Truffle is not part of OpenJDK. It's a separate project and licensed under the Universal Permissive License: https://github.com/oracle/graal/tree/master/truffle

Truffle is not part of OpenJDK. It's a separate project and licensed under the Universal Permissive License: https://github.com/oracle/graal/tree/master/truffle https://github.com/oracle/graal/tree/master/truffle. The UPL is an OSI-approved open source license. It shouldn't be a problem to use in any setting, but you should check with your legal team to see what licenses are approved.