IBM Z and Cloud Modernization Stack
Leverage the best of the mainframe and the innovation of the cloud
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IBM Z® and Cloud Modernization Stack combines the power of IBM Z and the strength of Red Hat® OpenShift® Container Platform and delivers a modern, managed as-a-service model to complement your most resilient production workloads.

Deploy IBM Z and Cloud Modernization Stack to replace time-consuming, ticket-bound provisioning with progressive tooling and resource management. Use consistent as-a-service workflows to keep production systems well-managed and controlled. Enable sandbox environments to encourage the play and exploration that is so essential to application developers. And promote powerful skill-building opportunities through Wazi, z/OS Cloud Broker, z/OS Connect, Open Enterprise Languages, z/OS Package Manager, and Z Open Automation Utilties to developers, system programmers, system administrators, and other team members at all levels of expertise.

Mainframe application modernization

Discover why modernizing mainframe-based applications is a critical element in a successful hybrid cloud strategies, holistic digital transformation and innovation realization.

Products included in the stack

IBM Z and Cloud Modernization Stack comes with the following products and capabilities. To see how these products work together, see Workflow.

Red Hat OpenShift Container Platform Operators

Wazi Analyze

Analyzes applications so that developers can quickly discover the relationships between the components of z/OS applications.

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Wazi Code

Provides a familiar experience for developers when they work with z/OS applications. Developers can edit, build, and debug applications through z/OS language support.

Explore IBM Wazi Code

Wazi Sandbox

Provides a containerized, self-service personal sandbox environment on Red Hat OpenShift that runs on x86 hardware.

Explore IBM Wazi Sandbox

z/OS Connect

Provide simple and intuitive containerized z/OS APIs on Red Hat OpenShift.

Explore IBM z/OS Connect

z/OS Cloud Broker

Integrates z/OS-based services and resources with Red Hat OpenShift.

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z/OS Cloud Broker-managed suboperators

z/OS Package Manager

Deploys and manages software on z/OS systems from Red Hat OpenShift Container Platform.

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IMS Operator Collection

Provides self-service provisioning of IBM Information Management System (IMS).

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CICS TS Operator Collection

Provides self-service provisioning of IBM CICS Transaction Server (CICS TS).

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z/OS Package Manager packages

C/C++ for Open Enterprise Languages on z/OS

Allows the installation and build of native components of applications that are written with the Open Enterprise SDKs.

Explore IBM C/C++ for Open Enterprise Languages on z/OS

64-bit SDK for z/OS, Java™ Technology Edition

Provides development tools and a Java™ application runtime environment. In an IBM Z and Cloud Modernization Stack environment, extra installation steps are required to use the JZOS batch launcher to run applications as batch jobs or started tasks from z/OS.

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Open Enterprise SDK for Go

Provides a Go compiler for z/OS.

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Open Enterprise SDK for Node.js

Provides an extended implementation of the Node.js runtime for z/OS.

Explore IBM Open Enterprise SDK for Node.js

Open Enterprise SDK for Python

Provides a Python interpreter for z/OS.

Explore IBM Open Enterprise SDK for Python

Z Open Automation Utilities

Helps developers who are familiar with Linux® and UNIX to use the UNIX System Services environment to access z/OS resources, such as data sets, without the need for JCL.

Explore IBM Z Open Automation Utilities
Benefits Reduce the talent gap

IBM Z supports open and standard programming languages, toolchains, and development practices, opening up a broad pool of available talent.

Create a consistent DevOps experience

IBM Z supports modern DevOps tools and practices that are common and consistent with cloud application development techniques.

Access mainframe data easily

Use your IBM Z data without moving off-platform to unlock the full value of your mission-critical data.

Optimize costs

Select from a broad set of capabilities, languages, and tools, paying only for what you use.

Maintain optionality

Use Red Hat® OpenShift® as a common open hybrid cloud platform to build once and deploy where there is the best fit.

Application analysis

Reduce the risk of application changes by rapidly analyzing your code changes to ensure your dependencies are known before getting started.

Open-standard-based APIs

Provide highly-secure access to mainframe applications and data through industry standard APIs using Open API specifications.

Cloud-native development

Develop and modernize IBM z/OS applications with a cloud-native approach, increasing speed and agility for greater developer productivity.

The z/OS PaaS experience

Use simple and automated z/OS software management for self-serve access to z/OS environments for developers.

Use Cases Enable low-code Open APIs in minutes

Implement and test new APIs in isolation using an OpenAPI 3 specification and API first mapping.

Edit, debug, build and Deploy z/OS applications using cloud native tools

Use industry-standard tools common across platforms for application development.

Employ rapid application analysis

Plan your code changes and generate an impact analysis graph to view the dependencies.

Enhance apps with Open Enterprise languages

Add new microservices or application enhancements using the open enterprise language of your own choosing.

Self-service management of your z/OS environment

Experience z/OS platform as a service (PaaS) by extending Red Hat OpenShift with preconfigured software packaging.

Use on-demand z/OS environments and resources

Increase developer and systems programmer productivity with on-demand provisioning of z/OS resources using industry standard skills and practices.

Case studies BNP Paribas

BNP Paribas, in conjunction with IBM, deployed IBM zSystems solutions with open source tools to create a more efficient, agile, autonomous and user-friendly development environment.

Garanti BBVA

Garanti BBVA Technology deployed IBM Developer for z/OS to increase developer efficiency, accelerate development and testing phases and spend less time resolving minor issues.

Phoenix Software

Phoenix Software automated their online customer support with a modern event-driven solution using Node.js completing the prototype in a single weekend, achieving integration across varied platforms with little effort.

Resources Getting started

Explore what you need to get started with a product in IBM Z and Cloud Modernization Stack.


Before you install IBM Z and Cloud Modernization Stack, plan your installation and configuration requirements.

How it works

Discover how the products in IBM Z and Cloud Modernization Stack work across Red Hat OpenShift Container Platform and z/OS.

Accelerate mainframe application modernization with IBM and Microsoft

Modernizing mainframe applications is critical for improving business agility and innovation. Learn the right approach to take, and how to optimise costs and maximise your return on investment (ROI).

Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

A hybrid cloud strategy that includes IBM and AWS elevates your hybrid cloud strategy with the next level, optimising your existing investments and improving your organization's flexibility and scalability.

Mainframe Application Modernization with IBM Cloud and IBM Z

Discover the benefits of hybrid cloud strategy including innovative development practices, easier access to mainframe applications open to link that addresses skills gaps, and IT automation.

Related products IBM Cloud® Paks

IBM Cloud Packs deliver the only hybrid cloud platform experience, so you can build and modernise apps faster across any cloud or IT infrastructure.

IBM z/OS Connect

Unlock the value of your IBM zSystems subsystems with truly RESTful APIs and create consumable APIs in minutes.

IBM Application Discovery and Delivery Intelligence (ADDI)

Accelerate your digital transformation with application insights that increases productivity and reduce risk.

IBM Semeru Runtime Certified Edition for z/OS

A high-performance Java runtime and development kit that supports the Java Standard Edition specification.

IBM Open Enterprise Python for Node.js

Employ a no-charge, highly-secure, module-driven, and highly scalable approach to accelerate digital transformation on IBM zSystems.

IBM Open Enterprise SDK for Python

Modernize your critical applications by developing APIs, plugins and wrappers to extend business critical applications for faster delivery.

Next Steps

Explore IBM Z and Cloud Modernization Stack. Schedule a no-cost 30-minute meeting with an IBM Z representative.

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