feat: add licensing files

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2026-05-30 10:42:56 +02:00
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MontaukOS - Third-Party Notices
===============================
MontaukOS is proprietary software governed by the MontaukOS Software License
Agreement (see license.txt). It incorporates or is distributed together with the
third-party components listed below, each of which remains the property of its
respective owner and is provided under its own license. The notices and license
texts in this file apply only to the corresponding third-party component and not
to MontaukOS as a whole.
This file is provided to satisfy the attribution and redistribution conditions of
those licenses. Where a component permits a choice of license, MontaukOS relies on
the option reproduced here.
================================================================================
1. Limine (bootloader)
================================================================================
Shipped as binary firmware payloads in the bootable image (e.g. BOOTX64.EFI,
BOOTAA64.EFI, BOOTIA32.EFI, BOOTRISCV64.EFI, BOOTLOONGARCH64.EFI,
limine-bios-cd.bin, limine-bios.sys, limine-uefi-cd.bin, and related files).
License: BSD 2-Clause "Simplified" License
Copyright (C) 2019-2025 Mintsuki and contributors.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Note: The build system also derives in part from the Limine C++ template, which
is released by Mintsuki and contributors under the Zero-Clause BSD (0BSD) license.
0BSD imposes no attribution or redistribution conditions; this acknowledgement is
provided as a courtesy only.
================================================================================
2. BearSSL (TLS / cryptography)
================================================================================
Linked into MontaukOS userspace networking components.
License: MIT License
Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
================================================================================
3. stb_image (JPEG image decoding)
================================================================================
Used as the single-header image decoder behind MontaukOS image/JPEG support
(programs/include/gui/stb_image.h). This is the "libjpeg" component referenced in
the build; it is in fact stb_image by Sean Barrett.
stb_image is dual-licensed (MIT OR public domain). MontaukOS relies on the MIT
option, reproduced here:
License: MIT License
Copyright (c) 2017 Sean Barrett
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
================================================================================
4. DOOM engine (via doomgeneric)
================================================================================
Shipped as the bundled "doom" application (doom.elf), built from the doomgeneric
port of id Software's DOOM source release.
License: GNU General Public License, version 2 (GPLv2)
DOOM source code is Copyright (C) 1993-1996 id Software, Inc., is Copyright (C)
2005-2014 Simon Howard (Chocolate Doom lineage), and is licensed under the GNU
General Public License version 2. doomgeneric is Copyright (C) its respective
authors and contributors, likewise under GPLv2.
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 2 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.
IMPORTANT: The DOOM application (doom.elf) is licensed under GPLv2, separately
from MontaukOS itself. The MontaukOS Software License Agreement does NOT apply
to doom.elf or to the doomgeneric/DOOM source. The full GPLv2 license text is
distributed with the corresponding source.
WRITTEN OFFER FOR SOURCE: The complete corresponding source code for the DOOM
application, under the terms of GPLv2, is available on request and is provided
alongside MontaukOS distributions. Contact: daniel@nexlink.cloud.
DOOM GAME DATA (doom1.wad): This notice and the GPLv2 license cover only the
DOOM engine code, NOT the DOOM game data. MontaukOS bundles "doom1.wad", the
DOOM shareware episode (Knee-Deep in the Dead), which is Copyright (C) id
Software, Inc. The shareware WAD is NOT covered by the GPL and is NOT public
domain. id Software's shareware terms permit free, non-commercial redistribution
of the unmodified shareware WAD, but do not grant rights for commercial
distribution or modification. If MontaukOS is ever distributed commercially, the
shareware WAD should be removed and replaced with a freely licensed alternative
(e.g. the Freedoom project's freedoom1.wad / freedoom2.wad, released under a
BSD-style license), or distributed only with id Software's permission. The
registered/commercial DOOM WADs (e.g. doom.wad, doom2.wad) are separate
copyrighted assets and are NOT distributed with MontaukOS.
================================================================================
For licensing inquiries regarding MontaukOS itself, contact: daniel@nexlink.cloud
================================================================================