de.code-sourcery.versiontracker:versiontracker-parent
· Rule for maven-dependency-plugin that enforces dependencies are no more than X weeks/months/years older than their latest release.
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 versiontracker-parent-1.0.17.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.