ArDoCo ID
· The goal of this project is to identify missing or deviating elements (inconsistencies) between informal and formal artifacts like software architecture documentation, software architecture, and code.
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 parent-id-1.0.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.