Latest version of jfree:jfreechart
https://javadoc.io/doc/jfree/jfreechart
Current version 0.9.21
https://javadoc.io/doc/jfree/jfreechart/0.9.21
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/jfree/jfreechart/0.9.21/package-list