Read more details on the JSlovo license in http://jwork.org/jslovo/
Need more dictionaries? Simply copy the files iwith the extension ".jdic" from from http://jwork.org/jslovo/ to the directory "dbases" inside your installation. Then restart the program.
To access information about dictionaries (licenses and number of words), select all dictionaries and type "###" in the search field. Then press "Search". You will see a list of available dictionaries with detailed information.