WebMethods Integration Server is an enterprise-level integration software developed by Software AG. It allows businesses to integrate various applications, systems, and data sources, enabling seamless communication and data exchange between them. Users can create, configure and manage integration scenarios, perform data mapping, and monitor performance using a visual interface. WebMethods Integration Server supports a wide range of protocols and standards, including SOAP, REST, JDBC, FTP, HTTP, JMS, and XML, making it a versatile and highly customizable integration solution. It requires specialized skills and expertise to effectively implement and maintain the software.