Lightweight development and production runtime for web applications

Our world – and how we interact with it – is changing with the convergence of mobile, social, big data, and cloud. To help our customers win in this new era, IBM is enabling developers to rapidly create new systems of engagement that connect to existing systems of record. IBM Liberty Core offers an entry price point for projects where rapid development and deployment of lightweight web applications is paramount. Get started now with this 60-day free trial.


Use WebSphere Application Server Liberty Core Patterns with the enhanced pattern engine in IBM PureApplication Service on SoftLayer to create system and application virtualization patterns directly from the WebSphere Application Server Liberty Core Edition. For more information, see the product documentation in IBM Knowledge Center.

Interested in some of our other lightweight offerings?

Explore and download some of our key developer edition offerings at no cost.

Learn about our open, comprehensive platform that allows you to build, run and manage your mobile apps.

Discover how a single messaging backbone can transport messages and data inside and outside your organization.

Want to use WebSphere Application Server Liberty Core inside your operation?

Buy WebSphere Application Server Liberty Core

Lightweight development and production runtime for web applications

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Lightweight development and production runtime for web applications

IBM WebSphere Application Server Liberty Core is a lightweight edition of WebSphere Application Server that delivers the core components of the popular WAS Liberty Profile. Whether you work as an Independent Software Vendor, a small business or in a large enterprise IT shop, Liberty Core offers an entry price point for projects where rapid development and deployment of lightweight web applications is paramount. Applications developed on Liberty Core can start off simple yet have the ability to migrate up to the full WebSphere Application Server family seamlessly if more capabilities are required over time.

IBM WebSphere Application Server Liberty Core helps you:

Whether you work as an Independent Software Vendor, a small business or in a large enterprise IT shop, Liberty Core offers an entry price point for projects where rapid development and deployment of lightweight web applications is paramount.

Need more information, learn from WAS-Liberty Developer community

Lightweight development and production runtime for web applications

IBM WebSphere Application Server Liberty Core is a lightweight edition of WebSphere Application Server that delivers the core components of the popular WAS Liberty Profile. Whether you work as an Independent Software Vendor, a small business or in a large enterprise IT shop, Liberty Core offers an entry price point for projects where rapid development and deployment of lightweight web applications is paramount. Applications developed on Liberty Core can start off simple yet have the ability to migrate up to the full WebSphere Application Server family seamlessly if more capabilities are required over time.

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Considering a purchase?

Interested in some of our other lightweight offerings?

Explore and download some of our key developer edition offerings at no cost.

Learn about our open, comprehensive platform that allows you to build, run and manage your mobile apps.

Discover how a single messaging backbone can transport messages and data inside and outside your organization.

Want to use WebSphere Application Server Liberty Core inside your operation?