Free and 100% open source OpenJDK Builds
Zulu® is a series of enterprise-quality, certified OpenJDK builds that can be deployed across various operating systems, Docker containers, hypervisors and Cloud platforms. Companies, Java developers, systems administrators and end users can now enjoy the full benefits of freely available 100% open source Java with the comfort of world-class OpenJDK support provided by the only company 100% dedicated to Java and the Java Virtual Machine (JVM). Read the 451 Group analyst report, “Azul’s Zulu JVM could prove an awkward challenge to Oracle’s Java ambitions“.
No coding changes needed
Zulu® is verified compliant with the Java SE specifications using the OpenJDK Community Technology Compatibility Kit (TCK). Zulu can work side-by-side with other JDKs in the same system, allowing you to select the specific JDK you want to use on a per-application basis. Now it’s your choice. See the full list of supported platforms here or pick up a copy of the Zulu Enterprise data sheet here. Download the Zulu Commercial Compatibility Kit if you have applications that take advantage of specific additional features that Oracle bundles along with the Hotspot JVM in the Oracle JDK.
Deploy with Confidence
Zulu® leverages all the latest advances in OpenJDK and support provided by its vibrant open source community. And there’s no “shovelware” with Zulu. You won’t find yourself with a new toolbar or a modified search engine when you download Zulu — Just the tested builds of OpenJDK.
Zulu® Enterprise World-Class OpenJDK Support
Need Enterprise-grade Java/OpenJDK support? Wondering how you will get Java security patches and stability updates after public updates end for JDK 8?
Azul’s subscription-based support available with Zulu Enterprise provides an added layer of protection for your Java-based business. With Zulu Enterprise, each major Java SE long-term support version enjoys a 10 year support lifetime, and our Java and JVM experts can help you resolve issues quickly. Our experienced customer support engineers are completely focused on Java. To find out more about Zulu Enterprise Support or schedule time with an Azul representative, please contact us.
Stop Worrying about Java SE Compliance or Field-of-Use Issues
As detailed in this blog post, Azul’s Zulu products are 100% open source, certified builds of OpenJDK that are based on the same source code that Oracle uses for its proprietary Java SE offering. Zulu is compliant with Java SE specifications, and has identical performance to the Oracle offering, making it an easy “drop-in” replacement for Oracle HotSpot.
Fully Supported Java for Docker
Zulu® Dockerfiles are simple to get and use and are available for a range of version options. On the Docker Hub, choose from “the latest” (the default), or specific version numbers for Java 9, 8, 7 or 6. Zulu Dockerfiles make it easy to include fully supported open source Java in any stack comprised of other Dockerfiles. Plus, like all Zulu versions, you can take advantage of Azul’s production support options. Read the 451 Research report on Zulu, Docker, and Java here
Zulu® Commercial Compatibility Kit (CCK)
The Commercial Compatibility Kit (CCK) for Zulu® contains additional functionality that is not included in in the OpenJDK source, but which will help ensure compatibility in applications that take advantage of specific additional features that Oracle bundles into HotSpot. The CCK is free and can be added easily to Zulu as part of your normal upgrade or update process. Simply choose and download the CCK version that matches your operating system and Zulu installer type (for example zip or rpm). The CCK contains the Lucida font family from Monotype™.
Zulu® Cryptography Extension Kit (CEK)