Go further with Zulu® and
Zulu® Enterprise

Zulu® is an enterprise-grade, certified build of OpenJDK that can be deployed across various operating systems, containers, hypervisors and Cloud platforms.

Pure Java

Fully certified Java SE standard compliant.

No Strings Attached

Zulu® is 100% open source and free to use and redistribute.

Use it Anywhere

Client, Server, Embedded, Cloud, or Virtual.

Professional Support

Get enterprise-quality support with Zulu Enterprise.

A Java platform that makes sense

Zulu® is a enterprise quality, certified build of OpenJDK that can be deployed on multiple platforms. Zulu® is free to download, use and redistribute. Support is available via Azul's Zulu® Enterprise offering.

Zulu® Enterprise

Deploy with Confidence

Zulu® leverages all the latest advances in OpenJDK and support provided by its vibrant open source community. And you won't find yourself with a new toolbar or a modified search engine when you download Zulu® - Just the JDK.

Get Zulu® Enterprise Data Sheet

No coding changes required

Zulu® is built from the OpenJDK source, performs like Oracle HotSpot and is compliant with the Java SE standards for Java 8, 7, or 6. Azul even offers free Zulu® extensions to ensure runtime compatibility with HotSpot.

Java Standard

Key Features & Benefits


Java 6, 7, and 8 (See download page for details)

Supported Platforms

Windows, Linux, Mac OS X, Cloud on Azure and AWS (See download page for details)


Zulu® is verified compliant with the Java SE specifications using the OpenJDK Community Technology Compatibility Kit (TCK)

Commercial Compatibility Kit

Additional functionality beyond OpenJDK to help ensure compatibility in applications

Java for Docker

Zulu® Dockerfiles make it easy to include fully supported open source Java in any stack comprised of other Dockerfiles

Zulu® Enterprise

Enterprise-grade support with 10 year support lifetime, and our Java experts can help you resolve issues quickly

Additional Zulu® Resources

Supported Platforms

HotSpot Compatibility

Zulu® Infographic

Zulu Commercial Compatibility Kit

Zulu Cryptography Extension Kit

“The certification of OpenJDK builds by Azul provides an extra level of assurance to organizations looking to leverage the open source runtime.”

Stephen O'Grady
Principal Analyst

Get started with Zulu®

Zulu® is free and 100% open source. Versions are available for a variety of Linux operating systems (including Docker containers), Windows, Mac and the Cloud. Download and try Zulu®, then choose your free or subscription-based support option.

© Azul Systems, Inc. 2015 All rights reserved.