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
Instruments, effects, and hidden gems
Free plugins: Synths
Browse 105 reviewed free synths 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
105 plugins
Every reviewed plugin matching the current filters.
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
Afroplug
Afrokeyz Lite
Afrokeyz Lite is a free keyboard synthesizer rompler for Windows and Mac featuring 6 presets inspired by African diaspora beats like Dancehall and Afrobeats. It includes reverb, ADSR, LFO, glide, pitch, filter, and pan controls.
VST2Synths
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
TA Programming
Dominator
Dominator by TA Programming is a multi-cycle wave analysing synthesizer for creating powerful bass-lines and clear plucks using innovative wavetable synthesis.
VST2Synths
Benedict Roff-Marsh
Anadyomene
Anadyomene is a user-friendly FM synthesizer that combines the simplicity of subtractive synthesis with the unique character of FM (DX-7) synthesis.
VST2Synths
Benedict Roff-Marsh
DA-01
DA-01 is a mono and duophonic analog synthesizer with a unique filter and simple architecture inspired by early analog synths like the Jupiter 4.
VST2Synths
MVX Synths
AddIt
AddIt by MVX Synths is an 8-oscillator additive synthesizer featuring four standard waveforms and a dual SVF multimode filter with advanced modulation options for amplitude, pitch, and stereo balance.
VST2Synths
BeatMaker
808 Bass Module 2 Lite
808 Bass Module 2 Lite by BeatMaker is a free 808 bass ROMpler with 10 layered presets designed to add grit and rumble to electronic music productions.
VST2Synths
Fruitymasterz
Hercules V3
Hercules V3 by Fruitymasterz is a freeware Supersaw synthesizer featuring 2 oscillators, 2 LFOs, ADSR and filter envelopes, pitch envelope, delay, and chorus effects.
VST2Synths
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
Simple Media
Clavia Lab
Clavia Lab by Simple Media is a hybrid analog and physical model electric piano plugin offering unique, evolving harmonic textures beyond typical Rhodes or Whurlitzer sounds.
VST2Piano & keys
4Front
4Front E-Piano
4Front E-Piano is a compact hybrid e-piano module combining sample playback and synthesis. It delivers a rich, warm, and silky sound with a unique character.
VST2Piano & keys
Full Bucket Music
Bucket ONE
Bucket ONE is a precise software simulation of the classic 1985 Crumar BIT 01/99 synthesizers, featuring up to 64 voices polyphony, split and double modes, and a visual sound editor.
VST2Synths
KBplugs
b6
b6 by KBplugs is a free Windows VST2 plugin inspired by the Andromeda A6 synthesizer circuits, offering a unique analog emulation experience without aiming for exact hardware accuracy.
VST2Synths
Krakli
Arminator
Arminator by Krakli is a free VST2 plugin emulating the Yamaha CS80 analog synthesizer for Windows 32-bit systems.
VST2Synths
SyncerSoft
Alice-1377
Alice-1377 is a free VST2 synthesizer plugin for Windows inspired by the classic Soviet Alisa-1377 synth.
VST2Synths
KBplugs
80-vox
80-vox by KBplugs is a free Yamaha CS-80 inspired synth emulation for Windows x86 systems. It offers an authentic interface without presets, reflecting the original hardware's design approach.
VST2Synths
GTG
44 S
44 S by GTG is a free six-voice analog synthesizer plugin for Windows delivering a classic, fat sound.
VST2Synths
ToneBytes
Bend Box
Bend Box by ToneBytes is a free software synthesizer for Windows that emulates a circuit-bending device, ideal for experimental sounds and noise effects.
VST2Synths
Gregjazz
Angel Synth
Angel Synth by Gregjazz is a free Windows VST2 synth plugin featuring a unique sound generation method centered on dynamic oscillators.
VST2Synths
Audiobulb
ABVSTI
ABVSTI by Audiobulb is a free virtual studio synthesizer for Windows that delivers unique acoustic elements responsive to MIDI control and automation.
VST2Synths
Odosynths
A-Saw
A-Saw by Odosynths is a free phase modulation synthesizer plugin for Windows in VST2 format.
VST2Synths
Odosynths
A-Key
A-Key by Odosynths is a free Windows VST2 synth plugin featuring two oscillators with distortion.
VST2Synths
ToneBytes
Bleep
Bleep is a free VSTi synthesizer for Windows inspired by the MOS Technology SID sound. It features three oscillators with sawtooth, triangle, pulse with pulse width, and noise waveforms.
VST2Synths
Odosynths
38911 Bytes
38911 Bytes by Odosynths is a Windows-only VST2 plugin inspired by Commodore 64 software. It features a single oscillator synth with four waveforms and three BPM sequencers for creative sound design.
VST2Synths
Odosynths
Apad 4.5
Apad 4.5 by Odosynths is an analog pad synthesizer featuring three oscillators with detune and oscillator volume controls, flexible filter types, and several modulation options. It supports glide, mono mode, and includes over 100 presets.
VST2Synths
Acrobatics
Alieno
Alieno by Acrobatics is a hybrid synthesizer featuring a sci-fi inspired object-oriented interface that combines multiple synthesis methods. It offers advanced modulation and MIDI control for crafting dynamic sounds.
VST2Synths
HERCs Music Systems
Alien Artifact
Alien Artifact is a Free VST2 synth plugin for Windows that encourages raw sonic creativity through its unique alien-inspired controls.
VST2Synths
Psychic Modulation
Aethereal
Aethereal by Psychic Modulation is an ambient vector synthesizer designed for crafting evolving atmospheres and textures using 4 wave oscillators and over 100 built-in sampled sounds.
