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danja
Also written Danny Ayers
Danja
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.
117 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.
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
Modern Stradella-style Launchpad chord controller with transport-aware trigger modes.
free
open source
MIT
LV2
instrument
Stereo ambient processor with rearrangeable time, spectral, tape, shimmer, delay, drive, and feedback modules.
free
open source
MIT
VST3
effect
Cellular-automata MIDI generator with pheromone trails.
free
open source
MIT
LV2
utility
Transport-synchronised chord-capture and scale-derived arpeggiator.
free
open source
MIT
VST3
midi
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
Transport-synced monophonic bass generator with persistent patterns, meter-aware
free
open source
MIT
VST3
midi
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
Sidechain ducker with harmonic stereo synthesis. A kick-drum or other
free
open source
MIT
VST3
effect
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
Hybrid subtractive/physical-modelling water sound generator: streams, rivers, ocean waves, bubbles, drips, and rain.
free
open source
MIT
VST3
Transport-aware MIDI harmonizer and comping generator.
free
open source
MIT
VST3
midi
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
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
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
Twelve-voice keys, reed, pad, pluck, and glass instrument for melody, counterpoint, and chords.
free
open source
MIT
VST3
instrument
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
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
Text to MIDI CC generator for Chatterbox speech synthesis
free
open source
MIT
LV2
utility
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
Euclidean transport-synced capture/mix effect for rhythmic chord-like layering.
free
open source
MIT
LV2
effect
Bar-aligned intro/development/break/reprise/coda section generator.
free
open source
MIT
VST3
midi
modulation
Experimental stereo convolver whose FIR kernel is regenerated by an internal waveform synth.
free
open source
MIT
LV2
effect
Learns incoming MIDI and emits a related monophonic counter-melody.
free
open source
MIT
VST3
midi
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
Stereo distortion with six modes (soft clip, tanh, fuzz, overdrive, tube, wavefold) and MIDI CC control of drive via Drift.
free
open source
MIT
VST3
effect
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
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
Transport- and meter-aware MIDI drum generator with fills, style modes,
free
open source
MIT
VST3
midi
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
Stereo synthesised drum instrument and natural sound source for DrumGen and Xoxolo.
free
open source
MIT
VST3
instrument
drums
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
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
Transport-aware deterministic Euclidean stereo gate.
free
open source
MIT
VST3
effect
Euclidean bar-block mixer with transport-synced gating and fades.
free
open source
MIT
LV2
effect
Euclidean rhythm-based delay with tempo-synced taps.
free
open source
MIT
LV2
effect
Native VST3 ports and original plugins from the Downspout project.
MIT
VST3
instrument
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
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
Monophonic host-synced bassline MIDI generator with genre-biased phrase generation and exact pattern persistence.
free
open source
MIT
LV2
utility
MIDI CC controller for flues-synth with 31 programs (0-30) and 9 parameter sliders
free
open source
MIT
LV2
utility
Transport-synced polyphonic drum MIDI generator with genre templates, Euclidean variation, and exact pattern persistence.
free
open source
MIT
LV2
utility
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
Two-pattern Euclidean MIDI generator with boolean logic combiner and single-note output.
free
open source
MIT
LV2
utility
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
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
Chaotic glitch instrument with scenes, macros, actions, randomisation, and performance controls.
free
open source
MIT
VST3
instrument
Transport-aware MIDI modulation and action sequencer designed to control Gremlin.
free
open source
MIT
VST3
midi
modulation
Tempo-aware modulation source that emits Gremlin-friendly MIDI CC and action notes.
free
open source
MIT
LV2
utility
Long-form transport-synced MIDI bass generator that plans across 8–64 bar forms,
free
open source
MIT
VST3
midi
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
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
Autonomous voice-led harmony generator with tonal, modal, chromatic-mediant, and neo-Riemannian-inspired movement.
free
open source
MIT
VST3
midi
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
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
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
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
Conway Game of Life sequencer mapping cellular generations to melodic or drum MIDI.
free
open source
MIT
VST3
midi
modulation
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
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
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
Launchpad-oriented performance generator whose lit cells become bass, chord, melody, and drum agents.
free
open source
MIT
VST3
midi
modulation
Transport-aware MIDI gate combining probabilistic transitions with Euclidean blocks.
free
open source
MIT
VST3
midi
Phrase-aware melody generator with contour, question/answer structure, and reactions to incoming context.
free
open source
MIT
VST3
midi
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
Online LSTM time-series predictor with tempo-synced warmup and fully wet output.
free
open source
MIT
LV2
effect
LV2 plugin host with MCP control.
free
open source
MIT
LV2
effect
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
Reflect MIDI note events around a pivot note.
free
open source
MIT
LV2
utility
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
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
Fixed-capacity MIDI phrase memory that captures, recalls, transforms, and recombines motifs in listen, accompany, or autonomous modes.
free
open source
MIT
VST3
midi
modal synth for struck objects — xylophone, glockenspiel, woodblock, glass bowl, metal sheet, and tube
MIT
VST3
instrument
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
Four-slot WAV sampler with deterministic slicing, zero-crossing boundary snapping, pitch variation, reverse probability, stereo spread, and autonomous triggering.
free
open source
MIT
VST3
midi
instrument
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
Transport-aware stereo motion effect with seeded orbit, pendulum, random-walk, and figure-eight trajectories.
free
open source
MIT
VST3
effect
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 prototype client: stereo endpoint with persisted session identity, live localhost control transport, status outputs, and offline demo modes.
free
open source
MIT
LV2
effect
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
Probabilistic mixer that applies gain changes at bar boundaries.
free
open source
MIT
LV2
effect
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
Launchpad dub performance effect with echo throws, splashes, sirens, hits, dropouts, chops, and freezes.
free
open source
MIT
VST3
effect
Four-lane Euclidean MIDI generator with independent coprime lengths, rotations, probabilities, ratchets, accents, and phase drift.
free
open source
MIT
VST3
midi
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
Quantizes MIDI notes to a selected key and scale.
free
open source
MIT
LV2
utility
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
Eight-voice damped resonator bank that turns stereo input into pitched material using MIDI tuning or an internal scale.
free
open source
MIT
VST3
effect
Transport-locked live/sample buffer disruptor for chop, stutter, reverse, skip, smear, and pitch-slip actions.
free
open source
MIT
VST3
effect
Transport-synchronised audio pitch-shift pattern effect scaffold.
free
open source
MIT
LV2
effect
MIDI phrase player with deterministic local generation and optional localhost coordinator mode.
free
open source
MIT
VST3
midi
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
Monophonic MIDI filter with selectable note selection strategies.
free
open source
MIT
LV2
utility
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
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
Polyphonic avian vocal synthesizer using Mindlin-Laje ODE models with ten bird presets: Wren, Thrush, Warbler, Finch, Robin, Nightjar, Pigeon, Hummingbird, Starling, and Custom.
free
open source
MIT
VST3
instrument
Eight-input mono-strip mixer with level, pan, mute, solo, metering, and stereo master output.
free
open source
MIT
VST3
utility
mixing
Transport-synchronized MIDI generator.
free
open source
MIT
VST3
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
Text-to-music instrument and MIDI generator with configurable alphabets, scales, and microtonal tunings.
free
open source
MIT
VST3
midi
instrument
Explicit x0x-style drum sequencer with 11 DrumKit-oriented lanes and patterns up to 32 steps.
free
open source
MIT
VST3
midi
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