Zulu is a JVM that is compliant with the Java SE specification. Zulu in JDK form is an open source distribution of the OpenJDK project. Each Zulu build goes through complete testing using formal TCKs and validation on the AWS platform. Use the JDK to develop, test, or run applications in any Java application stack, like JBoss, Tomcat, Hadoop, and other JVM-powered services, simply by pointing JAVA_HOME at Zulu. Use Zulu to drive your cloud applications to new levels of ease and flexibility. No usage fees. To add support, contact Azul.