This release of Polyglot and the Polyglot IDE is governed by the GNU Lesser General Public License as described by the following copyright notices.
Polyglot IDE 0.1.1 Copyright (C) 2014-2016 Polyglot project group, Cornell University. Polyglot IDE 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. Polyglot IDE 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. Polyglot 2.7.1 Copyright (C) 2000-2016 Polyglot project group, Cornell University. Copyright (C) 2006-2012 IBM Corporation Polyglot 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. Polyglot 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.
A copy of the GNU Lesser General Public License version 2.1 can be found here.