LICENSE.txt

Cataclysm is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.

The Square font (data/font/square.ttf) is copyright Wouter van Oortmerssen, licensed under Creative Commons Attribution 3.0 Unported License. See http://strlen.com/square for more information.

GNU Unifont (data/font/unitfont.ttf) is licensed under GNU General Public License v2+ with the GNU font embedding exception. Visit http://unifoundry.com/LICENSE.txt for details.

CATCH unit-test framework (tests/catch/catch.hpp) is licensed under the Boost Software License. Visit https://github.com/philsquared/Catch/blob/master/LICENSE.txt to read the license.

PLF List and PLF Colony (src/list.h, src/colony.h) are licensed under the zLib license (https://www.zlib.net/zlib_license.html).

getpost (tools/json_tools/format/getpost.h) is licensed under the MIT license, see file for text of license.