Short version for non-lawyers: The GTK+Android Project is dual-licensed under Apache 2.0 and MIT terms. Longer version: The GTK+Android Project is copyright 2014, The GTK+Android Project Developers (given in the file AUTHORS.txt). Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option. All files in the project carrying such notice may not be copied, modified, or distributed except according to those terms. The GTK+Android Project is based on packages written by third parties. The following third party packages are included, and carry their own copyright notices and license terms: * GTK+, GLib, Pango, GDK-Pixbuf, ATK and their sub-packages All of them are licensed under LGPL 2.0 terms. Please see http://www.gnome.org/ for more details. * Cairo and Pixman libraries belong to http://cairographics.org/ and licensed under LGPL 2.1 or MPL 1.1 licenses both. * LibFFI belongs to Red Hat, Inc and others. It is placed to Public Domain. Please see the sources for the details. * FontConfig belongs to many contributors It is placed to Public Domain. Please see the sources for the details. * FreeType belongs to many contributors and licensed under BSD-like or GPL 2.0 licenses at your choice * harfbuzz belongs to many contributors It is licensed under "Old MIT" license