Dart is an open-source, general-purpose programming language developed by Google. It is designed for building web, server, and mobile applications. Dart is known for its efficiency and versatility, offering features such as a strong static type system, garbage collection, and an extensive set of libraries. It supports both Just-In-Time (JIT) and Ahead-Of-Time (AOT) compilation, making it suitable for a wide range of development scenarios. One of its key use cases is in creating Flutter applications, enhancing the productivity and performance of cross-platform mobile app development.