuss your building experience.
- ATtiny Punk Console — ATtiny85 implementation of Atari Punk Console
- Acid Drip — Acid bassline synth and drum machine
- Aciduino — Roland TB-303 step sequencer clone aimed for live interaction
- Ambika — Multi-voice, hybrid synthesizer. Descendant of Shruthi.
- Anushri — Analog monosynth with a lo-fi digital drums
- ArduTouch — Arduino-compatible music synthesizer
- Arpie — Compact, highly-functional, MIDI arpeggiator
- Beam Catcher — Analog light-based synthesizer
- Bread Modular — Affordable, compact modular synth platform
- Coron DS7 (DS8) — Percussion & drum synth
- Drone & Drama — Simple Teensy-based drone synth
- DrumKid — Lo-fi aleatoric Arduino drum machine
- Echo Rockit — Compact synth/effect processor
- Faderbank 16n — 16 faders MIDI-controller compatible with modular world
- Fasma Festival — Yet another Teensy drum machine with clock sync
- Flounder — Teensy based USB midi keyboard + controls + stereo audio
- Grandbot — Generative, pattern-based MIDI arpeggiator
- Hidden Sound Explorer — Electromagnetic fields analog transducer
- Hog — Double-voice analog monophonic synthesizer with two oscillators
- Hypjolin — Cross-modulating ultra-chaos generator
- Kastle 2 — Patchable, pocketable and open platforrm
- Kastle — Lo-fi, pocketable modular synth
- Keep — Self-modulating analog synth based on the ancient XR 2206 IC
- Kelpie — Portable polyphonic digital synthesizer
- LMN-3 — OP-1 inspired DAW-in-a-box
- Le Strum — Compact and simple yet funny MIDI strummer
- Lil' mono — Simple east-coast style analog synthesizer
- Lunchbeat — 1-bit percussion sounds and a sequencer
- MIDIbox — MIDI hardware platform
- MIDIvampire II — 4 voice drum machine that is powered from the MIDI data line
- Matrix sequencer — Standalone MIDI sequencer
- Meeblip Micro — Hackable monophonic synth
- Meeblip SE — Hackable monophonic synth
- Meeblip Triode — Hackable monophonic synth based on ATmega32
- Mega MIDI — MIDI-compatible Sega Genesis/Megadrive synthesizer with real sound chips
- Mini Dexed — FM synthesizer closely modeled on the famous DX7
- MiniMO — ATtiny85 mini modular system
- Minichord — Suzuki's Omnichord-like pocket instrument based on Teensy
- Mixtape Alpha — Credit-card sized ATmega328 4 voice synth
- Moduleur — Double-voice analog modular design with a touch of digital magic
- Mozard — Arduino, Mozzi -based, 6 engines synth
- Multi — Generative sequencer with swappable synth engines
- Mushsynth-8 — 8-voice polyphonic drone synth with a touch keyboard
- N32B — Hi-res macro MIDI controller
- NESizer2 — NES 2A03 chip controlled by ATmega328 with battery backed patch memory
- NSynth Super — An experimental physical interface for the NSynth AI algorithm
- NTH synth — 8-bit hackable mono synth
- Nano minipops — Korg Minipops drum machine made around Arduino
- Nava — Clone of Roland TR-909 drum machine
- Noise Toaster — Simple, full analog noise synth
- NoiseLab — Analog noise synthesizer
- Noisferatu — Compact, generative texture synthesizer
- Norns shield — Dynamic instrument, creation platform and musical computer
- Nyblcore — Tiny ATtiny85-based sample player device
- OP-Synth — Modular micro analog synth
- OTTO — Digital groovebox with synths, looper, samplers, effects and a sequencer
- OpenDeck — Platform for ultimate MIDI control deck building
- Ottopot — Hi-res USB-MIDI controller
- Overcycler — Polyphonic hybrid single cycle / analog synthesizer
- POLY555 — Polyphonic, analog, square wave synth based on the 555 timer
- Paper Bits — Small, modular synthesizer system. Voltage controlled, stripboard compatible.
- PicoStepSeq — 8-step MIDI sequencer
- PicoTracker — Low cost music tracker platform
- Pikocore — Hackable, lo-fi music mangler based on the Raspberry Pi Pico
- Plinky — 8-voice polyphonic touch synthesizer that specializes in fragile, melancholic sounds
- Polaron — Digital drum machine based on Teensy 3
- Polykit X1 — Full analog, semi modular synthesizer
- Portable synth — OP-1 style portable groovebox based on Teensy 4
- PreenFM 2 — Beloved old FM synthesis in small, modern DIY box
- Protean — CMOS-based motion texture source
- Quantum DJ — Electromagnetic noise to 1-bit sound converter
- Real SID shield — Digital interface to SID chip of Commodore 64
- Roundabout — Compact, CMOS-based, patchable synth
- S54 Liv's Synth — Hybrid mono synth with full analogue signal path
- SC1000 — Portable digital scratch instrument
- Shruthi — Hybrid synth with digital generators and swappable analog filter boards
- Sigma-6 — Low-cost digital mono-synth
- Sound Lab Mini-Synth MkII — Full analog descendant of Sound Lab Mini-Synth
- Sound Lab Mini-Synth — Full analog legendary MFOS design
- Spires — Laser arpeggiator
- Teensy Audio FX — Playable effects modeled on the Teenage Engineering PO series
- Teensy Beats Shield — Handheld audio sequencer in PO style
- Totoro — Cheap and easy to solder 2 oscillators synth on single IC
- WTPA2 (Where is the party at 2) — 8-bit audio sampler kit
- Wee Noise Maker — Pocket size sampler/sequencer with DAC, headphone amplifier and audio input
- Wirehead Freaq FM — Dual-voice, 2 operator, 8-bit FM synth in Volca form-factor
- Wirehead Mutant — 8-bit, 2-oscillator subtractive Arduino synth for generative techno in Volca form-factor
- YM2149 Synth — Little chip that was used in various retro arcade machines and consoles now ready to serve
- Yocto — Clone of Roland TR-808 drum machine
- Yowler — Compact and versatile noise/drone synth
- ZeKit — 4 voice paraphonic synth
- Zeptocore — Player and synthesizer, featuring stereo playback
- Zynthian — Open platform for sound synthesis & processing
- x0xb0x — Full reproduction of the original Roland TB-303 synthesizer, with fully functional sequencer
upd: 2026-06-27
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