MontaukOS - Third-Party Notices =============================== The MontaukOS system is source-available software governed by the MontaukOS Software License (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 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 does NOT apply to doom.elf or to the doomgeneric/DOOM source. The full GPLv2 license text is included on the MontaukOS ISO at 0:/os/licenses/GPL-2.0.txt. 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: This notice and the GPLv2 license cover only the DOOM engine code, NOT any DOOM game data. MontaukOS does NOT distribute any DOOM WAD files; they are proprietary content of id Software, Inc. To play, users must supply their own legally obtained WAD, or a freely licensed alternative such as the Freedoom project's freedoom1.wad / freedoom2.wad (BSD-style license). ================================================================================ 5. Flat Remix (icon theme) ================================================================================ The MontaukOS desktop and applications use icons from the Flat Remix icon theme by Daniel Ruiz de Alegria. MontaukOS ships a curated subset of the theme (renamed and reorganized for MontaukOS) in SVG form on the ISO (0:/icons/ and per-application icon files). Copyright (C) Daniel Ruiz de Alegria Upstream: https://github.com/daniruiz/flat-remix License: GNU General Public License, version 3 (GPLv3) Flat Remix 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 3 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 Flat Remix icons are licensed under GPLv3, separately from MontaukOS itself. The MontaukOS Software License does NOT apply to the icon files, which remain under GPLv3. The full GPLv3 license text is included on the MontaukOS ISO at 0:/os/licenses/GPL-3.0.txt. MODIFICATIONS: The icons shipped with MontaukOS are a modified subset of Flat Remix (files selected, renamed, and reorganized for MontaukOS; first modified 2025). These modified versions are likewise available under GPLv3. CORRESPONDING SOURCE: The icons are distributed in SVG form, which is their source (preferred form for modification); the files on the ISO are the corresponding source. The complete unmodified theme is available from the upstream repository above, and the MontaukOS-modified set is available on request: daniel@nexlink.cloud. ================================================================================ 6. JetBrains Mono (font) ================================================================================ Shipped as TrueType font files on the ISO (0:/fonts/JetBrainsMono-*.ttf). Copyright 2020 The JetBrains Mono Project Authors (https://github.com/JetBrains/JetBrainsMono) License: SIL Open Font License, Version 1.1 (OFL-1.1), with Reserved Font Name "JetBrains Mono". The full license text is included on the MontaukOS ISO at 0:/os/licenses/OFL-JetBrainsMono.txt. ================================================================================ 7. Noto Serif (font) ================================================================================ Shipped as TrueType font files on the ISO (0:/fonts/NotoSerif-*.ttf). Copyright 2022 The Noto Project Authors (https://github.com/notofonts/latin-greek-cyrillic) License: SIL Open Font License, Version 1.1 (OFL-1.1), with Reserved Font Name "Noto". The full license text is included on the MontaukOS ISO at 0:/os/licenses/OFL-NotoSerif.txt. ================================================================================ 8. Roboto (font) ================================================================================ Shipped as TrueType font files on the ISO (0:/fonts/Roboto-*.ttf). Copyright 2011 The Roboto Project Authors (https://github.com/googlefonts/roboto-classic) License: SIL Open Font License, Version 1.1 (OFL-1.1), with Reserved Font Name "Roboto". The full license text is included on the MontaukOS ISO at 0:/os/licenses/OFL-Roboto.txt. ================================================================================ 9. C059 (font, URW Base 35 collection) ================================================================================ Shipped as TrueType font files on the ISO (0:/fonts/C059-*.ttf). C059 is a Century Schoolbook derivative from the URW Base 35 font collection by (URW)++ Design and Development GmbH, distributed by Artifex Software. Copyright (C) (URW)++ Design and Development GmbH Upstream: https://github.com/ArtifexSoftware/urw-base35-fonts License: GNU Affero General Public License, version 3 (AGPLv3), with a special exception permitting embedding the fonts in PostScript or PDF documents regardless of the document's own license. The full license text, including the exception, is included on the MontaukOS ISO at 0:/os/licenses/AGPL-3.0-C059.txt. The C059 fonts are licensed under AGPLv3, separately from MontaukOS itself. The corresponding source for the fonts as shipped is the font files themselves, available unmodified from the upstream repository