midi
Operates on notes and control messages rather than on audio.
ADSR— Florian Mrugalla
A plugin that transforms MIDI input into an ADSR modulator audio output, usable as a modulation source for other plugins.
Artix— Spatian.dev
A simple Plugin that maps MIDI channels to notes, to simplify your keyswitches and more.
B-Step— Surge Synthesizer Team
The MonoPlugs b-step sequencer
BassLineMatrix— OTODESK
Algorithmic MIDI sequencer and built-in synthesizer that generates genre-specific basslines and chord progressions across 23 electronic music styles
BeatCrafter— Innermost
Intelligent MIDI drum pattern generator VST3 designed for live performance with foot controllers. Generate authentic patterns across multiple styles with dynamic intensity control.
BespokeSynth— BespokeSynth
A live-patchable, modular synth environment that can host VST/VST3/LV2 plugins internally, with sequencing, MIDI controller mapping, and Python scripting.
Birdhouse— Mads Kjeldgaard
Birdhouse listens for OSC messages and converts them to MIDI (note on/off, CC, pitch bend) in realtime, so OSC-based controllers and software can drive a DAW or plugin host directly.
BSEQuencer— sjaehn
A multi-channel MIDI step sequencer with a variable-size pattern matrix (up to 32x16), per-pad randomization, musical scale/drumkit support, and a built-in scale/drumkit editor.
Chartchotic— Noah Baxter
An au/vst plugin for DAWs that visualizes midi notes similar to how they appear in rhythm games like Clone Hero and YARG
ChordMatrix— OTODESK
MIDI chord sequencer combining music theory with algorithmic assistance — lookahead voice leading, smooth fingering, and context-aware modulation suggestions
Clockwork— Alexander Weichart
🎹 Simple MIDI note repeater plugin (VST3/CLAP).
Counterpointer— danja
Learns incoming MIDI and emits a related monophonic counter-melody.
DEL2— magnetophon
The delay that you play.
dm-Seq— Dave Mollen
MIDI sequencer plugin
DrumGroovePro— InToEtherion
A free, open-source MIDI drum groove sequencer VST3 plugin. Create, organize, and play custom drum patterns with an intuitive interface. For Windows, MacOS & Linux.
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
GlitchNexus— OTODESK
Granular glitch multi-effect plugin with a cross-modulation engine and a 16-step sequencer for controlled destruction
gRainbow— Strange Loops Audio
Granular synthesizer that uses pitch detection to choose harmonically matched grain candidates from a sample, producing MIDI-playable, polyphonic textures without the inharmonic artifacts of typical granular synths.
GremlinDriver— danja
Transport-aware MIDI modulation and action sequencer designed to control Gremlin.
Guitar Strum Sequencer— Allen SC Wu
A 16-step MIDI FX plugin that turns held chords into realistic, string-by-string guitar strumming patterns using a chord voicing engine.
GuitarMidi— Gerald Mwangi
Analyses a guitar's audio signal with a bank of bandpass filters and a neural net to extract played notes and outputs them as MIDI, with velocity/expressivity tracking.
Harmonic Atlas— danja
Autonomous voice-led harmony generator with tonal, modal, chromatic-mediant, and neo-Riemannian-inspired movement.
Harmonize— Sreya Saju
A Python app that converts vocal recordings into MIDI files. Transform your singing into digital music!
Live Midi Splitter— David Vos
Control multiple MIDI instruments with one input. Aimed at playing live.
LooperPedal— Rafael Bormann Chuede
Guitar looper pedal plugin with MIDI control — record, overdub, play, and pause loops up to 120 seconds with seamless crossfade
Meeblip Controller— Romain Clement
MIDI controller plugin for the Meeblip Anode open-source hardware synthesizer.
MetreFiddler— Leon Focker
VST Plugin creative MIDI processing based on metre.
MIDI BPM Detection— Vincent Alsteen
Estimates tempo (BPM) from incoming MIDI note-on events in realtime while you play, showing a histogram of competing tempo candidates. Includes a Bitwig controller extension to feed detected tempo back to the DAW transpo
MIDI Chord Detector— kelvin
Lightweight MIDI plugin for real-time chord detection in DAWs, with a full piano keyboard view, grand staff notation panel, and active notes monitor
Midi Lattice— Yan Han
A VST3/CLAP plugin that visualizes the pitch classes of incoming MIDI notes on a 2D lattice organized by perfect fifths and major thirds, with configurable tuning for exploring 5-limit and 7-limit just intonation.
Midi Strummer— MrMatch246
MidiStrummer turns incoming MIDI chords into strummed note sequences, with adjustable strum direction, free or tempo-synced timing (including triplets), and note order — inspired by the strum feature on Arturia's KeyStep
MIDI Time Machine— maksut
Captures and replays MIDI performances so you can quickly review what you just played, with a piano roll and velocity display and drag-and-drop import into your DAW
MidiChords— Mark Wilkins
DAW plugin for scrolling display of chords in a MIDI track
MIDIWrap— Florian Mrugalla
Wraps incoming MIDI notes back into a selected pitch range using an upper and lower limit, especially useful following a MIDI mirror/inversion effect.
Modular::Patterns— Rochen Sound Collective
A MIDI arpeggiator that separates a chord channel from a rhythmic pattern channel, so a chord progression's timing and voicing can be edited independently in the DAW's own MIDI clip editor. Bitwig-only for now.
Neural Resonator VST— Rodrigo Diaz
An audio plugin to generate and use filters based on arbitrary 2D shapes and materials
nymph miditranspose— Christopher Arndt
A simple MIDI transposition LV2 plugin.
Ostinato— Jacob Weber
A MIDI arpeggiator plugin.
Polarity Chord Filter— POTR Software
Filters notes out of an incoming chord based on their position from the bottom (e.g. always return the 2nd-lowest note) — useful for splitting chord progressions into separate melody/bass lines to send to other instrumen
Scale Remapper— xivilay
Remaps MIDI input (e.g. the white keys of a keyboard) onto a chosen musical scale before sending it out as MIDI, so any controller can play in-scale.
ShowMIDI— Geert Bevin
Multi-platform GUI application (and VST3/AU/CLAP/LV2/VST2 plugin) to effortlessly visualize MIDI activity, including MPE and MIDI 2.0.
Sick Beat Betty— Jason Howard
A MIDI drum machine and pattern generator, available as a VST plugin and standalone application.
SuperVirtualKeyboard— Vincenzo Sicurella
MIDI plugin made with JUCE for interacting with microtonal piano layouts, with support for MOS scales and custom tuning modes.
TeAr— Olivier Doaré
TeAr, the Text Arpeggiator
TonnetzViz— Dušan Zatkovský
VST3 audio plug-in that visualizes the Tonnetz grid, shows active notes, highlights chords, and keeps a history of recognized chords.
UB_Poly16— PPsRetroVault
16-voice virtual-analog polysynth inspired by the Juno-106, with dual DCOs, hard sync/ring mod, and a step-sequenced arpeggiator
VMPC2000XL— Izmar Verhage
A JUCE implementation of the Akai MPC2000XL, an iconic sampler/sequencer drum machine.
XenSequencer— Anthony
Step Sequencer VST Plugin
