Instruments, effects, and hidden gems

Free plugins: Instruments

Browse 1072 reviewed free instrument plugins for Windows, with compatibility and installation details.

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tonus 2813 plugin interface
KBplugs

tonus 2813

tonus 2813 by KBplugs is a Windows-only VST2 synthesizer inspired by the ARP Odyssey circuitry, delivering raw analog-style sound without presets.

VST2Synths
tonus 2620 plugin interface
KBplugs

tonus 2620

tonus 2620 is a VST2 synthesizer plugin for Windows that emulates the ARP 2600 circuits with a focus on inspired design rather than hardware accuracy.

VST2Synths
The Music Weasel plugin interface
KBplugs

The Music Weasel

The Music Weasel by KBplugs is a free Buchla Music Easel inspired synthesizer emulation available as a VST2 plugin for 32-bit Windows systems. It captures the spirit of the original circuits without exact sound replication and includes no presets.

VST2Synths
TAL-U-No-62 plugin interface
Togu Audio Line

TAL-U-No-62

TAL-U-No-62 is a polyphonic virtual analogue synthesizer plugin inspired by the classic JUNO-62, featuring original oscillator and filter emulations with self-resonance capabilities.

VST2Synths
tableBlend plugin interface
KBplugs

tableBlend

tableBlend is a free Windows VST2 synthesizer inspired by the DSI Prophet 12, emulating its circuits without targeting exact hardware sound replication. It features no presets.

VST2Synths
Synthy P plugin interface
KBplugs

Synthy P

Synthy P is a free EMS Synthi Professional inspired synthesizer emulation for Windows x86 in VST2 format. It offers circuit-inspired sound design without presets.

VST2Synths
Synthegrated 80 plugin interface
KBplugs

Synthegrated 80

Synthegrated 80 by KBplugs is a free Moog-inspired modular synthesizer emulation for Windows 32-bit systems in VST2 format. It delivers authentic vintage circuit-inspired sounds without presets.

VST2Synths
Synthegrated 15A plugin interface
KBplugs

Synthegrated 15A

Synthegrated 15A by KBplugs is a free VST2 synthesizer plugin for Windows that emulates the Moog modular Model 15, inspired by its circuits but not aiming for exact hardware accuracy. It features no presets, offering a raw modular experience.

VST2Synths
Synthegrated 12A plugin interface
KBplugs

Synthegrated 12A

Synthegrated 12A by KBplugs is a free VST2 synthesizer plugin for Windows that emulates the Moog modular Model 12 circuitry without aiming for exact hardware accuracy. It offers an authentic modular experience with no presets, just like the original.

VST2Synths
Syntha-kon plugin interface
KBplugs

Syntha-kon

Syntha-kon by KBplugs is a free VST2 synthesizer plugin for Windows inspired by the Steiner-Parker Synthacon, featuring authentic circuit emulation without presets.

VST2Synths
Stylophone plugin interface
superwave

Stylophone

The Stylophone by superwave is a monophonic VSTi replicating the iconic pocket synthesizer made famous by David Bowie. It features a sample-based oscillator and optional vibrato for authentic vintage sound.

VST2Synths
Stigma plugin interface
Full Bucket Music

Stigma

Stigma is a free synthesizer plugin by Full Bucket Music that emulates the 1979 KORG Sigma KP-30 Performing Synthesizer, featuring two band-limited oscillators and nineteen presets with individual filters, envelopes, and amplifiers.

VST2Synths
RITM III plugin interface
Samsara Cycle Audio

RITM III

RITM III by Samsara Cycle Audio is a free classic Soviet era analogue synthesizer clone in VST2 format for Windows.

VST2Synths
Razorblade plugin interface
Quilcom

Razorblade

Razorblade is a free synth plugin inspired by the classic 80's Ensoniq ESQ-1 and SQ-80, featuring authentic waves extracted from the original ROMs.

VST2Synths
Ragnarok plugin interface
Full Bucket Music

Ragnarok

Ragnarok by Full Bucket Music is a free virtual analog synthesizer plugin inspired by a unique 1980 custom-built hardware synth. It features standard VA architecture with an oscillator section feeding a dynamically controlled filter.

VST2Synths
PPG Wave plugin interface
Hermann Seib

PPG Wave

PPG Wave is a free VST2 synthesizer plugin for Windows that emulates the Waldorf PPG 2.2 V6 with 8 voices and stereo output.

VST2Synths
PolyStep plugin interface
KBplugs

PolyStep

PolyStep is a synthesizer plugin inspired by the Quasimidi Polymorph with an original circuit emulation approach. It offers an experimental sound design experience without presets.

VST2Synths
Poly-LD8D plugin interface
L-Day

Poly-LD8D

Poly-LD8D is an 8-voice polyphonic synthesizer inspired by the Korg Poly 800, featuring dual oscillators with scalable overtones, ADBSSR envelopes, a low-pass resonance filter, noise generator, and LFO.

VST2Synths
The free-plugin pulseUpdated Oct 14, 2026

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