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danja

Also written Danja Danny Ayers

This page is assembled from what the catalogue knows, not written by danja. If it is yours and something here is wrong, say so — corrections are welcome from anyone, and from the vendor most of all.

163 plugins in the catalogue. Also as JSON.

Identified in the catalogue as http://purl.org/stuff/plugin-universe/vendor/danja-ba40c9e0 — a minted identifier rather than a name, so it survives a change of spelling and is what a claim, a description or a logo attaches to.

8-Bit 8asterd

8-Bit 8asterd— danja

Three AY-3-8910 chips under the 8b8 firmware, running unmodified as WebAssembly. Nine voices across three chips, hardware envelopes, a percussion set on channel 10, and the firmware's own vibrato, tremolo, arpeggiator, b

free open source Apache-2.0 Jig instrument

Achord— Danny Ayers

Modern Stradella-style Launchpad chord controller with transport-aware trigger modes.

free open source MIT LV2 instrument

Ambo

Ambo— danja

Stereo ambient processor with rearrangeable time, spectral, tape, shimmer, delay, drive, and feedback modules.

free open source MIT VST3 effect

Ants— Danny Ayers

Cellular-automata MIDI generator with pheromone trails.

free open source MIT LV2 utility

ArpGen

ArpGen— danja

Transport-synchronised chord-capture and scale-derived arpeggiator.

free open source MIT VST3 midi

ArpIso— Danny Ayers

free open source MIT LV2 instrument

Basilico

Basilico— danja

Monophonic bass instrument with upright, electric, dub, acid, and industrial models. Voice block adds a sine harmonic at an integer multiple of the main pitch. Wobble Sub Mix modulates sub level via the LFO. Envelope Sub

free open source MIT VST3 bass instrument

BassGen

BassGen— danja

Transport synced bass line generator. Scale, genre and subdivision shape a seeded pattern that plays in time with the session and can be steered from a keyboard.

free open source Apache-2.0 Jig midi

BassGen

BassGen— danja

Transport-synced monophonic bass generator with persistent patterns, meter-aware

free open source MIT VST3 midi

Bassops

Bassops— danja

Sidechain ducker with harmonic stereo synthesis. A kick-drum or other

free open source MIT VST3 effect

Beards

Beards— danja

Granular texture processor after Mutable Instruments Beads: a 4 second stereo buffer replayed by up to 32 grains, with feedback, freeze and reverb. Controllable from Drift and Conductor.

free open source MIT VST3 effect

Boost

Boost— danja

A gain stage in C++, the minimal starting point for a WebAssembly Jig: everything in boost.cpp beyond jig_process is ABI wiring, meant to be copied.

free open source Apache-2.0 Jig effect utility

Bubbles

Bubbles— danja

Hybrid subtractive/physical-modelling water sound generator: streams, rivers, ocean waves, bubbles, drips, and rain.

free open source MIT VST3

Cadence

Cadence— danja

Transport synced MIDI harmonizer that learns a chord cycle from what it hears and plays voiced progressions with comping in time with the session.

free open source Apache-2.0 Jig midi

Cadence

Cadence— danja

Transport-aware MIDI harmonizer and comping generator.

free open source MIT VST3 midi

Cadence— Danny Ayers

Transport-synced MIDI harmonizer that learns one cycle of a monophonic line, infers fitting chords per segment, and emits a voiced progression on subsequent cycles.

free open source MIT LV2 utility

Campione

Campione— danja

Multi-zone sampler with per-note MIDI mapping, pitch-shift gap fill, zero-crossing loop snap, and crossfade looping.

free open source MIT VST3 instrument

Canticle

Canticle— danja

Twelve-voice keys, reed, pad, pluck, and glass instrument for melody, counterpoint, and chords.

free open source MIT VST3 instrument

Canticle

Canticle— danja

Twelve-voice polyphonic tonal instrument for the middle of an ensemble: keys, reed, pad, pluck and glass tones for melody, counterpoint and chords.

free open source Apache-2.0 Jig instrument

Cascade

Cascade— danja

Schroeder plate reverb with per-mode scaling, damping inside the feedback loop, and a freeze that holds the tail indefinitely.

