If you're building Serious Software™ - ProUI is *the* toolkit for you. ProUI is a precision-engineered collection of shadcn/ui components for crafting beautiful, information-dense and native-feeling UIs for professional applications. Inject my half a decade of experience of building pro apps straight into your coding agent. Whether you're building an image editor, a video NLE, a DAW or a Three.js game engine with Astra - ProUI makes it look and feel like the real deal. Includes 6 app templates.