webMethods Integration Server is a Java-based, multiplatform enterprise integration server that is one of the core application servers in the webMethods platform. It supports integration of diverse services, such as mapping data between formats and communication between systems. An integration server may also be known as the core of webMethods Enterprise Service Bus. webMethods Integration Server allows you to integrate any technology from any vendor, including ERP systems, databases, mainframes, legacy apps, SaaS platforms, Web services, JMS messaging systems and packaged apps.