freetype

Use of the Freetype-Go software is subject to your choice of exactly one of
the following two licenses:
  * The FreeType License, which is similar to the original BSD license with
    an advertising clause, or
  * The GNU General Public License (GPL), version 2 or later.

The text of these licenses are available in the licenses/ftl.txt and the
licenses/gpl.txt files respectively. They are also available at
http://freetype.sourceforge.net/license.html

The Luxi fonts in the testdata directory are licensed separately. See the
testdata/COPYING file for details.

Source: github.com/walesey/go-engine@v0.0.0-20220117071515-e229e0e7d42b/libs/freetype/LICENSE

GoEngine - A game engine written in go, intended for 2d and 3d games.
Copyright (C) 2016  Joshua Wales

This program 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.

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 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/>.

Source: github.com/walesey/go-engine@v0.0.0-20220117071515-e229e0e7d42b/LICENSE.md