Jakarta EE is a set of specifications that extend the Java Platform for developing enterprise applications. It provides a robust framework for building scalable, reliable, and secure applications, making it easier for developers to create complex software solutions. Originally known as Java EE, Jakarta EE is now managed by the Eclipse Foundation. It includes various APIs and tools for web services, persistence, and messaging, among others. This platform supports a wide range of application servers and is designed to be cloud-friendly, promoting modern development practices.