ModulAir is a Free Polyphonic Modular Synthesizer

Available for Mac and PC      26/02/19

Full Bucket Music, have a rich history in developing free VST and AU plugins, they have a really wide range of different emulations and original designs. Just check out their siteModulAir 1.0 is their first modular synthesizer and its polyphonic!, which is notoriously hard (or expensive) to do in the modular world (although it is getting easier

ModulAir is written in native C++ code for high performance and low CPU consumption. It was previously only available as a Public Beta. However as is noted by the developer;

ModulAir is a work in progress and as of now with only a bunch of quirky presets and a lousy documentation. I am constantly adding modules and stuff to it. :-)


  • Fully modular architecture
  • Up to 18 modules per patch
  • 43 module types available
  • Polyphonic Voice and monophonic Master modules
  • Up to 64 voices polyphony
  • External signal processing possible
  • TUN/SCL micro-tuning file import
  • MIDI Learn – all parameters can be controlled by MIDI CC
  • Double precision audio processing
  • Plug-in supports Windows and macOS (32 bit and 64 bit)
  • ModulAir is a free download in VST and AU plugin formats


Donations for ModulAir are encouraged, so if you're using it and enjoying it, why not jump over to Full Bucket Music and chuck them a couple of quid ;-)

Even more news...


More Videos

Sonic LAB: Behringer Poly D - 4 Voice Analog 

Paraphonic D keyboard

Sonic LAB: Modal Electronics Argon 8 Wavetable Synth 

8 voices, full size keys

Sonic LAB: Pittsburgh Modular Voltage Research Laboratory 

Compact West Coast powerhouse

Sonic LAB: Cubase 10.5 Update 

New workflows and features