free open source Apache-2.0 Jig effect

ChatGen— Danny Ayers

Text to MIDI CC generator for Chatterbox speech synthesis

free open source MIT LV2 utility

Chatterbox— Danny Ayers

free open source MIT LV2 instrument

Chipper

Chipper— danja

Stereo bitcrusher with MIDI-CC-controllable bit depth (1–16 bits), sample-rate divisor (1–64×), jitter, dry/wet mix, and output gain.

free open source MIT VST3 effect

Chordant— Danny Ayers

Euclidean transport-synced capture/mix effect for rhythmic chord-like layering.

free open source MIT LV2 effect

Clatter

Clatter— danja

General MIDI percussion generator: toms, bongos, congas, timbales, surdos, agogos, bells, claves, wood blocks, castanets, shakers, vibraslap, clap and guiros, in five synthesis families.

free open source MIT VST3

Conductor

Conductor— danja

Cuts the transport into bar-aligned sections (intro, development, break, reprise, coda), as an editable form of up to 12 steps or by seeded weighted choice, and at each boundary sends a section note and CCs for scene, de

free open source MIT Jig midi

Conductor

Conductor— danja

Bar-aligned intro/development/break/reprise/coda section generator.

free open source MIT VST3 midi modulation

Convulse— Danny Ayers

Experimental stereo convolver whose FIR kernel is regenerated by an internal waveform synth.

free open source MIT LV2 effect

Counterpointer

Counterpointer— danja

Transport synced MIDI processor that learns an incoming cycle and answers it with a monophonic counter-melody, in counterpoint or a descending bass register.

free open source Apache-2.0 Jig midi

Counterpointer

Counterpointer— danja

Learns incoming MIDI and emits a related monophonic counter-melody.

free open source MIT VST3 midi

Damiano

Damiano— danja

Stereo distortion with six modes (soft clip, tanh, fuzz, overdrive, tube, wavefold), optional split left/right processing for a binaural effect, and MIDI CC control of drive and shape per channel via Drift.

free open source MIT VST3 effect

Dice

Dice— danja

A MIDI probability gate: each note-on passes with the set probability, and a note-off passes if and only if its note-on did. The generator's evolving state is saved with the project, so a restored session gates exactly a

free open source Apache-2.0 Jig midi

Drift

Drift— danja

Four-lane transport-synchronised MIDI CC modulator with LFO, sample-and-hold, random-walk, chaos, and envelope-follower modes.

free open source MIT VST3 effect midi modulation

DrumGen

DrumGen— danja

Transport synced MIDI drum generator. Genre, style mode and resolution shape a seeded pattern that plays in time with the session, with fills on the last bar of the loop and Conductor CC control.

free open source Apache-2.0 Jig midi

DrumGen

DrumGen— danja

Transport- and meter-aware MIDI drum generator with fills, style modes,

free open source MIT VST3 midi

DrumKit

DrumKit— danja

Eleven voice synthesised drum instrument. MIDI notes trigger the voices, the master bus adds crush, drive and room, and per-instrument mutes cut voices immediately.

free open source Apache-2.0 Jig instrument drums

DrumKit

DrumKit— danja

Stereo synthesised drum instrument and natural sound source for DrumGen and Xoxolo.

free open source MIT VST3 instrument drums

Dynamix

Dynamix— danja

Compressor/expander, limiter and clipper/soft distortion in series. A second stereo input on channels 3 and 4 is an external key: when it is connected, the compressor/expander stage reads its level from that instead of t

free open source Apache-2.0 Jig effect

E-Mix

E-Mix— danja

Transport-aware deterministic Euclidean stereo gate.

free open source MIT VST3 effect

E-Mix— Danny Ayers

Euclidean bar-block mixer with transport-synced gating and fades.

free open source MIT LV2 effect

Euclidean Gate— Danny Ayers

free open source MIT LV2 effect

EuDelay— Danny Ayers

Euclidean rhythm-based delay with tempo-synced taps.

free open source MIT LV2 effect

Fathom

Fathom— danja

Four-voice drone synthesizer: a five-algorithm generator, a per-voice notch filter, then a delay network (metallic or diffuse) with a frequency shifter in its feedback loop. Stereo out. Modelled on the signal flow of the

free open source MIT VST3

Fathom | Downspout

Fathom | Downspout— Danja

Native VST3 ports and original plugins from the Downspout project.

