MARVIN PAVILION
Casiopea
Casiopea is an 8-voice polyphonic phase distortion synthesizer featuring two oscillators with multiple waveforms, resonance types, three envelopes, and ring modulation. Available as a free VST2 plugin for Windows.
VST2Synths
Instruments, effects, and hidden gems
Free plugins: Instruments
Browse 1072 reviewed free instrument plugins for Windows, with compatibility 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
Filtered catalog
1072 plugins
Every reviewed plugin matching the current filters.
Shuttleplug
Burque
Burque by Shuttleplug is a free VST2 synthesizer plugin for Windows that combines phase distortion, subtractive synthesis, and waveshaping to create rich synth-bass sounds. It features a mono mode for monophonic play and retrigger envelopes when playing legato.
VST2Synths
Quilcom
Blender 2
Blender 2 by Quilcom is a free VST synthesizer plugin for Windows that enables dynamic waveform morphing by blending four sound sources using a recordable joystick interface.
VST2Synths
zOne.sk
Asper
Asper by zOne.sk is an experimental synthesizer that combines wavetable, subtractive, phase distortion, and physical modeling synthesis with oscillator-level humanization to create unique sounds.
VST2Synths
B Serrano
Anubis 2
Anubis 2 is a hybrid synthesizer combining subtractive, FM, and additive synthesis with 32-voice polyphony and rich modulation options.
VST2Synths
L-Day
Antopya
Antopya by L-Day is a free Windows VST2 synthesizer plugin specializing in ambient sounds and effects through FM and additive synthesis.
VST2Synths
X-Zero Productions
Angulon
Angulon by X-Zero Productions is a free Windows VST2 synthesizer featuring 3 oscillators combining phase distortion and FM synthesis, plus dual assignable LFOs, mod envelope, reverb, and overdrive effects.
VST2Synths
SyncerSoft
Analog Nexus
Analog Nexus by SyncerSoft is a vintage style warp synthesis synthesizer for Windows, featuring four analog style filters, reverb, and delay effects. Ideal for creating synthetic basses, leads, and pads.
VST2Synths
Krakli
ADK
ADK by Krakli is a spectral additive synthesizer featuring additive oscillators with modulation driven by ADSR envelopes or LFOs, combined with an FM section for added sonic complexity.
VST2Synths
Preromanbritain
YMVST
YMVST is a free VST2 plugin for Windows that authentically emulates the Atari ST YM2149 sound chip, delivering classic chipsounds with a user-friendly interface.
VST2Synths
igorski
VSTSID
VSTSID is a free VST2 synthesizer plugin that emulates the sound chip of the Commodore 64, featuring tempo-synced arpeggiation and fully automatable parameters.
VST2Synths
VETRIX
VINYLUSION
VINYLUSION by VETRIX is a free VST2 plugin for Windows that emulates the texture and sound characteristics of vinyl records, adding crackles, pops, static, and hiss for a warm vintage feel.
VST2Synths
ToneBytes
Vinyl
Vinyl by ToneBytes is a free Windows VST2 plugin that emulates the nostalgic sounds of old vinyl records, including adjustable dust noise and frequency response.
VST2Synths
Odosynths
Unknown64
Unknown64 by Odosynths is a free Windows VST synthesizer featuring an oscillator, wavetable with multiple waveforms, dual arpeggiators, and versatile modulation options.
VST2Synths
Spacedad
Unicycle
Unicycle by Spacedad is a free 8-bit wavetable synthesizer for Windows featuring 300 four-cycle waveforms, drawable ADSR drawbars controlling AMP, PITCH, FILTER, and BADNESS parameters, plus dual LFOs with tempo sync.
VST2Synths
Tweakbench
triforce
triforce by Tweakbench is a free VST2 synthesizer plugin for Windows that emulates classic Nintendo Entertainment System sounds with three wave types and a simple arpeggiator.
VST2Synths
Arman Bohn
Toy Piano
Toy Piano is a clean-sampled, velocity-sensitive synthesizer plugin featuring a simple ADSR interface and a limited note range to emulate a real toy piano.
VST2Synths
Spacedad
Superubbish
Superubbish by Spacedad is a free polyphonic synthesizer plugin for Windows 32-bit systems offering unique synthesis capabilities.
VST2Synths
The free-plugin pulseUpdated Aug 23, 2026
1696 plugins are ready to install in one click.