Pippo
· A module that provides dependencies to all core submodules needed to
run Pippo application. This way Maven users can depend only on this
module without bothering that Pippo core depends on several modules.
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 pippo-1.13.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.