All cards

00 Simple MIDIby Tom WhitwellUSB MIDI interface and Computer calibrator. Included midi utility cv gate calibration

02 Patcher+by Chris JohnsonUpcoming patching-interface card

03 Turing Machineby Tom WhitwellDual Turing Machine with quantized outputs and tap tempo Included sequencer turing-machine random clock cv

04 BYO Benjolinby Dune DesormeauxRungler, Chaotic VCO, Noise Source, Turing Machine, Quantizer Wild Classic chaos rungler oscillator turing-machine quantizer

05 Chord Blimey!by Tom WatersGenerates CV/Pulse arpeggios arpeggiator sequencer cv chord generative

06 USB Audio & MIDIby Vincent Maurer6-channel USB audio interface and USB MIDI device with configurable CV/gate mapping. Useful usb-audio midi utility cv gate

07 Bumpersby Chris Johnson'Bouncing ball' style delay and trigger generators trigger delay generative utility

08 Bytebeatby Matt KuebrichGenerates and mangles bytebeats bytebeat oscillator generative noise experimental

09 DivComby divmodComparator and VC clock divider, inspired by Serge NCOM Wild Deep comparator clock-divider logic utility

10 Twistsby Random WorksA port of Mutable Instruments Braids with a web editor Start Here synthesizer oscillator wavetable midi-host

11 Goldfishby Dune DesormeauxWeird delay/looper for audio and CV Classic delay looper cv glitch

12 AM Couplerby Chris JohnsonAM radio transmitter / coupler Magic radio transmitter utility sample-playback

13 Noiseboxby Eric Gao13-algorithm noise synth with CV modulation, sample-and-hold, and crusher mode Wild noise synthesizer sample-and-hold bitcrusher

14 CVModby Chris JohnsonQuad CV delay inspired by Make Noise Multimod cv delay modulation looper

15 MLRwsby Dune DesormeauxA remix of monome's classic MLR sample cutting platform (grid controller encouraged but optional). Diagrams here are fo… Deep Tom's Pick sampler looper performance usb-host grid-controller

16 The Bellsby James SaundersBellringing methods sequencer — 12 change-ringing methods with tempo and jitter, quantised to six scales Tom's Pick sequencer bellringing process permutation cv scale generative

17 COMETby EMEClocked lo-fi reverb and delay effect reverb delay lo-fi clock

18 Chord Organ-ishby jkeyworthChord Organ-ish - 16 chords, 8 voices, 1V/oct root. Inspired by Music Thing Chord Organ. synthesizer chords progression cv

19 Cellular Automata Sequencerby Ainews16-cell gate and quantized CV melody generator inspired by NLC Cellular Automata, using CA rules 90 & 150 on a 4x4 grid

20 Reverb+by Chris JohnsonReverb, plus a configurable toolkit of MIDI/pulse/CV utilities Included effect reverb midi-host utility clock

21 Resonatorby Johan EklundKarplus-Strong sympathetic resonator for droning and plucked textures, with chord & tanpura tunings, arpeggiator, pitch… Classic Start Here effect resonator karplus-strong drone plucked

22 Sheepby Dune DesormeauxA time-stretching and pitch-shifting granular processor and digital degradation playground with 2 fidelity options. Classic effect granular time-stretch pitch-shift glitch

23 SlowModby divmodChaotic quad-LFO with VCAs modulation lfo utility cv

24 Crafted Voltsby Brian DorseyManually set control voltages (CV) with the input knobs and switch. It also attenuverts (attenuates and inverts) incomi… Useful utility cv attenuverter voltage-source

25 Utility Pairby Chris Johnson25 small utilities, which can be combined in pairs Classic Start Here Useful utility multi-tool modulation effects

26 Clockworkby Vincent Maurer6-channel polyrhythmic timing and modulation generator inspired by Pamela's Workout. Deep clock trigger lfo envelope sequencer polyrhythm quantizer

27 Sirenby Moses HoytMulti-algorithm drone oscillator. Inspired by the Forge TME Vhikk X. Start Here Instant Win drone oscillator stereo fixed-point processor

28 Eighties Bassby Tod Kurt (@todbot)Bass-oriented complete monosynth voice consisting of five detuned saw wave oscillators with mixable white noise and adj… bass monosynth filter detune mozzi

29 XHT Cardby Adrian VosA playable deep-note-inspired stereo chord swarm with manual scrubbing, one-shot movement, delay, reverb, CV, pulse, an… synthesizer stereo effect midi midi-host cv clocked workshop-computer

30 Cirpy Wavetableby Tod Kurt (@todbot)Wavetable oscillator that using wavetables from Plaits, Braids, and Microwave, wavetable oscillator circuitpython lfo pwm-audio

