Sure: the GPL does not grant you the freedom to alter the license under which the software was given to you, nor to mix the software with other software under a

Sure: the GPL does not grant you the freedom to alter the license under which the software was given to you, nor to mix the software with other software under a conflicting license. To do either of those things would work against the freedoms that the GPL explicitly promotes. Other licenses, such as the X11 license, let you embed the software into proprietary projects. So in that sense you are granted more freedom. But doing that denies other freedoms that the GPL explicitly grants.