Open Liberty

A lightweight open framework for building fast and efficient cloud-native Java microservices

Open Liberty is the most flexible server runtime for Java. IBM WebShere Liberty is a lightweight Java runtime built on the open source Open Liberty runtime.

Articles

05 March 2026

Article

Migrate JAX-RPC to JAX-WS for Liberty: Automated conversion guide

Learn how to automatically migrate JAX-RPC applications to JAX-WS for WebSphere Liberty using IBM AMA Dev Tools. Step-by-step guide to overcome Java modernization challenges and save development time.

13 January 2026

Article

Creating cloud-native applications: 12-factor applications

The 12-factor app methodology provides guidelines to help developers design and build cloud-native apps. Explore how to take advantage of each of these factors to create apps, using open source technologies, that thrive in the cloud.

13 January 2026

Article

Beyond the 12 factors: 15-factor cloud-native Java applications

Investigate the revised 15-factor app methodology and examine why it suggests an additional three factors to build truly cloud-native applications.

13 January 2026

Article

Why cloud-native Java developers love Liberty

Explore the open source cloud-native runtime, Open Liberty, and the features and tools it offers that make cloud-native developers' lives easier - from getting started through to coding, testing, deployment and monitoring in production.

20 December 2025

Article

Containerizing Java applications with Cloud Native Buildpacks

Discover how to containerize Java applications using Cloud Native Buildpacks with Docker and Kubernetes, build secure OCI images without Dockerfiles, optimize cloud-native CI/CD pipelines, and deploy scalable Java workloads on hybrid and multi-cloud platforms.

19 December 2025

Article

Demystifying Liberty for WebSphere administrators

Debunk the top myths about IBM Liberty: HA, performance, and migration from WebSphere traditional, with expert video insights from Alasdair Nottingham.

15 December 2025

Article

Optimize Spring Boot applications using minified JREs and Open Liberty

Transform traditional Spring Boot applications into cloud‑ready containers with Open Liberty and OpenJ9. Smaller images, faster start‑up, and superior performance.

10 November 2025

Article

Easily modernize Java applications in your IDE with AMA Dev Tools

Discover how AMA Dev Tools help developers modernize legacy Java apps faster with automation, migration tools, and IDE integration.

14 October 2025

Article

Effective cloud-native Java app development with Liberty in IntelliJ IDEA

Use Liberty Tools for IntelliJ IDEA to enable rapid, easy, and efficient development of cloud-native Java applications with Open Liberty and WebSphere Liberty.

02 October 2025

Article

Effective cloud-native Java app development with Open Liberty in the Eclipse IDE

Use Liberty Tools for Eclipse to enable fast, easy, and efficient development of cloud native Java applications with WebSphere Liberty and Open Liberty

02 October 2025

Article

Effective cloud native development with Liberty in Visual Studio Code

Liberty Tools is a set of intuitive developer tools that provide a simplified yet powerful development experience. They support popular integrated development environments (IDEs) including Visual Studio Code, available as an extension. These tools introduce capabilities that really empower you to develop, test, debug, and manage applications without having to leave your IDE.

20 February 2024

Article

Enable observability for your cloud-native Java applications

Investigate open source tools and technologies for observability, what features and behaviors they enable, and how we can try them out with the help of technologies like MicroProfile, Open Liberty, Jaeger, and Instana.

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Open Source

Open Liberty

A lightweight open framework for building fast and efficient cloud-native Java microservices

Articles

Migrate JAX-RPC to JAX-WS for Liberty: Automated conversion guide

Creating cloud-native applications: 12-factor applications

Beyond the 12 factors: 15-factor cloud-native Java applications

Why cloud-native Java developers love Liberty

Containerizing Java applications with Cloud Native Buildpacks

Demystifying Liberty for WebSphere administrators

Optimize Spring Boot applications using minified JREs and Open Liberty

Easily modernize Java applications in your IDE with AMA Dev Tools

Effective cloud-native Java app development with Liberty in IntelliJ IDEA

Effective cloud-native Java app development with Open Liberty in the Eclipse IDE

Effective cloud native development with Liberty in Visual Studio Code

Enable observability for your cloud-native Java applications