T³ - TAC
· TAC stands for TIBCO Advanced Components and is aimed at providing advanced components to accelerate development of TIBCO applications such as Maven archetypes (project templates), shared libraries, palettes, ...
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 tac-0.0.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.