MIT VST3 instrument

Ferrite

Ferrite— danja

A neural amp model (nam-rs, MIT, ported from and validated against the reference Python and C++ implementations) in series with an impulse response, a cabinet or a room of up to 2.7 seconds, by partitioned FFT convolutio

free open source Apache-2.0 Jig effect

Floozy

Floozy— danja

Selectable 1-8 voice (default 4) hybrid physical/modulation synthesizer for expressive leads, plucks, and synthetic textures. Voice count is a host-automatable parameter; reducing it cuts CPU proportionally.

free open source MIT VST3 instrument

Floozy— Danny Ayers

free open source MIT LV2 instrument

Floozy Dev— Danny Ayers

free open source MIT LV2 instrument

Floozy Poly— Danny Ayers

free open source MIT LV2 instrument

Flues BassGen— Danny Ayers

Monophonic host-synced bassline MIDI generator with genre-biased phrase generation and exact pattern persistence.

free open source MIT LV2 utility

Flues Bubbles— Danny Ayers

free open source MIT LV2 instrument

Flues Control— Danny Ayers

MIDI CC controller for flues-synth with 31 programs (0-30) and 9 parameter sliders

free open source MIT LV2 utility

Flues Disyn— Danny Ayers

free open source MIT LV2 instrument

Flues DrumGen— Danny Ayers

Transport-synced polyphonic drum MIDI generator with genre templates, Euclidean variation, and exact pattern persistence.

free open source MIT LV2 utility

Flues Drumkit— Danny Ayers

free open source MIT LV2 instrument

Flues Euclid— Danny Ayers

Euclidean/stochastic MIDI rhythm generator for Drumkit. 8-24 step grid locked to host tempo with swing and per-track length.

free open source MIT LV2 utility

Flues EuclidMono— Danny Ayers

Two-pattern Euclidean MIDI generator with boolean logic combiner and single-note output.

free open source MIT LV2 utility

Flues Gremlin— Danny Ayers

free open source MIT LV2 instrument

FlueSynthDriver

FlueSynthDriver— danja

MIDI CC driver for the Flues physical-model vocal synthesizer. Translates plugin parameters into MIDI CC messages covering the Disyn oscillator algorithm, noise/DC source mix, interface type, formants (F1–F4), vocal mode

free open source MIT VST3 midi modulation

Gater

Gater— danja

MIDI-controlled stereo audio switcher that routes input to one of two stereo outputs based on note number parity.

free open source MIT VST3 effect

Ghost

Ghost— danja

Audio-triggered ghost-note generator: listens to incoming audio, quantises ghost hits to the transport 16th grid, and emits ghost drum beats on MIDI channel 10 or ghost notes on a selectable channel.

free open source MIT VST3

Glue

Glue— danja

Stereo-linked bus compressor with soft knee, sidechain high-pass, peak or RMS detector, program-dependent auto release, soft clip and parallel mix; shows its transfer curve and gain reduction.

free open source MIT VST3 effect

Gremlin

Gremlin— danja

Chaotic glitch instrument with scenes, macros, actions, randomisation, and performance controls.

free open source MIT VST3 instrument

GremlinDriver

GremlinDriver— danja

Transport-aware MIDI modulation and action sequencer designed to control Gremlin.

free open source MIT VST3 midi modulation

GremlinDriver— Danny Ayers

Tempo-aware modulation source that emits Gremlin-friendly MIDI CC and action notes.

free open source MIT LV2 utility

Grist

Grist— danja

Granular grain-delay effect. The input is recorded into a ring buffer and replayed by windowed grains, one per Window / Density, each with a random start (Blur), direction (Reverse), pan (Spread), length (Variance) and p

free open source MIT VST3 effect

Ground

Ground— danja

Transport synced long-form bass generator. Form shapes and phrase roles plan a whole section that plays in time with the session, with arc tension and Conductor control including scene-driven role overrides.

