Instruments, effects, and hidden gems

Free VST plugins

Discover free Windows audio plugins by sound, instrument, effect, format, popularity, and the creative tools producers use together.

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Oct 17, 2026
VeloScaler plugin interface
CodeFN42

VeloScaler

VeloScaler by CodeFN42 is a free MIDI effect plugin for Windows that lets you adjust and scale MIDI note velocities with up to 5 customizable bands.

VST2MIDI effects
NoteMapper plugin interface
CodeFN42

NoteMapper

NoteMapper by CodeFN42 is a free MIDI utility plugin that maps incoming MIDI notes to up to three different notes across multiple channels, enabling complex triggering setups like multi-sampler drum patterns.

VST2MIDI tools
MidiKeySwitcher plugin interface
4drX

MidiKeySwitcher

MidiKeySwitcher lets you assign 2-key switches to select MIDI channels and send program and bank change messages directly from your MIDI keyboard, eliminating the need for a mouse when browsing plugin presets.

VST2Uncategorized
MIDI-Transformer plugin interface
Austen

MIDI-Transformer

MIDI-Transformer by Austen lets you transform and reroute incoming MIDI signals within your VST chain on Windows 64-bit systems.

VST2MIDI tools
MIDI Monitor plugin interface
Robin Schmidt

MIDI Monitor

MIDI Monitor by Robin Schmidt displays incoming MIDI messages in real time. It is available as both instrument and effect plugin versions to ensure host compatibility.

VST2MIDI tools
Wind Chimes plugin interface
ToneCarver

Wind Chimes

Wind Chimes by ToneCarver generates MIDI notes simulating wind chime strikes influenced by wind conditions, optionally sending control change messages for system energy.

VST2MIDI generators

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VeloScaler plugin interface
VeloScalerCodeFN42 · VST2
One click
NoteMapper plugin interface
NoteMapperCodeFN42 · VST2
One click
MidiKeySwitcher plugin interface
MidiKeySwitcher4drX · VST2
One click
MIDI-Transformer plugin interface
MIDI-TransformerAusten · VST2
One click
MIDI Monitor plugin interface
MIDI MonitorRobin Schmidt · VST2
One click
Wind Chimes plugin interface
Wind ChimesToneCarver · VST2
One click

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P/Nes plugin interface
JMT Musical Tools

P/Nes

P/Nes by JMT Musical Tools is a free 8-bit synthesizer inspired by the NES 2A03 sound chip, delivering retro gaming and arcade-style sounds with expanded sonic capabilities.

VST2Synths
Obzylon plugin interface
Shuttleplug

Obzylon

Obzylon by Shuttleplug is an unusual organ and toy piano synthesizer plugin for Windows.

VST2Synths
Nostaljia plugin interface
Gregjazz

Nostaljia

Nostaljia by Gregjazz is a free retro synth plugin that emulates the classic 90's onboard soundcard synthesizers, delivering authentic Adlib-style tones.

VST2Synths
M8Rx plugin interface
Krakli

M8Rx

M8Rx by Krakli is a chip-tune matrix synthesizer featuring 16 independent oscillators with 11 tunable waveforms each for creating chip-tune sounds and morphing textures.

VST2Synths
LowBitMonoSyn plugin interface
D10Labo

LowBitMonoSyn

LowBitMonoSyn by D10Labo is a monophonic synthesizer featuring low bit oscillators with a variety of 8bit and 4bit waveforms. It offers pitch control, envelope and LFO modulation, portamento, and a resizable GUI.

VST2Synths
K400 plugin interface
Krakli

K400

K400 by Krakli is a free phase distortion synthesizer inspired by the Casio CZ series, delivering unique digital sound textures in a compact VST2 plugin for Windows.

VST2Synths
JuceOPLVSTi plugin interface
Bruce Sutherland

JuceOPLVSTi

JuceOPLVSTi is a free FM synthesizer plugin that emulates the Yamaha OPL sound chip, available for Windows and macOS.

VST2Synths
IceCream plugin interface
Cosmic Boy

IceCream

IceCream by Cosmic Boy is a free 8-bit chiptune style mono/poly synthesizer with dual oscillators, a step sequencer, and bitcrusher effects.

VST2Synths
Grain Strain plugin interface
Full Bucket Music

Grain Strain

Grain Strain by Full Bucket Music is a high-performance envelope grain looping synthesizer effect featuring flexible grain and loop iteration envelopes with sync-to-host options.

VST2Synths
GENNY plugin interface
Superjoebob

GENNY

GENNY is a free VST2 plugin that emulates Sega Genesis YM2612 and SN76489 chips, letting you create authentic Sega Genesis style FM music within your DAW.

VST2Synths
easy-casiopeia plugin interface
easytoolz

easy-casiopeia

Easy-casiopeia is a vintage simulation of the Casiotone VL-1 featuring two VST2 plugins: a synthesizer and a drum plugin, each with its own sequencer and additional features beyond the original hardware.

VST2Synths
DvnSfxMaker plugin interface
Davi Santos

DvnSfxMaker

DvnSfxMaker is a synthesizer designed for creating video game sound effects with multiple oscillators, noise sources, and versatile filters.

VST2Synths
Dream 64 plugin interface
Odosynths

Dream 64

Dream 64 is a free VST2 synthesizer plugin for Windows inspired by the Commodore C64 SID chip, featuring five 8-step sequencers with individual BPM control.

VST2Synths
Casio VL1 plugin interface
Polyvalens

Casio VL1

Casio VL1 by Polyvalens is a free VST2 synthesizer plugin for Windows that faithfully emulates the original Casio VL1 hardware synthesizer.

VST2Synths
Broken Toy plugin interface
Necromare

Broken Toy

Broken Toy is a unique synthesizer plugin crafted by bending the circuits of a plush toy's voice box, delivering distinctive sound textures for Windows 32-bit systems.

VST2Synths
bLO-FIsh plugin interface
Opulent Audio

bLO-FIsh

bLO-FIsh by Opulent Audio is a versatile 3-oscillator lo-fi synthesizer combining classic 8-bit chip sounds with traditional synth elements for rich sonic possibilities.

VST2Synths
Xakt plugin interface
Krakli

Xakt

Xakt by Krakli is a spectral synthesizer for Windows that excels in creating dark, evolving textures with its unique interface and dynamic sound movement.

VST2Synths
Vurtbox plugin interface
Krakli

Vurtbox

Vurtbox is a unique synthesizer plugin with a bizarre GUI and surprising sounds. It features presets by Vurt and Tim Conrardy, but users should be cautious of its high CPU usage and potentially loud output.

VST2Synths
The free-plugin pulseUpdated Oct 17, 2026

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