Apache NetBeans Integrated Development Environment (IDE) Apache NetBeans (incubating) is the Apache NetBeans incubator release of the NetBeans Java SE IDE, i.e., the NetBeans Platform that underpins NetBeans IDE, together with all the features and tools applicable to general Java development – including Java Swing, JavaFX, and the support created specifically for Java, i.e., JShell, JLink, and Jigsaw. NOTE: **** UPGRADING: If you come across an error opening your projects, check the files in the folder /opt/netbeans/etc. If you haven't done modifications in those files, overwrite them with new. **** Apache NetBeans 9.0 only support Java SE and not support Java EE / Jakarta EE. The process donating Java EE / Jakarta EE module for Apache NetBeans is still undergo.