IBM Z and z/OS

Bring AI to mission-critical workloads with IBM Z and z/OS

IBM zSystems and z/OS offer a stable, secure, continuously available, and scalable environment for applications running on the mainframe.

21 January 2026

Article

High-performance SnapML preprocessing for machine learning on IBM Z

Boost machine learning performance on IBM Z with SnapML preprocessing that uses scikit learn pipelines, optimized C++ execution, efficient data transformations, graph feature engineering, and consistent training to production workflows for accurate and low latency enterprise inference.

26 November 2025

Tutorial

Develop a JMS application for CICS Liberty

Learn how to create an enterprise messaging Java EE application using IBM MQ and deploy it into a CICS Liberty JVM server.

20 October 2025

Tutorial

Generate Java records from COBOL with IBM Developer J2C tools

Use Java data bindings in IBM Developer for z/OS to create Java classes from COBOL data structures.

20 October 2025

Series

Spring Boot Java applications for CICS

Learn how to start using Java and Spring Boot in CICS Liberty. Spring Boot makes it easy to create standalone, production-grade Java apps that run easily.

20 October 2025

Tutorial

Spring Boot Java applications for CICS, Part 4: JDBC

Create a Java app that accesses a relational database using Spring Boot's approach to JDBC.

20 October 2025

Tutorial

Spring Boot Java applications for CICS, Part 3: Transactions

Learn three different ways to achieve transaction management in Spring Boot with CICS.

20 October 2025

Tutorial

Spring Boot Java applications for CICS, Part 5: JMS

Learn how to use Spring Boot's JMS capabilities integrated into a CICS Liberty server, with IBM MQ as the JMS provider.

20 October 2025

Tutorial

Spring Boot Java applications for CICS, Part 2: Security

Explore three different options for securely deploying a Spring Boot application into Liberty running in CICS.

20 October 2025

Tutorial

Build Java records from COBOL with IBM Record Generator

Automate the generation of Java helper classes from a COBOL copybook using the IBM Record Generator for Java V3.0.

20 October 2025

Tutorial

Spring Boot Java applications for CICS, Part 1: JCICS, Gradle, and Maven

Learn how to develop a Spring Boot application for CICS using Gradle or Maven, and how to deploy it into a CICS Liberty JVM server.

19 September 2025

Open Project

z/OS Open Tools

Open source project: z/OS Open Tools

04 September 2025

Tutorial

Build a confidential computing environment on-premises with Red Hat

Learn how to deploy Hyper Protect Container Runtime on IBM LinuxONE using Red Hat to secure sensitive workloads and protect data-in-use on-premises.

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Open Source

IBM Z and z/OS

Bring AI to mission-critical workloads with IBM Z and z/OS

High-performance SnapML preprocessing for machine learning on IBM Z

Develop a JMS application for CICS Liberty

Generate Java records from COBOL with IBM Developer J2C tools

Spring Boot Java applications for CICS

Spring Boot Java applications for CICS, Part 4: JDBC

Spring Boot Java applications for CICS, Part 3: Transactions

Spring Boot Java applications for CICS, Part 5: JMS

Spring Boot Java applications for CICS, Part 2: Security

Build Java records from COBOL with IBM Record Generator

Spring Boot Java applications for CICS, Part 1: JCICS, Gradle, and Maven

z/OS Open Tools

Build a confidential computing environment on-premises with Red Hat