NetBeans Platform Application Archetype
· Archetype for sample application based on NetBeans Platform. Creates parent POM with branding and empty NBM project.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window netbeans-platform-app-archetype-1.20.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.