0 A.D. Licensing Details ========================== 0 A.D. is released as open source: you can freely use, copy, modify and distribute the game's source code and data files, as long as you include attribution to Wildfire Games and let anyone freely modify and distribute any of your own modifications to the game's files. The distribution includes several different types of files, and a number of third-party components. The details are described here, based on the directory structure. For any file, see the longest path name below which is a prefix of the file's path. Some files don't yet have licensing details specified - if you care about any in particular, let us know and we can try to clarify it. /binaries/data GPL version 2 (or later) - see license_gpl-2.0.txt /binaries/data/mods/*/art /binaries/data/mods/*/audio Creative Commons Attribution-Share Alike 3.0 - see http://creativecommons.org/licenses/by-sa/3.0/ and also see LICENSE.txt within those directories /binaries/data/mods/*/maps/ see LICENSE.txt within those directories /binaries/system Various (unspecified) /binaries/system/dbghelp.dll Proprietary - see license_dbghelp.txt for restrictions you must agree to before distributing this particular file /build Various (unspecified) /build/premake/premake4 /build/premake/premake5 BSD /build/premake/*.lua MIT - see license_mit.txt /docs Various (unspecified) /libraries Various - see LICENSE.txt within that directory /source GPL version 2 (or later) - see license_gpl-2.0.txt /source/lib MIT - see license_mit.txt /source/scriptinterface/third_party MPL 2.0 /source/third_party/cppformat BSD /source/third_party/encryption GPL version 2 (or later) ISC (pkcs5_pbkdf2.cpp) MIT (pkcs5_pbkdf2.h) - see license_mit.txt /source/third-party/jsonspirit MIT - see license_mit.txt /source/third_party/mikktspace zlib /source/third_party/mongoose MIT - see license_mit.txt /source/third_party/tinygettext zlib /source/tools Various - see LICENSE.txt within that directory /source/tools/atlas GPL version 2 (or later) - see license_gpl-2.0.txt