31 ESPby Ben RegnierA MS-20-style External Signal Processor that includes a preamp, bandpass filter, envelope follower, gate, and 1v/oct pi… Useful external-signal-processor envelope-follower pitch-tracker gate-extractor filter

32 Vinkby Ben RegnierDual delay loops with sigmoid saturation for Jaap Vink / Roland Kayn style feedback patching Wild delay feedback saturation dual-tap experimental

33 drumdrumby Moses HoytDFAM-style 8-step sequencer Useful sequencer percussion cv usb-host webmidi

34 DualQuantby Adrian VosDual quantised granular pitch shifter with calibrated 1V/oct CV outputs granular pitch-shifter dual-output quantizer fixed-point

35 FreqShiftby Ben RegnierDual Input Frequency Shifter for Feedback Experimentation Wild frequency-shifter feedback experimental dual-sideband

36 GradualProcessby James SaundersThree generative composition processes (Glass, Reich, Pärt) in one card, chosen by Main's position at power-on generative sequencer minimalism phase harmony multi-mode

37 Compulideanby Tristan RowleyGenerative Euclidean drum + sample player.

38 Odby M. John MillsLoopable chaotic Lorenz attractor trajectories and zero-crossings as CV and pulses, with sensitivity to initial conditi…

39 Knotsby Jeff FletcherSix-engine oscillator firmware for the Music Thing Workshop System

41 Blackbirdby Dune DesormeauxA scriptable, live-codable, USB-serial-to-CV device implementing monome crow's protocol Deep Useful

42 Backyard Rainby Brian DorseyNature soundscape audio. A cozy rain ambience mix for background listening. You control the intensity. This card plays… Classic Tom's Pick Instant Win ambience lfo noise stereo field-recording

43 Castle Processby Adrian VosFort Processor-inspired harsh noise processor with chopped external audio and a bass pulse voice Wild harsh-noise performance chopped-audio bass lo-fi

44 Birdsby Tom WhitwellTwo birds sing to each other controlled by a Turing-style shift register sequencer with clock in and CV/pulse out. Instant Win

45 Bendsby Vincent Maurer6-Stage Stereo Multi-FX, Glitch Looper & Digital Degradation Engine multi-fx delay reverb glitch looper filter chorus bitcrush

47 NZTby @kjnilssonGrain Noise and Noise Tools

48 Two Tracksby Joep VermaatTwo Tracks — Dual-read-head phase looper. Record a mono loop to flash (IMA-ADPCM) and play it through two independent h… looper phase delay dual-head

49 Tape Biasby Adrian Vos1960s-inspired reel-to-reel record/replay simulator with virtual bias calibration. effect tape reel-to-reel saturation experimental

50 Fluxby Vincent MaurerMulti-FX processor, polyphonic synthesizer, and CV utility module. Classic Deep multi-fx synthesizer sampler utility midi

51 Grainsby Vincent MaurerGranular sampler, live audio cloud processor, and scrubbable tape player. granular sampler lfo reverb tape

52 F1shnetby Adrian VosFishy filter/sample-hold card with synth-friendly envelope follower motion and random stepped filter gestures. effect filter sample-hold envelope-filter

53 Glitterby Steve JonesGranular Looping Sampler granular looper stereo glitch sampler

54 Tapegradeby Adrian VosMono-input stereo cassette warble processor with wow, flutter, hiss, crackle, and tape wear morphing. Start Here Wild tape degradation stereo modulation lo-fi

55 Fifthsby Dune DesormeauxA quantizer/sequencer that can create harmony and nimbly traverse the circle of fifths in attempts to make jazz quantizer sequencer harmony cv generative

56 Krellby Benjamin ReilyKrell generative krell dual-channel envelopes random-pitch

57 Glitchby Andy Jenkinson (uglifruit)Clock-synced beat-repeater with ratcheting, reversal and audio degradation beat-repeat stutter glitch clocked lo-fi

58 LoCho Vibesby Adrian VosStereo chorus and vibrato effect featuring triangle, sine, and slow drift LFO modes, modulation-based delay movement, a…

59 BitPhaseby Adrian VosResonant 4-stage phaser for the Workshop Computer with deep notch filtering, wide modulation sweeps, controllable reson… effect phaser tremolo lo-fi

60 Markovby Andy Jenkinson (uglifruit)Dual generative Markov chain module — evolving melody left, rhythmic percussion right, with internal synth voice generative markov sequencer melody percussion quantiser

61 ZXby Andy Jenkinson (uglifruit)A cycle-accurate ZX Spectrum 128K that turns the modular jacks/knobs/switch into a patchable control surface — plus One… Magic Deep emulator zx-spectrum z80 ay-3-8912 pt3 1bit chiptune