free open source Apache-2.0 Jig midi

Ground

Ground— danja

Long-form transport-synced MIDI bass generator that plans across 8–64 bar forms,

free open source MIT VST3 midi

Guardian

Guardian— danja

Output-safety processor with input gain, look-ahead limiting (attack + release), variable-curve clipping (soft to hard), DC removal, true-peak protection, bypass, and latched diagnostics.

free open source MIT VST3 effect utility

Harmonic Atlas

Harmonic Atlas— danja

Autonomous voice-led harmony generator with tonal, modal, chromatic-mediant, and neo-Riemannian-inspired movement.

free open source MIT VST3 midi

HeavyVerb

HeavyVerb— danja

Stereo master-bus reverb: one to six dimensions (wall pairs) each with its own distance in metres, damping and feedback filter, plus shimmer, swell, duck, gate and freeze effects and fifteen presets. No latency; the dry

free open source MIT VST3 effect

HelterSkelter

HelterSkelter— danja

Automatic wah pedal: resonant lowpass whose cutoff follows the input envelope and/or a BBT-synced ADSR cycle, with Drift CC control.

free open source MIT VST3 effect

Infra

Infra— danja

A stereo VCA driven by a beat-locked LFO. The LFO runs at a whole multiple of the host's beat rate (Auto picks the one nearest 10 Hz), kept within 1-20 Hz, with eight waveforms and a 0/90/180/270 degree phase for each ch

free open source MIT VST3 effect

JigDAW Gain Trim

JigDAW Gain Trim— danja

Converted by bin/jsfx-import.js from examples/jsfx/gain-trim.jsfx, a REAPER JSFX effect, and run under the shared interpreter in plugins/_jsfx-runtime/.

free open source Apache-2.0 Jig effect

JigDAW One-Pole Filter

JigDAW One-Pole Filter— danja

Converted by bin/jsfx-import.js from examples/jsfx/one-pole-filter.jsfx, a REAPER JSFX effect, and run under the shared interpreter in plugins/_jsfx-runtime/.

free open source Apache-2.0 Jig effect

JigDAW Soft Clipper

JigDAW Soft Clipper— danja

Converted by bin/jsfx-import.js from examples/jsfx/soft-clipper.jsfx, a REAPER JSFX effect, and run under the shared interpreter in plugins/_jsfx-runtime/.

free open source Apache-2.0 Jig effect

Keyframe

Keyframe— danja

Stretches audio in time and shifts its pitch, independently, by reducing the signal to its local extrema and crossfading between playheads over a span the extrema's own density chooses.

free open source Apache-2.0 Jig effect

Keyframe

Keyframe— danja

Extrema-sampling time stretch after Nielsen (DAFx26-26): the input is reduced to timestamped local extrema, and an overlap-add splice whose crossfade length follows keyframe spacing holds transients together with no tran

free open source MIT VST3

Ladder

Ladder— danja

Stereo four-pole saturating low-pass ladder filter with self-oscillating resonance, bass compensation, drive and a response plot.

free open source MIT VST3 effect

Lifeform

Lifeform— danja

Conway Game of Life sequencer mapping cellular generations to melodic or drum MIDI.

free open source MIT VST3 midi modulation

Lightverb

Lightverb— danja

Minimal stereo reverb using a fixed four-line feedback-delay network. No convolution, FFT, or modulation bank; favours predictable DSP workload over natural room simulation. Suitable as a mix insert (default 20% wet) or

free open source MIT VST3 effect

Lookahead

Lookahead— danja

A switchable lookahead delay for time-aligning parallel paths: direct, or held back by 512 frames. Changing position changes the plugin's latency, which the host compensates.

free open source Apache-2.0 Jig effect

Loopdelay

Loopdelay— danja

Stereo delay and capture looper. Time is freely settable (20–4000 ms) or host BBT-synced from a quarter beat to four bars. Delay mode provides filtered feedback and ping-pong crossfeed; Loop mode captures one length, sna

free open source MIT VST3 effect

Luma

Luma— danja

Launchpad-oriented performance generator whose lit cells become bass, chord, melody, and drum agents.

free open source MIT VST3 midi modulation

M-Mix

M-Mix— danja

Transport-aware MIDI gate combining probabilistic transitions with Euclidean blocks.

