Explore Project Noisefloor, a modular software synthesizer implemented in Golang and transpiled to Javascript, in this conference talk. Learn about designing software for multiple platforms, including Linux, Windows, and web browsers. Discover the challenges of running real-time signal processing in the browser and gain insights into the project's architecture, build options, and user interface. Delve into the limitations, progress, and testing methodologies employed in developing this innovative synthesizer. Perfect for developers interested in audio programming, cross-platform development, and the intersection of music and technology.