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
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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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Solcito Musica
Crio
Crio by Solcito Musica is a virtual analog/FM synthesizer designed for creating arpeggios, bass, leads, and FX sounds with minimal controls and powerful sound shaping for studio and live use.
VST2Synths
Odosynths
BSTATION 2
BSTATION 2 by Odosynths is a free, powerful bass synthesizer featuring three oscillators with fine tuning, multiple waveforms, a mod oscillator for pulse width and phase modulation, and four versatile filter types.
VST2Synths
Samsara Cycle Audio
ZEN SX1000
ZEN SX1000 by Samsara Cycle Audio is a single oscillator analog style synthesizer featuring vibrato LFO, noise section, VCF, and VCA to create classic synth sounds.
VST2Synths
Kriminal
Voltaire
Voltaire by Kriminal is a straightforward monophonic synthesizer with a single saw/square wave oscillator, ideal for crafting classic acid basslines.
VST2Synths
Togu Audio Line
Vintager 2
Vintager 2 is a monophonic synthesizer delivering classic analog synth sounds with three band-limited oscillators, accurate envelopes, and a quality lowpass filter.
VST2Synths
Severák
Traveller
Traveller is a monophonic synthesizer inspired by the Korg Synthe-Bass, featuring a single oscillator with six waveforms and a unique filter cutoff slider.
VST2Synths
Togu Audio Line
TAL-BassLine
TAL-BassLine is a free virtual analog bass synthesizer designed for bass, acid sounds, and effects. It features a robust core and analogue-style controls, including a unique -18dB low pass filter with asymmetric and random components.
VST2Synths
Samsara Cycle Audio
T-BASS
T-BASS by Samsara Cycle Audio is a free bass synthesizer inspired by the Roland TB-303 featuring saw, pulse, and double pulse waveforms with glide, ADSR envelope, and distortion.
VST2Synths
Kriminal
SynthX
SynthX by Kriminal is a monophonic bass synthesizer featuring one oscillator with sine, saw, and pulse waveforms, an asymmetric distortion controlled via an XY pad, and three distinct low-pass filter types. It includes ADSR envelopes for amp and filter, retrigger, and glide.
VST2Synths
MARVIN PAVILION
Synthestra
Synthestra is a vintage-style monophonic synthesizer featuring two oscillators, a noise generator, and an LFO with multiple waveforms. It includes a low-pass filter with cutoff and resonance controls for classic analog sounds.
VST2Synths
Tweakbench
ritual
ritual by Tweakbench is an analog-style bass synthesizer for Windows featuring a unique blend of pulse, crushed triangle, super-saw, and crushed sine oscillators for a thick and rich sound.
VST2Synths
SyncerSoft
Rhythm
Rhythm by SyncerSoft is a free one-voice synthesizer plugin emulating the Soviet-era EMI Ritm 2 keyboard synthesizer, designed for solo and ensemble usage.
VST2Synths
Togu Audio Line
Real Synth
Real Synth by Togu Audio Line is a retro monophonic virtual analog synthesizer with low CPU usage, featuring two bandlimited oscillators, noise FM, and multiple modulation options.
VST2Synths
GTG
NK 1001
NK 1001 by GTG is a free old school monophonic synthesizer for Windows featuring dual oscillators with sample and hold, pulse width modulation, and a switchable AMP mode between ADSR and GATE.
VST2Synths
easytoolz
Mormox Imitate
Mormox Imitate is a freeware synth plugin emulating the Murmux Initate hardware from Greece. It features 2 oscillators with saw and pulse waves, FM modulation, a sub-oscillator, and a combined lowpass-bandpass filter.
VST2Synths
nB Audio
Monolisa
Monolisa is a free monophonic virtual analog synthesizer for Windows featuring dual oscillators, noise sources, and a 24dB low/high-pass filter with envelope control.
VST2Synths
Dream Vortex Studio
Megabass
Megabass from Dream Vortex Studio is a straightforward bassline synthesizer featuring a single oscillator, glide, one-knob A.D.S.R. envelope control, LP filter, chorus, and overdrive for quick and versatile bass sound creation.
VST2Synths
HY-Plugins
HY-Mono
HY-Mono is a monophonic synthesizer inspired by the Oberheim SEM featuring 2 oscillators, a sub/noise oscillator, state variable filter, envelopes, LFO, delay, and drive effects.
VST2Synths
The free-plugin pulseUpdated Oct 7, 2026
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