62 BioMimicryby Andy Jenkinson (uglifruit)Six physics engines generating organic, semi-random triggers, CV and audio Tom's Pick generative rhythm stochastic triggers drums swarm organic sample-player

63 NIBBLEby Andy Jenkinson (uglifruit)Turns the Workshop System's mysterious four buttons into tools to make melodic lines and lo-fi drum loops keyboard quantiser scales drums looper sequencer four-voltages

64 Voices of SIDby Joep VermaatDual MOS 6581 SID emulation (reSID engine) with CV/gate control, stereo output, waveform selection, and randomize synthesizer sid chiptune dual-voice cv-gate

66 stretchcoreby Infinite DigitsMono sample-loop player with tempo control, timestretch, position jumps, and browser-based sample loading Classic Wild sampler looper timestretch web-serial

67 Fragmentsby Max HarnishfegerSix-slot sampler and sequencer with MIDI pitch control, configurable random CV outputs, saved kits, alternate variation… sampler sequencer microlooper midi random-cv

69 Traceby Ruiyang WangOscillograph stereo oscillator Magic

71 Degeneratorby Joep VermaatDegenerator — Disintegrating Looper. Capture audio loops and apply irreversible degradation with 6 algorithms (Saturati… looper sampler distortion glitch disintegration

72 Motorikby Joep VermaatMotorik drum machine — kick/snare/hihat with bass and melody CV, classic Krautrock grooves Tom's Pick motorik krautrock rhythm drum simple drive endless

73 VSSby @kjnilsson6-voice polyphonic µ-law sampler inspired by the Yamaha VSS-30 Instant Win sampler polyphonic midi-host effect

74 Wild Pebbleby Adrian VosMIDI-clockable generative rhythm and melody organism inspired by Pet Rock

75 Turing Cloudsby AinewsTuring Machine-driven granular texture generator and rhythmic delay for the Workshop Computer

76 Hot Fuzzby Joep VermaatA stereo fuzz/distortion + resonant wah effects processor with manual and auto-wah modes, built on fixed-point DSP. fuzz distortion wah filter effects-processor envelope-follower

77 Punk Confusionby Adrian VosPunk by name, split-brain by design: Atari Punk Console synth, broken-basement PA effect, and venue-linked vocal calls synth effect sample-playback noise lofi performance web-serial

78 Talkerby Chris JohnsonProof of concept speech synthesizer, based on TalkiePCM, inspired by 1970s LPC speech synths. speech synth lpc audio-processing

79 Slagby Jason MooreMetallic percussion driven by a lockable random step sequencer.

81 West Coast LPGby Jason MooreDual vactrol-emulating low-pass gate (combined VCA + low-pass filter) with fast-attack/slow-decay 'plong', self-pinging…

82 Computer Gridsby Phil MillerGrids-inspired trigger sequencer with Web MIDI SysEx configuration. sequencer trigger midi-host drums

83 Origamiby Jason MooreDual oversampled wavefolder — triangle / sine / hard-clip folding with bias (even-harmonic) control and CV over fold de…

84 Cosmik C1ZZL3by Adrian VosCore 1.4 and Rad v9 dual phase-distortion synth and Turing machine firmware with shared Web MIDI editing and CZ patch i… Deep synth midi web-midi turing-machine phase-distortion

85 PlantHolderby Phil MillerUSB MIDI host and Placeholder-style reverb — built for the Instruo Pocket Scion, happy with any USB MIDI device. Useful effect reverb midi-host midi-to-cv

86 Tesseraeby Joep VermaatTesserae — Variable-voice (2-8) arpeggiated chord generator with 5 patterns, 10 scales, tap tempo, CV/audio transpose i… arpeggiator harmonic cv utility

87 Fr330hfr33by Adrian VosHardware-tested acid bass synthesiser with selectable saw or square oscillator, switchable 18 or 24 dB diode-style filt… synth midi web-midi sequencer filter acid

88 Blankby Tom WhitwellReserved for blank cards Included

89 Lockstepby Jason MooreDual quantized pitch-mover — two CV outs walk together through a scale to drive two oscillators in parallel

90 Pantographby Kenny ShenTrace and record CV — record knob movements, loop them at bipolar speed cv recorder looper lfo envelope modulation

91 Chorganby Andy Jenkinson (uglifruit)Six-voice morphing chord synthesizer with extension presets and a built-in eight-slot chord sequencer Instant Win synthesizer chord sequencer polyphonic portamento

92 USB MIDI Hostby Dan GalbraithUSB MIDI host/device to CV, gate, and audio, with a browser editor for config and testing midi-host midi-to-cv synthesizer polyphonic web-midi utility

93 Turing Matrixby Adrian VosTuring Machine sequencer with a switchable mixer layer inspired by the Music Thing Modular Turing Machine and Vactrol M… sequencer turing-machine random clock cv mixer

