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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Whistler plugin interface
Contralogic Productions

Whistler

Whistler is a free synthesizer plugin for Windows that creates unique sounds by routing random noise through resonating bandpass filters controlled by your played notes. It includes overdrive distortion, tempo-synced echo, and an 8-bit retro noise mode.

VST2Synths
Wave Manuel plugin interface
Pauli Polkki

Wave Manuel

Wave Manuel by Pauli Polkki is a free waveshaping synthesizer featuring a unique morphing oscillator with symmetry, saturation, and shaping controls. It delivers classic analog-style waveforms in stereo.

VST2Synths
Vectomorph plugin interface
Quilcom

Vectomorph

Vectomorph by Quilcom is a free synthesizer plugin featuring unique vector oscillators formed by four line segments with adjustable levels and end times.

VST2Synths
Vaccin plugin interface
TRJ-plugs

Vaccin

Vaccin is a free hybrid synthesizer for Windows featuring three oscillators with diverse waveforms, pulse width modulation, FM synthesis, 303-style lowpass filter, LFO, and modulation matrix.

VST2Synths
Urban Nexus plugin interface
SyncerSoft

Urban Nexus

Urban Nexus by SyncerSoft is a free spectral synthesizer plugin featuring 32 harmonics with mouse-drawn harmonic spectra and envelopes. Includes warping, phat module, LP/HP filters, and LFO.

VST2Synths
Unit 1 Synth plugin interface
GTG

Unit 1 Synth

Unit 1 Synth by GTG is a free unison oscillator synthesizer for creating fat basses and leads with up to 8 stacked oscillators, detune control, an LFO with key tracking, and a mod wheel controlled ring modulator.

VST2Synths
Tyro plugin interface
KBplugs

Tyro

Tyro by KBplugs is a free VST2 synthesizer plugin for Windows inspired by the u-he Diva. It emulates circuit-inspired synth textures without aiming for exact Diva sound accuracy and includes no presets.

VST2Synths
ttm010 plugin interface
TTM Works

ttm010

ttm010 is a Windows-based VST2 synthesizer plugin featuring a unique waveform synthesis engine and modulation mechanism for simple yet versatile sound creation.

VST2Synths
ttm002 plugin interface
TTM Works

ttm002

ttm002 by TTM Works is a free digital synthesizer plugin for Windows featuring a unique waveform synthesis engine that blends four basic waveforms.

VST2Synths
Trout plugin interface
Quilcom

Trout

Trout is a free VST2 synthesizer plugin tribute to the Trautonium, featuring presets, a user guide, and historical background on this early German synthesizer.

VST2Synths
TriGoom plugin interface
KBplugs

TriGoom

TriGoom is a free DIY synthesizer emulation inspired by the Goom hardware synth. It offers raw analog-style synthesis without presets, delivering a hands-on experience for sound design.

VST2Synths
THriCe Free plugin interface
Tekky Synths

THriCe Free

THriCe Free by Tekky Synths is a 3-oscillator hybrid synthesizer featuring multiple waveform options including dedicated FM and unison oscillators, designed for Windows 32-bit systems.

VST2Synths
The Visitor plugin interface
SynthIV

The Visitor

The Visitor by SynthIV is a stereo chorus synthesizer featuring a tempo-synced stereo chorus effect ideal for creating spooky pads and fat, detuned bass sounds. It includes independent synth and filter circuits for left and right channels with static and envelope filters.

VST2Synths
The scrooo plugin interface
Full Bucket Music

The scrooo

The scrooo is a free polyphonic software synthesizer featuring spectral formant synthesis with up to 32 voices and portamento.

VST2Synths
The Green Foreman plugin interface
Creatorum Genius Lab

The Green Foreman

The Green Foreman by Creatorum Genius Lab is a free wave drawing synthesizer featuring Wave Draw and Wave Form oscillators, a 16-step rhythm arpeggiator, and a library of sound images. It offers 128 presets and runs as a VST2 on Windows 32-bit systems.

VST2Synths
Tetra plugin interface
Verklagekasper

Tetra

Tetra by Verklagekasper is a free morphing synthesizer producing stereo band-limited quadrature signals for unique soundscapes.

VST2Synths
Synthopia 2 plugin interface
DSK

Synthopia 2

DSK Synthopia 2 is a multi-layer synthesizer featuring 128 sounds across bass and synth categories. Play up to 3 layers or parts with MIDI channel selectors.

VST2Synths
SyncSawSynth plugin interface
Uhhyou

SyncSawSynth

SyncSawSynth is a free synthesizer featuring two PTR sawtooth oscillators with hard sync capable of up to 10th order polynomial transition regions for aliasing suppression.

VST2Synths
The free-plugin pulseUpdated Oct 17, 2026

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