Nebula NatTable
· A powerful and flexible SWT table/grid widget that is built to handle very large data sets, real-time updates, dynamic styling, and more.
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-2.2.0.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.