ZEsarUX includes external modules. Licenses are:

-Atomlite emulation. Extracted from Sim Coupe emulator
Copyright Simon Owen. Distributed under GNU GENERAL PUBLIC LICENSE v2, you may read it on the LICENSE_simcoupe file
http://www.simcoupe.org

-DOS font, used on some GUI styles.
Copyright Neil Roy. Distributed under CC BY-SA 3.0 license, you may read it on the LICENSE_DOS_font file
https://opengameart.org/content/dos-8x8-font

-FatFS
Copyright (C) 20xx, ChaN, all right reserved
http://elm-chan.org/fsw/ff/00index_e.html

-Fuse disassembler
Copyright Philip Kendall and other authors. Distributed under GNU GENERAL PUBLIC LICENSE v2, you may read it on the LICENSE_fuse file
http://fuse-emulator.sourceforge.net

-grackle - Dumper and reader for Graphic Adventure Creator games
Copyright 2014 David Lodge. Distributed under BSD 3-Clause "New" or "Revised" License, you may read it on the LICENSE_grackle file
https://github.com/tautology0/grackle

-Hilow
Copyright 1985 Juan J. Arias, Carlos Galucci, Roberto Eimer, Ramiro Arias, Alfredo Mussio

-mdvtool
Copyright 2005 Till Harbaum. Distributed under GNU GENERAL PUBLIC LICENSE v3, you may read it on the LICENSE_mdvtool file
https://github.com/mist-devel/mist-binaries/tree/master/cores/ql/tools/mdvtool

-Musashi 3.4 - A portable Motorola M680x0 processor emulation engine.
Copyright 1998-2002 Karl Stenerud. All rights reserved. Distributed under MIT License, you may read it on the LICENSE_MOTOROLA_CORE file
https://github.com/kstenerud/Musashi

-National Semiconductor SC/MP CPU Emulator
Copyright 2017 Miodrag Milanovic. Distributed under BSD-3 License, you may read it on the LICENSE_SCMP_CORE file
https://github.com/mamedev/mame/tree/master/src/mame/drivers/mk14.cpp

-PlayTZX
Copyright Tero Turtiainen, Tomaz Kac, Philip Kendall. Distributed under freeware, you may read it on the LICENSE_playtzx file
https://github.com/kounch/playtzx

-Qemu Mac OS video driver
Copyright Fabrice Bellard and the QEMU team. Distributed under the GNU General Public License version 2.
https://github.com/aliguori/qemu

-scl2trd
Copyright 2019 Alexander Sharikhin. Distributed under MIT License, you may read it on the LICENSE_scl2trd file
https://github.com/nihirash/esxdos-scl2trd

-spg loader. Extracted from UnrealSpeccy emulator
Copyright various authors. Distributed under freeware, you may read it on the LICENSE_unrealspeccy file
https://github.com/tslabs/zx-evo/tree/master/pentevo/unreal

-Tom Thumb Charset
Copyright Robey Pointer. Distributed under CC-BY 3.0 license, you may read it on the LICENSE_tom_thumb_charset file
https://robey.lag.net/2010/01/23/tiny-monospace-font.html

-undaad
Copyright Morgul and Uto. Distributed under GNU GENERAL PUBLIC LICENSE v3, you may read it on the LICENSE_undaad file
https://github.com/Utodev/undaad

-ungac
Copyright 2006, 2020 by John Elliott. Distributed under the GNU General Public License version 2, you may read it on the LICENSE_ungac file
https://www.seasip.info/Unix/UnQuill/

-unpaws/unquill
Copyright various authors. Distributed under MIT License, you may read it on the LICENSE_unpaws file
https://github.com/Utodev/unPAWs

-zip
Copyright Kuba Podgorski. Distributed under The Unlicense License, you may read it on the LICENSE_zip file
https://github.com/kuba--/zip 

