High-performance
live-coded audio synthesis.

A DAG-based DSP engine + pattern DSL that runs in the browser, on desktop, in Godot, and on ESP32.

Try it in your browser View on GitHub

Try it here.

Hello Sine — click to load, then edit while it plays.

Open the full IDE

Live-coding patterns

Akkado + Strudel-style mini-notation for rapid musical exploration.

95+ DSP opcodes

Oscillators, filters, reverbs, granular, vocoder, Karplus-Strong, and more.

Runs everywhere

Native, web, Godot addon, ESP32 — one codebase, any platform.

Lightweight runtime

Cedar is a standalone C++ library, easy to embed anywhere.

Hot-swap preserved

Change code while it plays, no glitches or dropped notes.

MIT licensed

Permissive open source, embed in closed-source projects.

Where it runs

Web IDE
Native CLI
Godot addon
ESP32