Instruments, effects, and hidden gems

Free plugins: Instruments

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

Install IndiePlugins
2140reviewed plugins
79%install-ready
Top 5category ranks
40sound categories

Filtered catalog

1072 plugins

Every reviewed plugin matching the current filters.

Polly plugin interface
KBplugs

Polly

Polly by KBplugs is a free Moog Polymoog inspired synthesizer emulation for Windows in VST2 format. It delivers analog-style synthesis without presets.

VST2Synths
Phutura plugin interface
Phuturetone

Phutura

Phutura is a free virtual synthesizer inspired by the 80's Alpha Juno hardware synth, famous for the Hoover sound. It excels at producing edgy leads and chord stabs for dark, energetic music styles like Techno and Rave.

VST2Synths
OBXD plugin interface
2DaT

OBXD

OBXD by 2DaT is a free VST2 synthesizer plugin emulating classic Oberheim OB-X, OB-Xa, and OB-8 synths, enhancing select features for improved sound.

VST2Synths
OB-2 plugin interface
KBplugs

OB-2

OB-2 by KBplugs is a free VST2 synthesizer plugin for Windows inspired by the Oberheim OB-1, offering a classic style without presets.

VST2Synths
Nebula plugin interface
KBplugs

Nebula

Nebula by KBplugs is a free synthesizer plugin inspired by the Alesis SuperNova. It delivers a raw synthesis experience without presets, reflecting the straightforward nature of the original hardware.

VST2Synths
Mx-Jr plugin interface
KBplugs

Mx-Jr

Mx-Jr is a Windows-only OB-Mx synthesizer emulation by KBplugs that captures the spirit of the original Oberheim circuit design without aiming for exact hardware accuracy. It features no presets, encouraging hands-on programming.

VST2Synths
Multipoly plugin interface
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
MS 2008 plugin interface
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
Mono/Fury plugin interface
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
mOdyCat plugin interface
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
minitron plugin interface
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
minimodular plugin interface
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
Matrix Six1 plugin interface
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
Mate plugin interface
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
M plugin interface
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
Luge plugin interface
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
Leto plugin interface
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
LELL22 plugin interface
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
The free-plugin pulseUpdated Aug 23, 2026

1696 plugins are ready to install in one click.