The GNU Lesser General Public License is a software license designed as a compromise between the GNU General Public License and the simple permissive licenses of X Window System and BSD.
It places a copyleft restriction on individual source code files but does not copyleft the program as a whole.
The license is useful for software libraries; it was once called the GNU Library General Public License.
... 11,767 people, 3,808 households, and 2,974 families residing in the town. The population density is 2,391.2/km² (6,199.1/mi²). There are 3,883 housing units ...