above. ================================================================================ 10. Tiny C Compiler (TCC) ================================================================================ Shipped as the bundled C compiler (tcc.elf) with its runtime libraries and headers on the ISO (0:/lib/tcc/). MontaukOS ships a modified version of TCC 0.9.28rc, ported to target MontaukOS (added platform startup/compatibility code and a MontaukOS sysroot). Copyright (c) 2001-2004 Fabrice Bellard, and TCC contributors Upstream: https://repo.or.cz/tinycc.git License: GNU Lesser General Public License, version 2.1 (LGPL-2.1) TCC 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 2.1 of the License, or (at your option) any later version. IMPORTANT: TCC is licensed under LGPL-2.1, separately from MontaukOS itself. The MontaukOS Software License does NOT apply to TCC. The full LGPL-2.1 license text is included on the MontaukOS ISO at 0:/os/licenses/LGPL-2.1.txt. MODIFICATIONS AND SOURCE: The complete source code of the modified TCC as shipped, marked as modified, is published in the MontaukOS source tree (programs/src/tcc/) and is also available on request: daniel@nexlink.cloud. ================================================================================ 11. Lua ================================================================================ Shipped as the bundled Lua interpreter (lua.elf), Lua 5.4.8, with its static library and headers on the ISO (0:/lib/lua/). License: MIT License Copyright (C) 1994-2025 Lua.org, PUC-Rio. 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. ================================================================================ 12. Mozilla CA certificate bundle ================================================================================ Shipped as the system trust store on the ISO (0:/os/certs/ca-certificates.crt), used by the MontaukOS TLS stack to verify server certificates. The bundle contains the root CA certificates of the Mozilla CA Certificate Program (Mozilla's root store, maintained as certdata.txt in Mozilla NSS), in the concatenated PEM form produced by the Debian/Ubuntu ca-certificates package. The certificates themselves are public key material published by their respective certification authorities for exactly this purpose; the Mozilla root store from which the bundle derives is distributed under the Mozilla Public License, version 2.0 (MPL-2.0). Upstream: https://wiki.mozilla.org/CA (Mozilla CA Certificate Program) Packaging: the Debian/Ubuntu "ca-certificates" package License: Mozilla Public License, version 2.0 (MPL-2.0) The full MPL-2.0 license text is included on the MontaukOS ISO at 0:/os/licenses/MPL-2.0.txt. The source form of the root store (certdata.txt) is available from Mozilla NSS: https://hg-edge.mozilla.org/projects/nss/file/tip/lib/ckfw/builtins/certdata.txt ================================================================================ 13. Intel Bluetooth firmware ================================================================================ Shipped as binary firmware blobs on the ISO (0:/os/firmware/intel/, ibt-1040-0041.sfi and ibt-1040-0041.ddc), loaded at runtime into Intel Bluetooth controllers by the MontaukOS Bluetooth driver. The files are taken unmodified from the linux-firmware project. Copyright (c) 2014, Intel Corporation. All rights reserved. Upstream: https://gitlab.com/kernel-firmware/linux-firmware (intel/ibt-*, LICENSES/LICENCE.ibt_firmware) License: Intel redistributable firmware license Redistribution in binary form, without modification, is permitted subject to the conditions of Intel's license, including reproduction of Intel's copyright notice and disclaimer and a prohibition on reverse engineering, decompilation, or disassembly. The full license text, including Intel's copyright notice, disclaimer, and limited patent license, is included on the MontaukOS ISO at 0:/os/licenses/Intel-ibt-firmware.txt. ================================================================================ 14. Default wallpaper photograph ================================================================================ Shipped as the default login-screen wallpaper on the ISO (0:/os/wallpapers/default.jpg): a photograph of blossoms against misty hills. Photo by Nikhil Kumar on Unsplash Source: https://unsplash.com/photos/JdPHvI7VF0o License: Unsplash License (https://unsplash.com/license) Unsplash grants you an irrevocable, nonexclusive, worldwide copyright license to download, copy, modify, distribute, perform, and use images from Unsplash for free, including for commercial purposes, without permission from or attributing the photographer or Unsplash. This license does not include the right to compile images from Unsplash to replicate a similar or competing service. ================================================================================ For licensing inquiries regarding MontaukOS itself, contact: daniel@nexlink.cloud ================================================================================