Nuclear test equipment inspired this new Eurorack module

Boxcar averagers, used in vintage nuclear test equipment, inspired the latest creation from AI Synthesis. What you get is the AI250 BXR: it’s an oscillator, a voltage generator, and an audio mangler all in one. And it’s a pathway into DIY modules, even on tight budgets.

Elastic OSC, Plaits as an instrument app, now supports Android, MPE

Oliver Greschke’s Elastic OSC continues to blossom as a mobile instrument. Packed with open-source algorithms from Mutable Instruments’ Plaits as oscillators, Elastic OSC has added powerful modulation and now supports Android and MIDI Polyphonic Expression.

Peter Kirn - March 26, 2026

Basil stereo delay completes Bastl’s PIZZA trio on VCV Rack — all for free

The freeware VCV Rack ports of Bastl’s delicious PIZZA family now include the original Pizza oscillator, Crust drum/percussive voice, and Basil stereo delay. Endless patching pleasures await with these (and don’t forget the free and open source KOMPAS “probability navigator,” too).

Peter Kirn - February 22, 2026

New free VCV Rack modules: chaotic oscillators, HP word generator, drums

Peter Kirn - July 21, 2025

Elastic OSC is a Mutable Instruments-based polysynth voice for iOS: tested

Peter Kirn - May 5, 2025

1982’s PPG Wave 2 arrives in reimagined Eurorack form

Peter Kirn - February 11, 2025

Befaco Oneiroi, all-in-one soundscape module, now in VCV Rack

Peter Kirn - December 18, 2024

Synthesizers.com in VCV Rack gives you Moog-like 5U in software, for free

Peter Kirn - October 25, 2024

Rift offers playful additive synthesis exploration: Max for Live review

Peter Kirn - June 27, 2024