Enceladus
· Enceladus is a Dynamic Conformance Engine which allows data from different formats to be standardized to parquet and conformed to group-accepted common reference.
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-3.0.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.