ANIMEVOX by castpixel is a free retro anime-style sound fx generator

Sparkle! Slash! PowerUP! This deceptively simple, stupidly fun free browser tool/download generates sound effects in the style of 80s and 90s Japanese animation, all thanks to a clever signal chain. And you can export WAV files, so you could use it to build instruments/drum racks, too.

littlescale’s Simple Audio Editor: a free, no-install audio editor in your browser

Prolific as always, Sebastian Tomczak (aka littlescale) just dropped this gem. What do you need nine times out of ten from an audio editor? Visualize, check levels, trim, gain, fade, reverse, normalize, export — now you can do all of that with one handy index.html file and any browser, free.

Peter Kirn - January 18, 2026

ENDOGEN: a deep experimental exploratorium of lowercase synthesis

Enter an organic sound machine that will take you to an imagined sound world somewhere between a temple garden and a half-awake dream. ENDOGEN is a dazzling tool, built in Max and SuperCollider, that explores notions of lowercase synthesis. There’s a lot to cover as far as what it can do — but you should also feel empowered to play and get lost.

Peter Kirn - January 15, 2026

PatchSeq puts a FM-filled, sequenced patcher inside your VCV Rack

Peter Kirn - January 11, 2026

Watch as a telephone is transformed into a DIY analog drum machine

Peter Kirn - January 9, 2026

A free emulator of Roland JP-8000 and the love of supersaws and trance

Peter Kirn - December 30, 2025

Mexico City’s N.A.A.F.I has all your club bangers in one, convenient place

Peter Kirn - December 5, 2025

Lethelium, a 24-string instrument fashioned from a bicycle wheel

Peter Kirn - December 2, 2025

Super Massive 5 adds Sirius echo/reverb to the best free plugin in the galaxy

Peter Kirn - November 28, 2025

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