packtag-optional - meta pom for optional dependencies
· A JSP Taglib for delivering minified, combined and gzip-compressed resources (JavaScript and CSS).
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 packtag-optional-3.13.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.