The WebPG suite is Open Source and Free. Please see the license below.
License webpg-chrome is Free Software and available under the GNU General Public License (GNU GPL). Copyright (C) 2010-2011 Kyle L. Huff, CURE|THE|ITCH [http://www.curetheitch.com] webpg-chrome is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. webpg-chrome 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA webpg-firefox is Free Software and available under the GNU General Public License (GNU GPL). Copyright (C) 2010-2011 Kyle L. Huff, CURE|THE|ITCH [http://www.curetheitch.com] webpg-firefox is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. webpg-firefox 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA webpg-npapi is Copyright 2010, 2011 Kyle L. Huff, CURE|THE|ITCH [http://www.curetheitch.com] webpg-npapi is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. webpg-npapi 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, see http://www.gnu.org/licenses/gpl-3.0.txt. please visit http://www.curetheitch.com/projects/webpg-npapi for help or support regarding webpg-npapi. Copyright Statements Here is a list with collected copyright notices. For details see the description of each individual package. FireBreath is Copyright 2009, 2010, 2011 Richard Bateman, Firebreath development team FireBreath is licensed under a dual license structure, which means that you can use it either under the New BSD license or under the LGPL v 1.2 license. FireBreath 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 General Public License for more details. GnuPG is Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. GnuPG is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. GnuPG 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, see http://www.gnu.org/licenses/gpl-3.0.txt. See the files AUTHORS and THANKS for credits, further legal information and bug reporting addresses pertaining to GnuPG. GPGME is Copyright (C) 2000 Werner Koch (dd9jn) Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009 g10 Code GmbH GPGME 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. GPGME 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/lgpl.txt. See the files AUTHORS and THANKS for credits, further legal information and bug reporting addresses pertaining to GPGME. LIBGPG-ERROR is Copyright (C) 2003, 2004 g10 Code GmbH libgpg-error 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. libgpg-error 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/lgpl.txt.