React Native has become a popular framework for building cross-platform mobile applications using JavaScript and React, supported by a vibrant community that produces numerous libraries to enhance development. Among the top UI libraries for React Native are styled-components, React Native Extended StyleSheet, React Native Elements, React Native Paper, React Native Material UI, and UI Kitten, each offering unique advantages in styling, theming, component availability, and performance optimization. Styled-components allow CSS to be written as React components, enhancing code readability and reusability, while React Native Extended StyleSheet provides advanced features like media queries and dynamic styles. React Native Elements and React Native Paper offer extensive UI components, with the latter focusing on Material Design. React Native Material UI and UI Kitten provide pre-built components and strong theming support, with UI Kitten emphasizing performance and smooth user experiences. The React Native ecosystem continues to grow, driven by ongoing contributions from its community, and tools like LogRocket help developers monitor and improve app performance and user interaction.