94 Ouroborosby Jason MooreA tape loop, eating its own tail.

95 OffAirby Andy Jenkinson (uglifruit)AM/Shortwave/Longwave radio simulator with heterodyne whistles, SSB detuning and swelling static Wild radio sampler noise effect generative

96 Cathode Rayby Andy Jenkinson (uglifruit)Composite video synthesiser (PAL + NTSC builds) — oscilloscope, etch-a-sketch & spectrum analyser, greyscale via dither… Magic video composite oscilloscope visualiser performance

97 Alloyby Eric GaoFixed-point 15-zone cross-modulator with a clocked Turing CV and gate companion. dsp modulation ring-modulation wavefolder vocoder turing-machine

98 Duo MIDIby Dune DesormeauxA duophonic midi device/host interface midi cv duophonic blackbird

99 Toolboxby divmodMixer, VCA, noise, S&H, clock generator, etc. utility mixer vca clock noise

101 C1ZZL3 Gnarlyby Adrian VosDual-oscillator phase distortion synth voice with recipe wave banks, named Web MIDI sound presets, separate oscillator… Wild synth midi web-midi phase-distortion dual-oscillator stable

102 NIBBLE-KOby Andy Jenkinson (uglifruit)A 12-voice synth/sample percussion looper for the Four Voltages module, with a browser sample manager drums looper sample-player effects performance four-voltages webmidi

103 SPECTRALby Andy Jenkinson (uglifruit)A spectral filter bank with randomly modulated logarithmic bands — the Spectral Clouds mode from Kammerl's Clouds fork,… New effect spectral fft filter texture freeze tape-delay

104 Barber's Poleby Andy Jenkinson (uglifruit)An infinite glissando — Shepard-Risset tones that rise or fall forever, as sine tones or by octave-stacking live audio New effect synth pitch-shift shepard barbers-pole glissando scale octave-stack percussion

105 Voderby Andy Jenkinson (uglifruit)The 1939 Bell Labs Voder - a filter and formant based voice-synthesis machine, invented by Homer Dudley - played by han… New synth formant vocal speech emulation filter usb-host midi

106 Uncertaintyby Matt AllisonBuchla 266-style noise/FRV/QRV, plus a wavefolder and pulse alternator. New Useful source-of-uncertainty random noise wavefolder utility

107 Scintillatorby Matt AllisonAnalog-computer argument/function chain, a triggerable kick drum, and Geiger-style collision gates. New analog-computer kick drum random utility

108 GBA PSG Voiceby Andy Jenkinson (uglifruit)Boots a cartridge-less Game Boy Advance over the pulse jacks via BIOS Multiboot, then plays it as a chiptune synth voic… New Tom's Pick Magic gba link-cable multiboot chiptune psg synth-voice drums screen quantiser

174 Skipping Stonesby Adrian VosMarbles-inspired controlled-random patch conductor for the Workshop System. New random sequencer generative cv workshop-system

202 ScaryLingoby Adrian VosHardware-tested ring modulator with internal or external carrier, LFO, and patchable control outputs. ring-modulator effect lfo voice modulation

303 Acidby Samuel SmithA 303-style step sequencer sequencer acid 303 cv

355 RYK 355 Pitch to Voltage / 350 Vocoderby RYK ModularMonophonic pitch tracker and 14-band vocoder with an internal chord synth pitch-tracker vocoder envelope-follower oscillator effect cv

433 433 Sense of Spaceby Adrian VosWhimsical 4'33"-inspired ambience looper with a three-loop transport, LED countdown, restlessness fidgets, Pulse In res… ambience reverb sampler experimental foley

580 Vortex Runnerby Adrian VosSplit-output cinematic synth voice with Web MIDI editing. New synth midi web-midi split-output cs-80-inspired draft

666 WS-DOOMby incomputable.ioDoom, running entirely on the Computer — play it by ear with knobs, CV and the enemy-panned stereo mix Tom's Pick Magic game doom

818 Bibesqueby Adrian VosBib-inspired stereo dub delay, reverb and tape processor New Useful effect delay reverb stereo tape clocked

833 BuzzyBeeby Adrian VosHardware-tested Buzzrito saw and sub swarm with virtual XY motion and note-memory chords. New synthesizer oscillator drone stereo cv webusb

877 RYK B77 Tape Samplerby RYK ModularTwo-track tape sampler with variable-speed playback and CV crossfading Magic sampler tape recorder looper reverse cv

910 RYK 910 Pitched Delayby RYK ModularPitch-shifting delay with feedback, freeze and voltage control Classic delay pitch-shifter effect freeze feedback cv

999 Dub Warningby Adrian VosPlayable dub warning siren with PT2399-style delay. New Tom's Pick synthesizer effect drone trigger