free open source MIT VST3 midi

Magneto

Magneto— danja

Midi-driven internal combustion engine simulator

MIT VST3 instrument

Magneto

Magneto— danja

Physically informed combustion engine sound generator: four-stroke cycle, per-cylinder digital waveguides, intake runners, extractors, muffler and tailpipe, driven by RPM and throttle.

free open source MIT VST3

Markov

Markov— danja

Markov-chain melody generator: a random walk over the twelve pitch classes driven by a 12 by 12 transition matrix, filled by one of eight styles or learned from a melodic line on its MIDI input, and played in time with t

free open source MIT Jig midi

Markov

Markov— danja

Markov-chain melody generator: a random walk over the twelve pitch classes through a visible 12x12 transition matrix that can be drawn, filled from a style, or learned from a melodic line on the MIDI input. Scale-masked,

free open source MIT VST3 midi

MelGen

MelGen— danja

Transport synced phrase-aware melody generator. Period, contour and answer shape a seeded line that plays in time with the session, follows an incoming line when asked, and answers Conductor CCs.

free open source Apache-2.0 Jig midi

MelGen

MelGen— danja

Phrase-aware melody generator with contour, question/answer structure, and reactions to incoming context.

free open source MIT VST3 midi

Memone— Danny Ayers

Online LSTM time-series predictor with tempo-synced warmup and fully wet output.

free open source MIT LV2 effect

MetaLV— Danny Ayers

LV2 plugin host with MCP control.

free open source MIT LV2 effect

MIDI Filter

MIDI Filter— danja

Steers MIDI between plugins: keeps one channel or all, moves what it keeps to another channel, transposes notes, and passes only the notes inside a range, so two of them split a keyboard between two instruments. A note-o

free open source Apache-2.0 Jig midi

MIDI Flip— Danny Ayers

Reflect MIDI note events around a pivot note.

free open source MIT LV2 utility

Midiscribe

Midiscribe— danja

Non-destructive MIDI capture utility. Passes all received MIDI events through unchanged while optionally recording them with beat-position timestamps into a rolling ring buffer. When the write trigger fires, captured eve

free open source MIT VST3 utility

Mixgen

Mixgen— danja

Transport-synchronized automatic producer for the Transmission Producer Control Bus. Generates eight repeatable gain lanes (random, quasi-random, or Euclidean) and emits them as MIDI CC 20–27, one CC per channel (ch 1 →

free open source MIT VST3 effect midi modulation

Mnemosyne

Mnemosyne— danja

Fixed-capacity MIDI phrase memory that captures, recalls, transforms, and recombines motifs in listen, accompany, or autonomous modes.

free open source MIT VST3 midi

Moka

Moka— danja

Polyphonic modal hit-object instrument: xylophone, glockenspiel, woodblock, glass bowl, metal sheet, and tube.

free open source MIT VST3 instrument

Moka

Moka— danja

A stereo MIDI synth built on modal synthesis: each voice is a bank of eight damped sine modes struck by a short mallet transient, giving xylophone, glockenspiel, woodblock, glass bowl, metal sheet and tube voices.

free open source MIT Jig instrument

Moka

Moka— danja

modal synth for struck objects — xylophone, glockenspiel, woodblock, glass bowl, metal sheet, and tube

MIT VST3 instrument

Monochord

Monochord— danja

Eight-voice waveguide string with plucked, bowed and hammered excitation, a loop tuned from its own phase delay, damping, stiffness, a pickup comb and a small body.

free open source MIT VST3 instrument

Monochord

Monochord— danja

Eight-voice waveguide string, plucked, bowed or hammered: a delay line closed into a tuned loop with damping, stiffness, a pickup comb and a small body.

free open source MIT Jig instrument

Mop

Mop— danja

Eighteen voice OPL3 FM General MIDI instrument, capped at eight voices by default, based on mop by M. Glargaard. The AdLib Sound Blaster sound of DOS-era games: FM timbres from mop's own bank, a drum kit on channel 10, a

free open source Zlib Jig instrument

Mosaic

Mosaic— danja

Four-slot WAV sampler with deterministic slicing, zero-crossing boundary snapping, pitch variation, reverse probability, stereo spread, per-channel pitch bend, and autonomous triggering.

