Free modular synths

Virtual Eurorack and patchable environments you can run for free: thousands of modules, in your DAW or standalone.

6 synths · updated 2026-09-11

01
Cardinal
DISTRHO · Modular · VST3, VST2, AU, CLAP, LV2, Standalone · Windows, macOS, Linux
VCV Rack as a plugin, with 1,382 modules baked in. Free, open source, runs in your DAW or in a browser.
Download from cardinal.kx.studio Details
02
Beatzille
u-he · Modular · VST3, AU, AAX · Windows, macOS, Linux
A pocket Bazille: two digital oscillators with FM, phase distortion and fractal resonance, patchable modulation.
Download from u-he.com Details
03
ModulAir
Full Bucket Music · Modular · VST2, VST3, AU, CLAP · Windows, macOS
A lightweight polyphonic modular synth: 57 module types, up to 64 voices, CLAP included.
Download from fullbucket.de Details
04
VCV Rack 2 Free
VCV · Modular · Standalone · Windows, macOS, Linux
The virtual Eurorack. Thousands of modules, a whole community, free as a standalone app.
Download from vcvrack.com Details
05
Bespoke Synth
Ryan Challinor · Modular · Standalone · Windows, macOS, Linux
A modular canvas made for jamming: patch synths, sequencers and even VST plugins in a free-form space.
Download from bespokesynth.com Details
06
Voltage Modular Nucleus
Cherry Audio · Modular · VST2, VST3, AU, AAX, Standalone · Windows, macOS
A free 22-module starter kit for Cherry Audio’s Voltage Modular, with over 130 presets.
Download from store.cherryaudio.com Details

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