The source code for the ding3d-core-utils classes is licensed under the open source Berkeley Software Distribution (BSD) License.
The source code for the ding3d project is licensed under the open source GNU General Public License (GPL), version 2, with the CLASSPATH exception. This is the same open-source license that OpenJDK is now using.
Each of the above projects may contains third-party source code that is provided under separate licensing terms. These terms are are found in the THIRDPARTY-LICENSE-*.txt files in the top level-directory of each project. See README-FIRST.txt in each project for more information.