free open source MIT VST3 midi instrument

NAM

NAM— danja

Neural Amp Modeler player: loads a .nam amp/pedal model and a .wav cabinet impulse response, with input gain, noise gate, three-band tone, IR cuts, dry/wet and output level.

free open source MIT VST3 effect

Octet

Octet— danja

Eight-band parametric equalizer, stereo, with 12 and 48 dB cuts, shelves, bells and notches, Left/Right and Mid/Side modes, a spectrum analyser and a graphic editor with a draggable node per band. A fresh instance passes

free open source MIT Jig effect

Octet

Octet— danja

Eight-band parametric equalizer with bell, shelf, notch and 12/48 dB Butterworth cut bands, Stereo, Left/Right and Mid/Side modes with per-band channel assignment, and a draggable response plot.

free open source MIT VST3 effect

Oracle

Oracle— danja

Audio and MIDI listener that extracts bounded musical features and emits mapped CC values plus optional guarded response notes.

free open source MIT VST3 effect midi modulation

Orbit

Orbit— danja

Transport-aware stereo motion effect with seeded orbit, pendulum, random-walk, and figure-eight trajectories.

free open source MIT VST3 effect

Orchid

Orchid— danja

Transport-aware voiced freeze effect using autocorrelation capture and grid-synchronised loop holds. Captured pitch is optionally quantised to one of 20 built-in scales. A retrigger threshold re-arms capture when input e

free open source MIT VST3 effect

Outsider Client— Danny Ayers

Outsider prototype client: stereo endpoint with persisted session identity, live localhost control transport, status outputs, and offline demo modes.

free open source MIT LV2 effect

P-Mix

P-Mix— danja

Transport-aware probabilistic stereo gate that creates evolving switching and rhythmic dropouts. Inputs 1-2: main stereo. Inputs 3-4: sidechain for Oppose.

free open source MIT VST3 effect

P-Mix— Danny Ayers

Probabilistic mixer that applies gain changes at bar boundaries.

free open source MIT LV2 effect

PadSeq— Danny Ayers

free open source MIT LV2 instrument

Parameq

Parameq— danja

Six-band stereo parametric equalizer in C++: peak, low and high shelf, low and high pass, band pass and notch shapes per band, each with its own enable, frequency, gain and Q.

free open source Apache-2.0 Jig effect

PaunchLad

PaunchLad— danja

Launchpad dub performance effect with echo throws, splashes, sirens, hits, dropouts, chops, and freezes.

free open source MIT VST3 effect

Plank

Plank— danja

Eight-voice polyphonic synthesizer for the Launchpad grid, with a Plinky-derived wavetable voice and Plonk-style resonator engines (beam, marimba, drumhead, membrane, plate, string).

free open source MIT VST3 midi instrument modulation

Polymeter

Polymeter— danja

Four-lane Euclidean MIDI generator with independent coprime lengths, rotations, probabilities, ratchets, accents, and phase drift.

free open source MIT VST3 midi

Pratt

Pratt— danja

Number-theoretic synthesizer and filter built from Pratt polynomials: eleven instrument voices whose spectra are shaped by the factorisation of (note+1) x base, a stable all-pole Pratt filter with two cascading index con

free open source MIT VST3

Primefold

Primefold— danja

Prime-harmonic feedback pitch shifter: direct 2x/3x/5x voices, non-prime harmonics via recirculation, bounded loop with explicit feedback delay. Reports feedforward latency; loop latency is uncompensated.

free open source MIT VST3

Pulse

Pulse— danja

Eight voice subtractive synthesiser with saw, square and triangle oscillators, a one-pole lowpass and an attack-release envelope.

free open source Apache-2.0 Jig instrument

Quadrangle— Danny Ayers

free open source MIT LV2 instrument

Quantico— Danny Ayers

Quantizes MIDI notes to a selected key and scale.

free open source MIT LV2 utility

Quartet

Quartet— danja

Eight-voice four-operator FM synthesizer with eleven algorithms, band-limited sine, saw and square operators, per-operator envelopes, feedback, optional 2x oversampling, a pitch envelope and a multimode filter.

