java-presentation-manager
· Java Presentation Manager is a CRUD system with extended tools
to fast build an administrative and monitoring web site based in xml
definition files, with data source and interface independece so you can
define your model in xml terms and choose the data sources and
visualization that you like most.
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 java-presentation-manager-1.5.3.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.