Apache Netbeans Maven Utilties - NetBeans Module Suite Archetype
· Root project archetype for creating multi module projects developing NetBeans IDE modules. Approximately similar in functionality to module suites in NetBeans Ant projects.
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 nbm-suite-root-1.12.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.