JFreeChart and JCommon are licensed under the LGPL version 2.1 which can be found in the file licenses/lgpl.txt distributed with Geneious.  The source can be downloaded from here:

https://desktop-links.geneious.com/assets/opensource/jfreechart-1.0.13.zip
https://desktop-links.geneious.com/assets/opensource/jcommon-1.0.16.tar.gz