Yes, developers have free access to the source code under the TERMS of the Common Development and Distribution LICENSE (CDDL) v1.0 and are free to change it as they see fit. To be able to claim Java Compatibility, developers of COMMERCIAL distributions will need to sign the Java Developer License (JDL) and VERIFY the code passes the compatibility test suite (CTS) before they can redistribute it. Anyone can sign a contribution agreement and work on the code to contribute changes, bug fixes, and features.

Yes, developers have free access to the source code under the terms of the Common Development and Distribution License (CDDL) v1.0 and are free to change it as they see fit. To be able to claim Java Compatibility, developers of commercial distributions will need to sign the Java Developer License (JDL) and verify the code passes the compatibility test suite (CTS) before they can redistribute it. Anyone can sign a contribution agreement and work on the code to contribute changes, bug fixes, and features.