Die GNU Lesser General Public License (ehemals GNU Library General Public License) oder LGPL ist eine freie Software-Lizenz von der Free Software Foundation (FSF). Sie wurde als ein Kompromiss zwischen der stark copyleft-geprägten GNU General Public License (GPL) und liberaleren Lizenzen wie den BSD-Lizenzen und der MIT-Lizenz entwickelt.

Copyright (C) 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.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA