maven-tparty
· Contains third party jars that have either not been released to maven central or the release has pom related errors that have been corrected.
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 maven-tparty-1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.