censes for most software are designed to take away your freedom to  share and change it. By contrast, the GNU General Public License is  intended to guarantee your freedom to share and change free  software--to make sure the software is free for all its users. This  General Public License applies to most of the Free Software  Foundation's software and to any other program whose authors commit  to using it. (Some other Free Software Foundation software is covered  by the GNU Library General Public License in