COPYING

The ctx terminal is licensed under GPLv3+ while the renderer
is licensed under LGPLv3+.

ctx.h 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 3 of the License, or (at your option) any later version.

ctx.h 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 ctx; if not, see <https://www.gnu.org/licenses/>.

2002, 2012, 2015, 2019, 2020 Øyvind Kolås <pippin@gimp.org>