Workshop Computer Program Cards

Turing Machine Dual Turing Machine with quantized outputs and tap tempo

Reverb+ Reverb, plus a configurable toolkit of MIDI/pulse/CV utilities

Simple MIDI USB MIDI interface and Computer calibrator.

Blank A blank card is a blank canvas. Install any card firmware you want from this site. Learn how

66stretchcore Mono sample-loop player with tempo control, timestretch, position jumps, and browser-based sample loading Classic Wild

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

21Resonator Karplus-Strong sympathetic resonator for droning and plucked textures, with chord & tanpura tunings, arpeggiator, pitch tracking and web-configurable CV/pulse outputs. Classic Start Here

42Backyard Rain Nature soundscape audio. A cozy rain ambience mix for background listening. You control the intensity. This card plays rain ambience which was recorded in my backyard. Classic Tom's Pick Instant Win

102NIBBLE-KO A 12-voice synth/sample percussion looper for the Four Voltages module, with a browser sample manager

77Punk Confusion Punk by name, split-brain by design: Atari Punk Console synth, broken-basement PA effect, and venue-linked vocal calls

79Slag Metallic percussion driven by a lockable random step sequencer.

85PlantHolder USB MIDI host and Placeholder-style reverb — built for the Instruo Pocket Scion, happy with any USB MIDI device. Useful

62BioMimicry Six physics engines generating organic, semi-random triggers, CV and audio Tom's Pick

45Bends 6-Stage Stereo Multi-FX, Glitch Looper & Digital Degradation Engine

26Clockwork 6-channel polyrhythmic timing and modulation generator inspired by Pamela's Workout. Deep

48Two Tracks Two Tracks — Dual-read-head phase looper. Record a mono loop to flash (IMA-ADPCM) and play it through two independent heads with separately controllable positions and loop lengths for evolv…

101C1ZZL3 Gnarly Dual-oscillator phase distortion synth voice with recipe wave banks, named Web MIDI sound presets, separate oscillator envelopes, CZ patch import support, and an eight-knob MIDI CC performa… Wild

54Tapegrade Mono-input stereo cassette warble processor with wow, flutter, hiss, crackle, and tape wear morphing. Start Here Wild

433433 Sense of Space Whimsical 4'33"-inspired ambience looper with a three-loop transport, LED countdown, restlessness fidgets, Pulse In restart, and chair creak one-shot.

87Fr330hfr33 Hardware-tested acid bass synthesiser with selectable saw or square oscillator, switchable 18 or 24 dB diode-style filtering, accent and glide, distortion, USB MIDI device/host operation, a…

16The Bells Bellringing methods sequencer — 12 change-ringing methods with tempo and jitter, quantised to six scales Tom's Pick

36GradualProcess Three generative composition processes (Glass, Reich, Pärt) in one card, chosen by Main's position at power-on

79Slag Metallic percussion driven by a lockable random step sequencer. New

82Computer Grids Grids-inspired trigger sequencer with Web MIDI SysEx configuration.

26Clockwork 6-channel polyrhythmic timing and modulation generator inspired by Pamela's Workout. New Deep

45Bends 6-Stage Stereo Multi-FX, Glitch Looper & Digital Degradation Engine New

50Flux Multi-FX processor, polyphonic synthesizer, and CV utility module. Classic Deep

51Grains Granular sampler, live audio cloud processor, and scrubbable tape player.

85PlantHolder USB MIDI host and Placeholder-style reverb — built for the Instruo Pocket Scion, happy with any USB MIDI device. New

06USB Audio & MIDI 6-channel USB audio interface and USB MIDI device with configurable CV/gate mapping.

33drumdrum DFAM-style 8-step sequencer

31ESP A MS-20-style External Signal Processor that includes a preamp, bandpass filter, envelope follower, gate, and 1v/oct pitch outs.

41Blackbird A scriptable, live-codable, USB-serial-to-CV device implementing monome crow's protocol Deep

25Utility Pair 25 small utilities, which can be combined in pairs Classic Start Here

61ZX A cycle-accurate ZX Spectrum 128K that turns the modular jacks/knobs/switch into a patchable control surface — plus OneBit (1-bit beeper synth) as an alternate boot mode. Deep

877RYK B77 Tape Sampler Two-track tape sampler with variable-speed playback and CV crossfading

666WS-DOOM Doom, running entirely on the Computer — play it by ear with knobs, CV and the enemy-panned stereo mix Tom's Pick New

96Cathode Ray Composite video synthesiser (PAL + NTSC builds) — oscilloscope, etch-a-sketch & spectrum analyser, greyscale via dithering, performance effects, 8 alt-boot screensaver/game modes

69Trace Oscillograph stereo oscillator

12AM Coupler AM radio transmitter / coupler

04BYO Benjolin Rungler, Chaotic VCO, Noise Source, Turing Machine, Quantizer Wild Classic

15MLRws A remix of monome's classic MLR sample cutting platform (grid controller encouraged but optional). Diagrams here are for Gridless mode. Deep Tom's Pick

41Blackbird A scriptable, live-codable, USB-serial-to-CV device implementing monome crow's protocol Deep Useful

11Goldfish Weird delay/looper for audio and CV Classic

67Fragments Six-slot sampler and sequencer with MIDI pitch control, configurable random CV outputs, saved kits, alternate variation mode, web editor, and included 24 kHz long-sample firmware.

66stretchcore Mono sample-loop player with tempo control, timestretch, position jumps, and browser-based sample loading Classic Wild

53Glitter Granular Looping Sampler

73VSS 6-voice polyphonic µ-law sampler inspired by the Yamaha VSS-30 Instant Win