The upstream community project OpenJDK is currently sponsored and led by Oracle and is released under the GNU General Public License (GNU GPL 2 and 2+) with a linking exception. OpenJDK (Open Java Development Kit) is an open source implementation of the Java Platform, Standard Edition (Java SE). Information in this article is subject to change as necessary. OpenJDK Lifecycle Dates and Windows versionsįrequently Asked Questions and References OpenJDK Lifecycle Dates and RHEL versions Red Hat JBoss Enterprise Application Platform.