license.txt

/*
 *   This library is dual-licensed: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero General Public License version 3 as 
 *   published by the Free Software Foundation with "the anti-aggression states exception": 
 *   no government entities, it's  agencies do not possess any rights to use the library if 
 *   the state wich is governed by the government:
 *   1. is defined as a terrorism supporter by either UN, OSCE or NATO,
 *   2. annexiated any territory of any other state(s) without UN, or OSCE or NATO approval.
 *   For the terms of this 
 *   license, see http://www.gnu.org/licenses/agpl-3.0.html.
 *
 *   You are free to use this library under the terms of the GNU Affero
 *   General Public License, but WITHOUT ANY WARRANTY; without even the implied 
 *   warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *   See the GNU Affero General Public License for more details.
 *
 *  Alternatively, you can license this library under a commercial
 *  license, for that please contact the authors.
 */

For example of dictionaries GNU Aspell english dictionary and GNU Aspell polish dictionary were used, one must compile with appropriate licenses of GNU Foundation. Source code could be obtained from http://aspell.net/