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
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.
2140reviewed plugins
79%install-ready
Top 5category ranks
40sound categories
All categoriesDrum kits · 29Drum synths · 14Drum machines · 9Single drums · 27Groove / sequencers · 10Percussion · 30Drums · 30Guitar & bass · 28Piano & keys · 79Brass & wind · 44Folk & ethnic · 53Orchestral · 24Samplers · 52Loop & scratch · 12Synths · 587Organs · 30
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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
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
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
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
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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VeloScalerCodeFN42 · VST2
One clickNoteMapperCodeFN42 · VST2
One clickMidiKeySwitcher4drX · VST2
One clickMIDI-TransformerAusten · VST2
One clickMIDI MonitorRobin Schmidt · VST2
One clickWind ChimesToneCarver · VST2
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2140 plugins
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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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
MVX Synths
FKnock
FKnock is a free filter synthesizer plugin designed by MVX Synths that builds on concepts from ANX1, released in 2005.
VST2Synths
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 8, 2026
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