IBM® Developer for z/OS® is a modern, robust toolset for developing and maintaining IBM z/OS applications through the use of DevOps practices. It helps you deliver more, faster, with better quality and agility. IBM Developer for z/OS offers COBOL, PL/I, HLASM, Java® and C/C++ development tools on an Eclipse® base. And, with Enterprise Edition, developers have the option to choose Microsoft® VS Code™ for their daily z/OS development work.
IBM® Z® Development and Test Environment is a platform for mainframe application development, testing, demonstration and education. It enables any z/OS® software to run on a x86-compatible on-premise system or cloud instance by emulating the IBM Z instruction sets and using virtual CPs, I/O, and other devices. Z Development and Test Environment Enterprise Edition is a role-based offering (providing both a web interface and RESTful APIs) that allows you to create, manage and deploy your emulated environments for development and test activities.