SNFK Music
CVoice1
CVoice1 by SNFK Music is a simple pitch modulation plugin that creates vibrato and unison detune effects with stereo enhancement.
VST2Modulation
Instruments, effects, and hidden gems
Free plugins: Modulation
Browse 26 reviewed free modulation plugins for Windows, with compatibility, formats, interface previews, and installation details.
279reviewed plugins
76%install-ready
Top 5category ranks
32sound categories
All categoriesSynths · 105Drums · 52Samplers · 44Modulation · 26Guitar & bass · 22Filters · 21Delay · 20Piano & keys · 19Brass & wind · 15Reverb · 12Folk & ethnic · 11Organs · 10Dynamics · 9Gates & de-essers · 9Eq · 7Strings · 7
Filtered catalog
26 plugins
Every reviewed plugin matching the current filters.
Saschart
easyGater
easyGater is a sequenced gater VST2 plugin by Saschart that modulates audio volume with 32 programmable steps, including triplet and dotted synchronization.
VST2Gates & de-essers
B Serrano
Horus
Horus by B Serrano is a 64-voice polyphonic synth blending string machine and poly synth qualities. It creates rich pads with 4 oscillators, chorus, auto-wah, filters, phaser, stereo delay, and full MIDI learn support.
VST2Synths
easytoolz
easy-mr. stringer
easy-mr. stringer by easytoolz is a free string synthesizer for Windows featuring two oscillators with 17 string-waveforms each, dual filters, modulation options, and mono/poly modes.
VST2Synths
DSK
B3x
B3x by DSK is a free VST2 organ plugin for Windows featuring two layers, 12 waveforms, octave selection, micro-detuning, and built-in delay and flanger effects with assignable automation.
VST2Organs
2Rule
2RuleSynth
2RuleSynth is a hybrid synthesizer offering simultaneous classic subtractive, FM, and ring modulation synthesis with two independent oscillators, each featuring LFOs and ADSR envelopes. It delivers a unique soundscape ranging from classic analog tones to experimental concrete music textures.
VST3Synths
DSK
Elektrik Keys
Elektrik Keys by DSK is a free Windows VST2 plugin featuring 2 layers, 13 waveforms, octave selection, micro-detuning, and built-in delay and flanger effects with assignable automation.
VST2Synths
Odosynths
A-Saw
A-Saw by Odosynths is a free phase modulation synthesizer plugin for Windows in VST2 format.
VST2Synths
DSK
BlueZ
BlueZ by DSK is a free 2 oscillator synthesizer with 134 waveforms, sub oscillators, advanced filters, LFO routing, and delay and chorus/flanger effects. Supports MIDI automation and preset management.
VST2Synths
B Serrano
Adonis
Adonis by B Serrano is a free virtual analog, AM, and FM synthesizer for Windows featuring 4 waveforms per voice, 57 voice structures, multiple modulation envelopes, LFOs with host sync, dual filters, and built-in effects with an 8-step sequencer.
VST2Synths
Odosynths
A-sine
A-sine by Odosynths is a simple Windows-only synth featuring four sine wave oscillators with phase modulation. It offers ADSR-controlled filter and volume, along with auto panning and oscillator mix controls, suitable for organs and FM sounds.
VST2Synths
Psychic Modulation
Arptron
Arptron by Psychic Modulation is a free hybrid phase distortion arp-synth featuring two crossfading oscillators, dual arpeggiators, and dedicated filter and amp envelopes.
VST2Synths
TubeOhm
Anti-Transpirant + Stepper 16 AT
Anti-Transpirant + Stepper 16 AT by TubeOhm is an analogue-sounding VSTi with 8x oversampling for clear high-frequency modulations, including PWM, filter FM, and ring modulation. The stepper plays monophonic sequences.
VST2Synths
HERCs Music Systems
Abakos
Abakos by HERCs Music Systems is a high quality virtual analogue synth featuring 2 VCOs with 3 waveforms, a versatile LFO, dual ADSRs, and onboard effects including delay, tremolo, vibrato, and wah wah. It also includes noise generation, ring modulation, digital and analogue filter modes, and an internal preset management system with 4 banks of presets.
VST2Synths
Odosynths
A-Smalli
A-Smalli by Odosynths is a free 2 oscillator analog synthesizer for Windows. It features phase modulation with pitch and volume control, a versatile ADSR filter with multiple modes, glide, mono mode, and 32 presets.
VST2Synths
Samsara Cycle Audio
5-SC
5-SC by Samsara Cycle Audio is a free single oscillator analog synthesizer plugin for Windows featuring octave selection, LFO modulation, portamento, and a shared ADSR envelope.
VST2Synths
Psychic Modulation
Cerebrum
Cerebrum by Psychic Modulation is a hybrid groovebox-style drum machine featuring 5 drum synth modules, over 150 built-in drum sounds, an onboard bassline synth, and dual A/B sequencers per drum section for flexible beat-matching.
VST2Drums
easytoolz
easy-drum o4 SE 909
easy-drum o4 SE 909 is a free 4-slot drumbox plugin emulating the TR-909, featuring 909 and 808 samples, effects like overdrive, flanger, bitcrusher, and a Moog filter with three LFOs modulating tune, cutoff, and pan across 32 patches.
VST2Drums
Full Bucket Music
Ny
Ny is a free software recreation of the vintage KORG Lambda ES-50 polyphonic ensemble from 1979, offering authentic sound with 64-voice polyphony and chorus effect.
VST2Synths
Samsara Cycle Audio
ZEN SX1000
ZEN SX1000 is a Win32 single oscillator analog style synthesizer featuring vibrato LFO, noise, VCF, and VCA sections.
VST2Synths
Psychic Modulation
Metatron
Metatron by Psychic Modulation is a 2-oscillator analogue synthesizer VST2 plugin for Windows 32-bit. It features an arpeggiator and a gated modulation sequencer to create unique rhythmic patterns and phasing effects.
VST2Synths
Electronik Sound Lab
Darksichord
Darksichord is a multi-sampled harpsichord with layered sound processing and effects, offering a darker tone with LPF filter and LFO modulation.
VST2Piano & keys
Ocean Swift Synthesis
Defiant WT
Defiant WT by Ocean Swift Synthesis is a free wavetable synthesizer offering additive and subtractive synthesis with unique modulation options. It delivers a creative and intuitive sound design experience on Windows.
VST2Synths
Smartelectronix
Foorius
Foorius by Smartelectronix is a free VST2 synthesizer plug-in for Windows combining FM, AM, VA, wave-sequencing, and noise oscillators with analog-modeled filters and built-in effects.
VST2Synths
HERCs Music Systems
Abakos PRO
Abakos PRO is a free 2-oscillator analog synthesizer for Windows featuring multiple waveforms, an arpeggiator, and onboard effects including delay, tremolo, vibrato, and wah wah.
VST2Synths
Glen Stegner
Arppe2600va
Arppe2600va is a VST2 softsynth for Windows inspired by the classic ARP 2600 semi-modular monosynth, delivering authentic analog-style monosynth sounds with extensive frequency modulation capabilities.
VST2Synths
The free-plugin pulseUpdated Aug 17, 2026
211 plugins are ready to install in one click.