Corpus2 includes libpwrutils, libcorpus2, libcorpus2_whole and optionally poliqarp library which makes Corpus2 have dual licensing - GNU LGPL or GNU GPL. Corpus2 WITHOUT poliqarp library is released under GNU LGPL: Copyright (C) 2010 Tomasz Ĺšniatowski, Adam Radziszewski This program 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 3 of the License, or (at your option) any later version. This program 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 program; if not, see <http://www.gnu.org/licenses>. Additional permission under GNU GPL version 3 section 7 If you modify this Program, or any covered work, by linking or combining it with Morfeusz (or a modified version of that library), containing parts covered by the terms of the Morfeusz license, the licensors of this Program grant you additional permission to convey the resulting work.