React Native is an open-source framework developed by Facebook that allows developers to build mobile applications using JavaScript and React. As a cross-platform framework, React Native enables the creation of native-like mobile apps for both iOS and Android platforms from a single codebase. It has gained widespread popularity for its efficiency, rapid development capabilities, and the ability to reuse code across different platforms. React Native is a powerful and versatile framework for developing cross-platform mobile applications. Its combination of JavaScript, React, and native capabilities allows for efficient development, code reuse, and the creation of high-quality, native-like user experiences on both iOS and Android devices.