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 7, 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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Astralis Baby Bion plugin interface
Homegrown Sounds

Astralis Baby Bion

Astralis Baby Bion is a lightweight synthesizer plugin for Windows using the oscillator from the upcoming Astralis Bion. Designed to complement the free SoundScaper FX plugin by Homegrown Sounds, it provides a versatile synth sound source.

VST2Synths
ZitH plugin interface
DSK

ZitH

ZitH by DSK is a free 3-layer waveform synthesizer offering 53 waveforms, octave selection, ADSR envelopes, advanced LFOs with multiple outputs, a versatile filter, and effects including space, delay, and flanger. It features an arpeggiator and assignable automation.

VST2Synths
WhispAir plugin interface
Full Bucket Music

WhispAir

WhispAir is a high-performance wavetable synthesizer offering three flexible oscillators, a classic stereo filter, multiple modulation sources, and an easy-to-navigate single-page interface.

VST2Synths
Tunefish 4 plugin interface
Brain Control

Tunefish 4

Tunefish 4 is a free additive and wavetable synthesizer plugin developed by Brain Control as a compact yet powerful alternative to Tunefish 3, designed for the 64k intro Turtles all the way down.

VST2Synths
Tenacity plugin interface
Opulent Audio

Tenacity

Tenacity by Opulent Audio is a monophonic synthesizer featuring two sample-based oscillators with 35 waveforms each. It offers tempo-synced rhythmic gates, waveshaping, adjustable bitrate, and oscillator hard-sync for unique sound design.

VST2Synths
SQ8L plugin interface
Siegfried Kullmann

SQ8L

SQ8L is a free software emulation of the classic Ensoniq SQ80 synthesizer, featuring 3 digital wavetable oscillators per voice and analog-style 4-pole lowpass filters.

VST2Synths
Snorgan plugin interface
Contralogic Productions

Snorgan

Snorgan is a free wavetable synthesizer by Contralogic Productions featuring waveform layering, dual 2-pole filters, and delay/flanger effects with modulation.

VST2Synths
ROUGE plugin interface
velvetskyemusic

ROUGE

ROUGE by velvetskyemusic is a 3 oscillator wavetable additive synthesizer featuring 39 selectable waveforms per oscillator, individual LFOs, and built-in reverb, delay, and chorus effects.

VST2Synths
Overdose plugin interface
Noizefield

Overdose

Overdose by Noizefield is a versatile wavetable synthesizer featuring two oscillators with 168 waveforms each, ring modulation, FM, two multimode filters, a vowel filter, four ADSR envelopes, fadeable LFOs, and stereo chorus. It suits genres like EDM, Trance, Trap, Dubstep, and Hip-Hop.

VST2Synths
OranZe plugin interface
DSK

OranZe

OranZe by DSK is a free wavetable synthesizer plugin featuring 2 oscillators with 135 waveforms, multi-mode filters, multiple LFOs with routing matrix, and built-in step sequencers.

VST2Synths
OC-10 plugin interface
MARVIN PAVILION

OC-10

OC-10 is a polyphonic waveform memory synthesizer featuring 4 voices, 2 envelopes (ADS and Hold), and auto pitch bend. Compatible with Windows 32-bit systems.

VST2Synths
NoteGraphica plugin interface
g200kg

NoteGraphica

NoteGraphica by g200kg is a free VST2 synthesizer plugin for Windows that lets users draw custom waveforms for oscillators, LFOs, and envelope generators.

VST2Synths
Noisy plugin interface
Odosynths

Noisy

Noisy by Odosynths is a synthesizer with three oscillators offering 64 waveforms, real FM synthesis, dual filters with enveloped and LFO modulation, plus effects like chorus, flanger, EQ, drive, and stereo delay.

VST2Synths
K1v plugin interface
Nils Schneider

K1v

K1v is a highly accurate emulation of the 1988 Kawai K1 classic rompler featuring full parameter editing and 768 presets including original factory sounds.

VST2Synths
Harmonaut plugin interface
ToneBytes

Harmonaut

Harmonaut is an additive synthesizer plugin featuring 4 waveform types and 32 harmonics that can be drawn with the mouse. Each harmonic's ADSR envelope can be customized, with additional timbre shaping via LP/HP filter, LFO, and chorus effects.

VST2Synths
Uno FM plugin interface
Xsynth

Uno FM

Uno FM by Xsynth is an 8-note polyphonic FM synthesizer with a vintage analog-style layout and 128 presets. It features 5 oscillators including sine waves, offering a unique sound distinct from classic FM synths.

VST2Synths
Six plugin interface
Odosynths

Six

Six is a free 6-operator FM synthesizer for Windows featuring 32 DX7 algorithms, multiple waveforms, and detailed operator controls including fine tuning, octave, and pulse width.

VST2Synths
Purple plugin interface
Odosynths

Purple

Purple by Odosynths is a free 4-operator FM synthesizer featuring 8 routings, versatile filters, and modulation options for Windows.

VST2Synths
The free-plugin pulseUpdated Oct 7, 2026

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