iPlug 2
C++ Audio Plug-in Framework for desktop, mobile, xr and web
...It abstracts both the audio processing layer and the graphical user interface, allowing developers to focus on signal processing and design while the framework handles platform-specific details. The framework supports a wide range of plug-in standards, including VST, Audio Units, AAX, and newer formats like CLAP, enabling compatibility with major digital audio workstations. It also includes a flexible graphics system that can use different rendering backends such as NanoVG or Skia, allowing developers to choose between performance and visual complexity. iPlug2 has been extended to support WebAssembly, enabling developers to deploy audio plug-ins directly in the browser using Web Audio Modules. ...