IBM WebSphere Application Server is the most reliable, secure and flexible Java™ Enterprise Edition (Java EE)-based runtime environment. IBM WebSphere® opens the door for any developer using any tool for any app — on any cloud. WebSphere is a highly scalable server environment designed to host cloud applications and microservices in any size organization. Increase developer productivity by 25 percent with WebSphere Liberty, a runtime that is included in all versions, thanks to zero-migration for your application infrastructure and the ability to access new capacity and move apps to the cloud in minutes. Reduce cost by using WebSphere Liberty because of simplified administration and a 30 percent reduction in infrastructure utilization. Product versions 1. WebSphere Application Server: Use this version for Java EE Full Profile applications that need to integrate with existing Java EE applications such as those using JMS. 2. WebSphere Liberty Core: The ideal version for Web applications or microservices that rely only on the Java EE Web Profile. 3. WebSphere Application Server ND: Use this version for managing Java EE Full Profile applications that run outside of a containerized environment. 4. WebSphere Application Server Family edition: The Family edition offers increased license flexibility across your enterprise for three WebSphere products: WebSphere Application Server, WebSphere Liberty Core, and WebSphere Application Server ND.