React Spectrum UI

Remix

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React Spectrum is an enterprise-grade React component library developed by Adobe, designed to provide a complete set of accessible, themeable, and internationalized UI components. Built to support Adobe's design language, it emphasizes performance, accessibility (WCAG 2.1 compliance), and consistency across platforms. With built-in support for light and dark themes, locale-based formatting, and responsive design, React Spectrum is ideal for applications that need to scale globally and support a wide range of users. Unlike headless libraries, it comes fully styled and production-ready out of the box.