org.bitbucket.goalhub:krTools
· A set of tools that support an interface to various knowledge representation (KR) technologies. The interface provides support for: (i) processing (e.g., parsing) a KR language, (ii) storage in a related KR database, (iii) actions for querying, and updating a KR database.
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 krTools-1.4.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.