There are two licenses, one for the C library software, and one for the GeoLite Country database. SOFTWARE LICENSE Copyright (C) 2015 MaxMind, Inc. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. For a copy of the LGPL License, see the COPYING file. DATA LICENSE (GeoLite Country and City Databases) The GeoLite databases are distributed under the Creative Commons Attribution-ShareAlike 3.0 Unported License. The attribution requirement may be met by including the following in all advertising and documentation mentioning features of or use of this database: This product includes GeoLite data created by MaxMind, available from http://www.maxmind.com.