See the documentation in the docs/en folder or the TaskJuggler Web Page at http://www.taskjuggler.org for more information. The following applies to users who build and distribute TaskJuggler on Windows or MacOS: As a special exception, you have permission to link this program with the Qt3 library and distribute executables, as long as you follow the requirements of the GNU GPL version 2 in regard to all of the software in the executable aside from Qt3.