The Free version does not include the Ninja Fracture, Ninja UV, Ninja Scatter scritpts. But you can purchase those seperately and copy the mel file into the Ninja Dojo Directory. Ninja Dojo will automatically set up buttons for mel scritpts in the Ninja Dojo Directory. You can add most simple mel scripts if the main function is the same name of the mel script. those will get added into the external tools tab.
You can check it out here: