Open Liberty

Spec sheet

Purpose

Open Liberty is a lightweight open framework for building cloud-native Java microservices.Read 29 Sep 2026 · openliberty.io

Audience

The product is presented for Java developers building cloud-native applications and microservices.Read 29 Sep 2026 · openliberty.io

Deployment

Open Liberty can be containerized and deployed to Kubernetes clouds.Read 29 Sep 2026 · openliberty.io

Integrations

The site lists Jenkins, Spring, Docker, Grafana, Gradle, Logstash, Prometheus, Maven, Kubernetes, Kibana, and Elasticsearch integrations.Read 29 Sep 2026 · openliberty.io

Support

Community support is available, and IBM offers paid support that includes dedicated help, 24x7 help for business-critical issues, fixes for previous releases, and case support online, by chat, or by phone.Read 29 Sep 2026 · openliberty.io

Authentication

The MicroProfile JWT feature can authenticate users with JSON Web Tokens and supports role-based access controls.Read 29 Sep 2026 · openliberty.io

Developer mode

Dev mode provides automated testing, debugger support, and handles compiling, packaging, and deploying during development.Read 29 Sep 2026 · openliberty.io

Developer tools

Liberty Tools supports Eclipse IDE, Visual Studio Code, and IntelliJ IDEA, with code completion, hover descriptions, and configuration diagnostics.Read 29 Sep 2026 · openliberty.io

Download channels

The download page offers stable, beta, and nightly builds; it notes that nightly builds may be unstable and beta content can change.Read 29 Sep 2026 · openliberty.io

Java standards

It supports MicroProfile and Jakarta EE features that can be added or removed as needed.Read 29 Sep 2026 · openliberty.io

Observability

The site describes tracing services, gathering metrics, configuring alerts, and consolidating and analyzing logs.Read 29 Sep 2026 · openliberty.io

Release verification

The download page says release packages can be checked for authenticity and integrity using provided signature and certificate files.Read 29 Sep 2026 · openliberty.io

Startup and memory

The runtime starts quickly, has a low memory footprint, and supports live reload.Read 29 Sep 2026 · openliberty.io

Upgrade compatibility

Its zero-migration design aims to let existing applications and configurations work across runtime updates, with documented exceptions including security fixes and third-party API requirements.Read 29 Sep 2026 · openliberty.io

Plans and prices

Every Open Liberty plan and price →

Where Specifiction places it

• Application Servers#10 of 287.7