For years IBM has developed an independent implementation of the Java VirtualMachine which helped foster rapid improvements in the Java ecosystem.Recently, IBM has open sourced language agnostic components such as IBM's JITand GC technologies as part of the Eclipse OMR project. IBM is activelyworking to open source the rest of the J9 Java VM as the Open J9 project. Iwill discuss the different components of the Open J9 VM at a high level andour plans for creating the open source project.