What is IBM WebSphere Application Server?

IBM WebSphere Application Server (WAS) is a software product that performs the role of a web application server. It is used to deploy and manage enterprise Java applications, providing a robust and scalable platform for running business applications. WebSphere handles requests from web browsers and mobile devices, executes application logic, and interacts with databases and other enterprise systems. It supports Java EE standards and provides features like transaction management, security, and clustering for high availability.