Kuali HR
· Kuali People Management for the Enterprise (KPME) is an open-source, comprehensive HR/Payroll System built by higher education for higher education.
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 kpme-2.1.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.