Ant Design is a comprehensive design system and React component library that offers a wide range of polished and customizable UI components for building modern web and mobile applications. It's widely used for its aesthetic appeal, robust feature set, and support for internationalization.

Chakra UI is a popular open-source React component library that simplifies building accessible and customizable user interfaces by providing a set of well-designed, composable UI components with a focus on flexibility and theming. It's known for its ease of use and integration with modern web development workflows.

Material-UI is a popular open-source React component library that implements Google's Material Design principles, offering a vast collection of pre-designed and customizable UI components for creating visually appealing and responsive web applications. It's known for its seamless integration with React and extensive theming capabilities.

NextUI is a UI library for React that combines the power of TailwindCSS with React Aria to provide a complete components (logic and styles) for building accessible and customizable user interfaces. Since NextUI uses TailwindCSS as its style engine, you can use all TailwindCSS classes within your NextUI components, ensuring optimal compiled CSS size.