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 18, 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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MC44 plugin interface
Samsara Cycle Audio

MC44

MC44 is a Windows-only analog synthesizer VST2 plugin by Samsara Cycle Audio featuring four oscillators, a multi LFO matrix, and flexible filter options.

VST2Synths
Mantra plugin interface
Samsara Cycle Audio

Mantra

Mantra by Samsara Cycle Audio is a free analog synthesizer plugin featuring two oscillators. Designed for Windows 32-bit systems, it delivers classic analog synth sounds in VST2 format.

VST2Synths
Luxon plugin interface
SynthIV

Luxon

Luxon by SynthIV is a free analog synthesizer plugin featuring two oscillators, an amplifier and filter envelope, and multiple stereo pitch modulation types. It offers tempo-synced modulation with vibrato, chorus, and phase modulation effects, plus a mod wheel-controlled filter LFO.

VST2Synths
Lusus plugin interface
Ourafilmes

Lusus

Lusus is a virtual analogue synthesizer offering 16 voices with 4 oscillators per voice, a versatile multimode filter, envelopes, and an LFO for rich sound design.

VST2Synths
LOG plugin interface
GTG

LOG

LOG by GTG is a free analog synthesizer plugin featuring two oscillators with pitch modulation, a pulse modulation control, sub oscillator, vibrato controls, glide, and 8-voice polyphony.

VST2Synths
Kwop 7 plugin interface
GTG

Kwop 7

Kwop 7 by GTG is an analog-style synthesizer that delivers warm and fat sounds, reminiscent of vintage hardware synths. Available as a free VST2 plugin for Windows 32-bit systems.

VST2Synths
Kronos plugin interface
B Serrano

Kronos

Kronos is a free synthesizer plugin for Windows featuring 2 oscillators with sync, FM, a resonant filter, ring modulation, 2 LFOs, 1 envelope, and a modulation matrix for versatile sound design.

VST2Synths
Kombat plugin interface
Kriminal

Kombat

Kombat by Kriminal is a synth designed for big, fat bass and lead sounds featuring one normal oscillator, a unison oscillator, chorus and flanger effects, and a modulation section.

VST2Synths
Kern plugin interface
Full Bucket Music

Kern

Kern is a polyphonic synthesizer by Full Bucket Music optimized for low CPU usage and complete control via modern MIDI keyboard controllers.

VST2Synths
Karnage plugin interface
Krakli

Karnage

Karnage by Krakli is an analog-style synthesizer featuring Oscillator-Sync, enhanced detune on oscillators, and a unique D-Gate with MultiTap for creative sound shaping.

VST2Synths
KaoS plugin interface
DSK

KaoS

KaoS by DSK is a free VST2 synthesizer for Windows featuring 3 oscillators, ADSR envelope, free draw mode, octave select, micro-detuner, and an effects section with space, delay, and flanger. It includes 3 auxiliary oscillators with waveform control and a 3x0 LFO/oscillator matrix.

VST2Synths
K1Ks plugin interface
Krakli

K1Ks

K1Ks by Krakli is a free VST2 synthesizer plugin designed for Windows 32-bit systems, delivering an analog-inspired sound reminiscent of Stranger Things.

VST2Synths
K1 plugin interface
GTG

K1

K1 by GTG is an 8-voice polyphonic synthesizer offering a warm and phat sound with 2 oscillators, dual LFOs including tempo sync, stereo chorus, and delay effects.

VST2Synths
JP 7A plugin interface
GTG

JP 7A

JP 7A by GTG is a 6-voice analog synthesizer plugin featuring a 24 dB filter, pitch envelope, oscillator sync, mono mode, MIDI automation, and a pitch bender with three fixed ranges.

VST2Synths
Hercules V3 plugin interface
Fruitymasterz

Hercules V3

Hercules V3 by Fruitymasterz is a free Supersaw synthesizer plugin featuring two oscillators, dual LFOs, ADSR envelope, filter and pitch envelopes, plus delay and chorus effects.

VST2Synths
Full Synthestra plugin interface
MARVIN PAVILION

Full Synthestra

Full Synthestra is a 6-voice polyphonic vintage analog synthesizer featuring 2 oscillators with sawtooth and pulse waves, analog filters, envelopes, LFO, key follow, and a digital chorus effect.

VST2Synths
FKnock plugin interface
MVX Synths

FKnock

FKnock is a free filter synthesizer plugin designed by MVX Synths that builds on concepts from ANX1, released in 2005.

VST2Synths
EVOL plugin interface
Xsynth

EVOL

EVOL is a free subtractive synthesizer inspired by the Roland JX3P, featuring a warm filter, three VCOs with FM, ring modulation, and waveshaping, an extensive modulation matrix, and unique ROPP oscillator phase positioning.

VST2Synths
The free-plugin pulseUpdated Oct 18, 2026

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