free open source MIT VST3 instrument

Quartet

Quartet— danja

Eight-voice four-operator FM synthesiser with eleven algorithms, band-limited sine, saw and square operators, per-operator envelopes, feedback, optional 2x oversampling, a pitch envelope and a multimode filter. It opens

free open source MIT Jig instrument

Quefrency

Quefrency— danja

Separates its input through the cepstrum into a formant envelope and a harmonic structure, shifts and reshapes each independently, and multiplies them back together.

free open source Apache-2.0 Jig effect

Quefrency

Quefrency— danja

Cepstral formant and harmonic shifter: the input is separated through the cepstrum into a formant envelope and a harmonic structure, shifted and reshaped independently, and multiplied back together. Latency is 2047 frame

free open source MIT VST3

Qune

Qune— danja

Stereo pitch quantiser. Tracks the pitch of a voice or monophonic instrument and moves it to the nearest note of one of 24 scales, or to held MIDI notes. Three quality tiers (splice delay line, PSOLA, phase vocoder), opt

free open source MIT VST3 effect

Resonance Garden

Resonance Garden— danja

Twelve-voice damped resonator bank that turns stereo input into pitched material using MIDI tuning or an internal scale chosen from 23 scales.

free open source MIT VST3 effect

Retune

Retune— danja

Retunes a note stream to a Scala (.scl) scale by sending each held note on its own channel (2 to 16) behind a per-note pitch bend, so any synth that follows per-channel pitch bend can play microtonally.

free open source MIT Jig midi

Retune

Retune— danja

MIDI effect that retunes notes to a Scala .scl scale by sending each held note on its own channel (2-16) behind a per-note pitch bend.

free open source MIT VST3 midi

Rift

Rift— danja

Transport-locked live/sample buffer disruptor for chop, stutter, reverse, skip, smear, and pitch-slip actions.

free open source MIT VST3 effect

Sam

Sam— danja

Software Automatic Mouth, the 1982 Commodore 64 formant speech synthesiser, as an instrument: typed text is spoken either one word per MIDI note, sung at the pitch of the key, or one word per step from a start bar, locke

free open source Apache-2.0 Jig instrument

Sam

Sam— danja

Software Automatic Mouth, the 1982 formant speech synthesiser, as an instrument: typed text is spoken either one word per MIDI note, sung at the pitch of the key, or one word per step from a start bar, locked to the host

free open source MIT VST3

Shifty— Danny Ayers

Transport-synchronised audio pitch-shift pattern effect scaffold.

free open source MIT LV2 effect

Sidecar

Sidecar— danja

MIDI phrase player with deterministic local generation and optional localhost coordinator mode.

free open source MIT VST3 midi

Sinevox

Sinevox— danja

Formant tracker with two voices. Speech on inputs 1/2 is analysed for up to eight formants (centre frequency, Q, amplitude). Vocoder mode drives a parallel band-pass bank on inputs 3/4; sine wave speech mode drives a ban

free open source MIT VST3 effect

Skream

Skream— danja

Stereo distortion using an SVF filter and ADAA2-antialiased tanh feedback loop, ported from the Scream LV2 plugin. Controls: input gain, cutoff, scream (HP feedback), resonance, mix, output gain, and harmonic-locking tra

free open source MIT VST3 effect

Slimmer— Danny Ayers

Monophonic MIDI filter with selectable note selection strategies.

free open source MIT LV2 utility

Snatch

Snatch— danja

Snare drum generator with five engines, five presets, and tone, noise, snap, body and decay controls.

free open source MIT VST3

Speculate— Danny Ayers

free open source MIT LV2 effect

Spense

Spense— danja

Stereo phase disperser: up to eight cascades of eight all-pass filters that smear phase without changing level, with a group-delay plot. Reports stack x 7 samples of latency.

free open source MIT VST3 effect

Spliff

Spliff— danja

Adaptive transient processor in the Spiff manner: detects transients per frequency band and applies dynamic cuts or boosts only where transient energy exists, leaving the rest of the spectrum intact.

