Copyright 2003, 2008 B. Jackowski and J. M. Nowacki (on behalf of TeX users groups). This work is released under the GUST Font License -- see http://tug.org/fonts/licenses/GUST-FONT-LICENSE.txt for details.
For all Mac-User: Mac OS X also supports Windows TrueType-Fonts (TTF). These also can be used without problems on Mac OS X. You find instructions for installing the fonts on Windows and Mac OS X here.