IBM® Rational® Developer for System z® provides modern application development tools for applications running on IBM z/OS® operating systems. With COBOL, PL/I, C++, assembler and Java development tools for use in batch, IBM CICS®, IBM IMS™ and IBM DB2® processing environments, IBM Rational Developer for System z uses the workstation-based Eclipse platform to create, deploy and maintain traditional transactional applications and modern composite applications. Rational Developer for System z features: An integrated, multiplatform development environment with modern, simple-to-use application development tools. IBM System z application development tools that support the design, creation and maintenance of mainframe applications. Integration with source control and collaborative lifecycle management systems that can streamline development processes. Quality control measures that help to improve application value and effectiveness. CICS, IMS and DB2 support, including tools for composite processing.