KBplugs
Multipoly
Multipoly by KBplugs is a Moog Multimoog inspired synthesizer emulation offering authentic circuit-inspired sounds without presets. It is available as a free VST2 plugin for 32-bit Windows systems.
VST2Synths
Instruments, effects, and hidden gems
Free plugins: Synths
Browse 587 reviewed free synths plugins for Windows, with compatibility, formats, interface previews, and installation details.
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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587 plugins
Every reviewed plugin matching the current filters.
GTG
MS 2008
MS 2008 by GTG is a classic analog-style synthesizer featuring a logical layout with modulation envelope, chorus, delay, sub oscillator, and fast envelopes.
VST2Synths
Full Bucket Music
Mono/Fury
Mono/Fury is a high-performance emulation of the classic Korg Mono/Poly analog synthesizer from the early 1980s. It features monophonic and quadrophonic keyboard modes and four band-limited oscillators.
VST2Synths
KBplugs
mOdyCat
mOdyCat by KBplugs is an octave CAT inspired synthesizer emulator for Windows. It offers authentic-style circuit emulation without aiming for exact hardware accuracy and does not include presets.
VST2Synths
easytoolz
minitron
minitron by easytoolz is a free Windows VST2 synthesizer inspired by the Korg Monotron. It features one sawtooth oscillator, one pulse LFO, a Moog-style low-pass filter, and a sub-oscillator with noise and square wave options, each with its own low-pass filter.
VST2Synths
KBplugs
minimodular
minimodular by KBplugs is a compact Moog-style modular synthesizer emulation for Windows 32-bit systems. It offers a hands-on synthesis experience without presets to encourage real-time sound exploration.
VST2Synths
KBplugs
Matrix Six1
Matrix Six1 is a free VST2 synthesizer plugin for Windows inspired by the Oberheim Matrix Six. It offers a unique take rather than an exact hardware emulation.
VST2Synths
Acrobatics
Mate
Mate by Acrobatics is a vintage-inspired synthesizer offering authentic string, piano, bass, organ, and bell tones with flexible modulation for both classic and spacey sounds.
VST2Synths
KBplugs
M
M is a free VST2 synthesizer plugin for Windows inspired by Waldorf Q and Pulse synths. It features circuit-inspired sounds without presets, delivering a raw and authentic experience.
VST2Synths
KBplugs
Luge
Luge by KBplugs is a free VST2 synthesizer plugin for Windows that emulates the StudioLogic Sledge synth circuit, focusing on inspired design rather than exact hardware accuracy. It features no presets, mirroring the original instrument's hands-on approach.
VST2Synths
Contralogic Productions
Leto
Leto is a free monophonic synthesizer plugin emulating the 1977 Synthetone SX1000 monosynth. It offers sawtooth, square, and adjustable pulse waveforms plus white and pink noise generator.
VST2Synths
Samsara Cycle Audio
LELL22
LELL22 by Samsara Cycle Audio is a vintage Soviet analogue synthesizer clone available as a free VST2 plugin for Windows.
VST2Synths
Samsara Cycle Audio
Lazarus-Mini
Lazarus-Mini by Samsara Cycle Audio is a free virtual analogue synthesizer offering mono and 8-note polyphonic modes, featuring 3 oscillators with multiple waveforms and modulation options.
VST2Synths
KBplugs
Kroma flexPatch
Kroma flexPatch by KBplugs is a flexible Rhodes Chroma synthesizer emulation featuring cable-based module interconnections and versatile waveforms with CS-80 style filters. Available as a free VST2 plugin for Windows 32-bit systems.
VST2Synths
KBplugs
Kroma Duette
Kroma Duette by KBplugs is a free Rhodes Chroma-inspired synthesizer emulation for Windows. It captures the essence of the vintage unit's circuits without aiming for exact hardware accuracy. This classic synth experience ships without presets, reflecting the original's design.
VST2Synths
Kriminal
KRM61
KRM61 by Kriminal is a Windows 32-bit VST2 plugin that emulates the 1982 Korg Poly61 synthesizer with 2 DCOs, a 4-pole low-pass filter, and chorus effect.
VST2Synths
Open Source VSTi
Juno 6
Juno 6 is a free virtual analogue synthesizer plugin for Windows that emulates the classic Roland Juno 6/60 sound.
VST2Synths
KBplugs
Insoniq EZQ-FM
Insoniq EZQ-FM is a free Windows VST2 synthesizer plugin by KBplugs, emulating the Ensoniq SQ-80 and ESQ-1 synths without aiming for hardware accuracy.
VST2Synths
The free-plugin pulseUpdated Aug 23, 2026
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