SORTABLE LIST  /  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.

1. ATtiny Punk Console — ATtiny85 implementation of Atari Punk Console
2. Ambika — Multi-voice, hybrid synthesizer. Descendant of Shruthi-1.
3. Anushri — DIY digitally controlled analog monosynth.
4. ArduTouch — Arduino-compatible music synthesizer
5. Arpie — Compact, highly-functional, MIDI arpeggiator.
6. BE2N — BE2N is a 22HP eurorack module with two specular Benjolins at its core.
7. Coron DS7 (DS8) — Percussion & Drum Synthe
8. Drone & Drama — Simple drone synth based on Teensy.
9. DrumKid — Lo-fi aleatoric Arduino drum machine.
10. Echo Rockit — Small, portable synth / effect processor.
11. Faderbank 16n — 16 faders MIDI-controller which is compatible with modular world
12. Fasma Festival — Yet another Teensy drum machine with clock sync.
13. Flounder — Teensy based usb midi keyboard + controls + stereo audio
14. Kelpie — Portable polyphonic digital synthesizer.
15. LMN-3 — OP-1 inspired DAW-in-a-box
16. Le Strum — Compact and very simple yet funny MIDI strummer.
17. Lil CMOS toolbox — CMOS-based semi-modular synthesizer.
18. Lil' mono — Simple east coast analog synthesizer.
19. Lunchbeat — 1-bit percussion sounds and a sequencer.
20. MIDIvampire II — 4 voice drum machine that is powered from the MIDI data line.
21. Meebleeps Freaq FM — Dual-Voice 2 operator 8-bit FM Arduino Synth with 2-track generative sequencer, Mozzi library, Volca form-factor.
22. Meebleeps Mutant — 8-Bit 2-oscillator subtractive Arduino synth for generative techno, using Mozzi library, in Volca form-factor.
23. Meeblip Micro — Hackable monophonic synth based on atmega32.
24. Meeblip SE — Hackable monophonic synth based on atmega32.
25. Meeblip Triode — Hackable monophonic synth based on atmega32. It consists of 2 PCBs stacked together.
26. Mega MIDI — MIDI-compatible Sega Genesis/Megadrive Synthesizer with REAL sound chips.
27. Mini Dexed — FM synthesizer closely modeled on the famous DX7
28. Mixtape Alpha — Credit-card sized Atmega328-based 4 voice synth.
29. NSynth Super — An experimental physical interface for the NSynth algorithm.
30. NTH synth — 8-bit hackable mono synth.
31. Nano minipops — Korg minipops made around Arduino.
32. Noise Toaster — Simple, full analog noise synth.
33. Norns shield — Norns is an open, dynamic instrument creation platform and musical computer.
34. OTTO — Digital hardware groovebox, with synths, samplers, effects and a sequencer with an audio looper.
35. OpenDeck — Open platform for ultimate MIDI control deck building
36. POLY555 — Polyphonic, analog, square wave synth based on the 555 timer chip.
37. Polaron — Digital drum machine based on the Teensy 3.6.
38. Polykit X1 — Full analog, semi modular (!), patchable synthesizer. It is an interface that works in conjunction with open source voice card.
39. Portable synth — OP-1 style portable groovebox based around Teensy 4.
40. PreenFM 2 — Preenfm brings the old FM synthesis in small open-source modern DIY boxes.
41. Protean — ATtiny-based motion texture source
42. Quantum DJ — Electromagnetic noise to 1bit sound converter
43. Real SID shield — Digital interface to SID chip (Commodore 64).
44. S54 (Liv's Synth) — Hybrid mono synth build with full analogue signal path.
45. Shruthi-1 — Hybrid synthesiser with digital generators and swappable analog filter boards.
46. Sound Lab Mini-Synth — Full analog legendary design by Ray Wilson.
47. Sound Lab Mini-Synth MkII — Full analog Ray Wilson's synth. Descendant of Sound Lab Mini-Synth.
48. Teensy Audio FX — Playable effects modeled on the Teenage Engineering PO series
49. Teensy Beats Shield — Handheld audio sequencer. PO style.
50. Totoro 1-IC — Cheap and easy to solder 2 oscillators synth.
51. WTPA2 (Where is the party at 2) — 8-bit audio sampler kit which does some stuff that no other samplers out there do.
52. Wee Noise Maker — Pocket size sampler/sequencer with audio DAC, headphone amplifier and audio input.
53. YM2149 Synth — Neat little chip that was used in various retro arcade machines and consoles, including the Atari ST.
54. Yowler — Versatile small form noise/drone synth.
55. ZeKit — 4 voice paraphonic synth.
56. Zynthian — Open Platform for Sound Synthesis & Processing build on top of Raspberry Pi.
57. x0x heart — Heart of the infamous TB-303, surgically extracted to be transplanted into your designs.
58. x0xb0x — Full reproduction of the original Roland TB-303 synthesizer, with fully functional sequencer.