free open source MIT VST3 effect

Sprout

Sprout— danja

L-system MIDI generator: a grammar is rewritten for up to 16 generations, read as a turtle, and played as a monophonic, scale-quantised line locked to the host transport, optionally growing by one generation every few ba

free open source MIT Jig midi

Sprout

Sprout— danja

L-system MIDI generator: seven grammars, or a typed Custom one, rewritten per generation, read as a turtle and played as a scale-quantised (or held-note) monophonic line locked to the transport. Optional MIDI input: held

free open source MIT VST3 midi

Squelch

Squelch— danja

A resonant lowpass filter whose cutoff an envelope follower pushes up on every note, for the acid bass sweep. Put it after a synth: each note opens the filter and Decay sets how fast it closes. Plain JavaScript, no WebAs

free open source Apache-2.0 Jig effect

Stomp rack

Stomp rack— danja

A boost into a tremolo into a plate reverb, as one plugin: Drive, Tremolo depth and Reverb mix are all it exposes. The rack is built from three published Jigs by reference, and is the worked example of a composite plugin

free open source Apache-2.0 Jig effect

Stove Synth— Danny Ayers

free open source MIT LV2 instrument

Strata

Strata— danja

Eight-voice wavetable synthesizer with two band-limited table oscillators (Bend, Sync and Fold warp), a sine sub, unison, a resonant multimode filter, two envelopes and an LFO.

free open source MIT VST3 instrument

Syrinx

Syrinx— danja

Avian vocal synthesizer using Mindlin-Laje ODE models with eleven bird presets: Wren, Thrush, Warbler, Finch, Robin, Nightjar, Pigeon, Hummingbird, Starling, Custom and Crow (a hoarse, falling caw). Each MIDI note plays

free open source MIT VST3 instrument

T-Mix

T-Mix— danja

Eight-input mono-strip mixer with level, pan, mute, solo, metering, and stereo master output.

free open source MIT VST3 utility mixing

Thumper

Thumper— danja

Kick drum generator with ten synthesis engines, style presets, pitch/filter/amp envelopes, an optional second-engine layer and output distortion.

free open source MIT VST3

ToneWorm

ToneWorm— danja

Transport-synchronized MIDI generator.

free open source MIT VST3

Tops

Tops— danja

Hi-hat and cymbal generator with ten instruments, six engines and five presets.

free open source MIT VST3

Trajectory

Trajectory— danja

Eight-voice polygon-bounce synthesizer: the oscillator is a point bouncing inside a regular 3-12 sided polygon, its x and y position mixed into the waveform, shaped by a full ADSR envelope. Ported from the Flues Trajecto

free open source MIT VST3

Treatment

Treatment— danja

Physically modelled residual acoustic treatment panel: a mass-air-mass absorber with a porous fill, derived from real panel geometry (cavity, air gap, facing mass, flow resistivity). Up to four panels in series, a Ring m

free open source MIT VST3 effect

Tremolo

Tremolo— danja

Amplitude modulation by a sine LFO. Its whole signal path is JavaScript: no WebAssembly module, the worked example for a plugin whose processing does not need one.

free open source Apache-2.0 Jig effect

Trio

Trio— danja

Three-band downward and upward dynamics with adjustable Linkwitz-Riley crossovers, a linked detector per band, Time and Amount macros, and live per-band gain meters.

free open source MIT VST3 effect

Tuney VST

Tuney VST— danja

Text-to-music instrument and MIDI generator with configurable alphabets, scales, and microtonal tunings.

free open source MIT VST3 midi instrument

Valis

Valis— danja

Virtual Analog LLM Integrated System

Promoted MIT VST3 synth

Voxmod

Voxmod— danja

Combined vocoder and ring modulator. Inputs 1/2 are the analysed carrier, inputs 3/4 the modulator. Mix blends a filter-bank vocoder against a band-limited ring modulator in parallel; five CCs drive both engines.

free open source MIT VST3 effect

Xoxolo

Xoxolo— danja

Explicit x0x-style drum sequencer with 11 DrumKit-oriented lanes and patterns up to 32 steps. An optional cellular-automaton layer lets any lane evolve from its programmed pattern.

free open source MIT VST3 midi