VST2Synths
easytoolz
easy-V-syn o1
easy-V-syn o1 by easytoolz is a vintage wavetable synthesizer featuring four oscillators, multiple waveforms, and advanced modulation options for rich sound design on Windows.
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
SyncerSoft
Analog Galaxy
Analog Galaxy by SyncerSoft is a vintage-style ROM synthesis synthesizer featuring four analog-style filters plus reverb and delay effects. Ideal for creating synthetic basses, leads, and pads.
VST2Synths
GyL Synths
Addtractive
Addtractive by GyL Synths is a free dual wavetable and unison synthesizer featuring two oscillators with 135 waveforms each. It offers waveform operations including addition, multiplication, subtraction, phase shift, inversion, and level adjustment, along with a detunable unison main oscillator and a switchable sub oscillator.
VST2Synths
KBplugs
Chorg DS-600
Chorg DS-600 by KBplugs is a free VST2 synth plugin for Windows, inspired by the Korg DS-8 circuit but not aiming for exact hardware accuracy. It offers a raw synth experience without presets, similar to the original.
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
Acquit Music
Acquitxx14
Acquitxx14 by Acquit Music is a free frequency modulation synthesizer plugin for Windows 32-bit systems.
VST2Synths
Acquit Music
Acquitxx11
Acquitxx11 by Acquit Music is a free 4-note polyphonic FM synthesizer featuring 4 oscillators, 2 phasers, 2 flangers, and 16 lead and bass sounds. Available as a VST2 plugin for Windows 32-bit.
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
KBplugs
DodecaMax
DodecaMax by KBplugs offers a comprehensive emulation of Buchla 200 modules, featuring maximum 200-style module approximations including dual oscillators and a 2-operator module, all within a compact interface.
VST2Synths
KBplugs
Dark Steps
Dark Steps by KBplugs emulates three Doepfer Dark Energy synth voices combined with a versatile step LFO featuring 3x8 and 2x16 modes. It integrates waveforms and filters from Dark Energy I and II, offering rich analog-style synthesis in a compact VST2 plugin for Win32.
VST2Synths
KBplugs
Dark Four
Dark Four by KBplugs emulates a group of four Doepfer Dark Energy synthesizers, combining features from both DE I and DE II including various waveforms and multimode filters.
VST2Synths
Meesha
Damatriks
Damatriks by Meesha is a classic modular synthesizer system for Windows, featuring various modules and a CV matrix for complex control voltage patching, enabling rich analog-style sound creation.
VST2Synths
Greenoak
Crystal
Crystal by Greenoak is a semi-modular software synthesizer combining subtractive and FM synthesis with over 90 modulate-able parameters and tempo-synced multi-stage envelopes.
VST2Synths
DSK
Analog Matrix
Analog Matrix by DSK is a free Windows VST2 synthesizer featuring 2 oscillators, advanced pulse modulation, dual LFOs, and versatile filters with effects including chorus, reverb, and drive.
VST2Synths
KBplugs
200 Max
200 Max by KBplugs is a free VST2 plugin for Windows that offers an assortment of Buchla 200 module approximations, including dual oscillators and 2-operator FM modulation, designed to fit comfortably on most displays without scrolling.
VST2Synths
KBplugs
200 C
200 C by KBplugs is a free VST2 plugin for Windows featuring a comprehensive set of Buchla 200 modules including dual oscillators, envelope generators, filters, modulators, CV processors, and mixer channels.
VST2Synths
Witech
BassMatrix
BassMatrix by Witech is a free Roland TB-303 bassline synth emulation for Windows. It features a simple interface for pattern programming, MIDI play support, and a key sync arpeggio function.
VST2Synths
L-Day
Basscruncher
Basscruncher by L-Day is a monophonic synth bass line plugin featuring one oscillator with saw and pulse waveforms, a low-pass filter with resonance and drive modes, plus a 16-step filter sequencer inspired by the TB-303 style.
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
acid.milch-und-honig
acidrack
acidrack by acid.milch-und-honig is a free small virtual analog synthesizer offering 6 voices with poly, legato, and mono modes. It features 2 VCOs with unison mode, a multimode filter, multiple envelopes, LFOs, an arpeggiator, and a patch randomizer.
VST2Synths
Audio Damage
Basic
Basic by Audio Damage is a monophonic subtractive synthesizer featuring three alias-free wavetable oscillators and self-resonating filters capable of aggressive tones.
VST2Synths
Presto
Acolyte
Acolyte is a monophonic synthesizer inspired by the Yamaha CS-01 featuring a classic 1 VCO, 1 VCF, 1 envelope, and 1 LFO architecture.
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
KX77FREE
8X8CC plus
8X8CC plus by KX77FREE is an 8 oscillator analog synth designed to emulate classical ensemble sounds such as strings, brass, choirs, guitar, and bass. It is also suitable for synthetic pads and unison leads.
VST2Synths
Quilcom
7SAW
7SAW by Quilcom is a free oscillator plugin inspired by the Roland JP-8000 Supersaw synthesizer, available in VST2 format for Windows x86.
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
Sean Luciw
Ancient Solfeggio Synthesizer
Ancient Solfeggio Synthesizer by Sean Luciw generates the Ancient Solfeggio Tones using frequencies like 396 Hz, 417 Hz, 528 Hz, 639 Hz, 741 Hz, and 852 Hz for sound healing and meditation.
VST2Synths
The free-plugin pulseUpdated Aug 17, 2026
211 plugins are ready to install in one click.