org.corpus-tools.salt
· A powerful, tagset-independent and theory-neutral meta model and API for storing, manipulating, and representing nearly all types of linguistic data .
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 salt-3.4.3.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.