Copying information: 

The files included in the mousetweaks source package are licensed under the 
GNU General Public License version 3.0. The manual and its pictures are
licensed under the GNU Free Documentation License version 1.3.

You can find a copy of the text of the licenses in the root 
directory of the mousetweaks source package. The files with the 
licenses are named COPYING.GPL and COPYING.FDL