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Third-Party Notices

SnowDesktop includes or redistributes the following third-party software and assets. These notices apply only to the named components. The SnowDesktop core is licensed under the GNU General Public License v3.0; the separate Steam bridge under steam_bridge/ is licensed under the MIT License.

Corresponding source / 对应源码

SnowDesktop's corresponding source, including its modifications to third-party code and the scripts needed to build the application, is maintained in the official repository and can be obtained free of charge:

https://github.com/FreeFallingSnow/SnowDesktop

Build instructions and pinned dependency versions are provided in README.md, README.en.md, CMakeLists.txt, CMakePresets.json, and scripts/README.md in that repository.

SnowDesktop 的对应源码(包括对第三方代码的修改及构建应用所需的脚本)可从上述官方 仓库免费获取。构建说明和固定依赖版本见仓库中的 README.md、README.en.md、 CMakeLists.txt、CMakePresets.json 和 scripts/README.md。

The upstream project links below identify third-party origins. SnowDesktop's changes to those components are included in the corresponding source above. The separately obtained Steamworks SDK remains subject to Valve's terms, as described under "Optional Steamworks dependency" below.

下列上游项目链接用于说明第三方来源;SnowDesktop 对相关代码的修改包含在上述对应 源码中。另行获取的 Steamworks SDK 仍受 Valve 的条款约束,详见下文 “Optional Steamworks dependency”。

Third-party components

Component Version License Copyright / source
Microsoft Windows App SDK 2.4.0 NuGet package Microsoft Software License Terms Copyright (c) Microsoft Corporation; https://github.com/microsoft/WindowsAppSDK
Microsoft Windows ML Runtime 2.1.74 NuGet package Microsoft Software License Terms Copyright (c) Microsoft Corporation; https://learn.microsoft.com/windows/ai/new-windows-ml/
Microsoft Edge WebView2 SDK 1.0.3719.77 NuGet package BSD 3-Clause Copyright (c) Microsoft Corporation; https://developer.microsoft.com/microsoft-edge/webview2/
Microsoft.Windows.CppWinRT 3.0.260818.1 NuGet package MIT Copyright (c) Microsoft Corporation; https://github.com/microsoft/cppwinrt
Dear ImGui 1.92.5 WIP MIT Copyright (c) 2014-2025 Omar Cornut and contributors; https://github.com/ocornut/imgui
Lua 5.4.7 MIT Copyright (C) 1994-2024 Lua.org, PUC-Rio; https://www.lua.org
Everything SDK client bundled source MIT Copyright (C) 2016, 2022 David Carpenter; https://www.voidtools.com/support/everything/sdk/
pinyin-data bundled data MIT Copyright (c) 2016 mozillazg; https://github.com/mozillazg/pinyin-data
MinHook bundled source BSD 2-Clause Copyright (c) 2009-2017 Tsuda Kageyu; https://github.com/TsudaKageyu/minhook
Font Awesome 6 Free Solid 6.5.2 font SIL Open Font License 1.1 Copyright (c) Font Awesome; https://fontawesome.com/license/free
Fluent System Icons Regular upstream commit 21d5d02f724be2aaf586564775fff73a18a76eb6 MIT Copyright (c) 2020 Microsoft Corporation; https://github.com/microsoft/fluentui-system-icons
Microsoft WinUI acrylic noise texture upstream commit 7b68d3e0b771a57d80098799406234efee479517 MIT Copyright (c) Microsoft Corporation; https://github.com/microsoft/microsoft-ui-xaml
MiSans Regular 4.009 original OTF MiSans font intellectual property license Copyright © 2020-2025 Beijing Xiaomi Mobile Software Co., Ltd.; https://hyperos.mi.com/font/zh/
HarmonyOS Sans SC 1.0 original Regular TTF HarmonyOS Sans Fonts License Agreement Copyright 2021 Huawei Device Co., Ltd.; https://developer.huawei.com/consumer/cn/design/resource/
DeskMakeover shape catalog upstream main as referenced in 2026 MIT Copyright (c) 2026 Jinming Yang; https://github.com/nicepkg/deskmakeover
OpenHarmony GraphicsEffect adapted rim calculations upstream commit da8e11652a705ea2141c35de1a1fff501148740e Apache-2.0 Copyright (c) 2025-2026 Huawei Device Co., Ltd.; https://github.com/openharmony/graphic_graphics_effect
TranslucentTB-derived portions upstream commit 322e2b7395a51975150126276308b415970e080b GPL-3.0-only Copyright (c) TranslucentTB contributors; https://github.com/TranslucentTB/TranslucentTB/tree/322e2b7395a51975150126276308b415970e080b

The complete Everything SDK, Dear ImGui, Lua, pinyin-data, Font Awesome, Microsoft Fluent System Icons and MinHook license texts are retained under their corresponding third_party/ directories. All are copied into the licenses directory of release packages. The Font Awesome font is distributed under the SIL Open Font License 1.1 with the reserved font name "Font Awesome".

The Microsoft Windows App SDK runtime is redistributed self-contained under the license terms and third-party NOTICE installed by the pinned 2.4.0 NuGet package. The build records those files in SnowDesktop.deployment.json, and all release packagers copy them to the payload licenses directory. The pinned Windows ML 2.1.74 and WebView2 1.0.3719.77 licenses and third-party notices are copied the same way, along with the Microsoft.Windows.CppWinRT 3.0.260818.1 MIT license.

Optional interface fonts / 可选界面字体

SnowDesktop uses MiSans and HarmonyOS Sans as optional interface fonts. They are separate licensed assets, not GPL-licensed SnowDesktop code. Their original OTF/TTF files are bundled unchanged with SnowDesktop; no glyph subsetting, conversion, or font redevelopment is performed. The full agreements are retained in third_party/misans/LICENSE.pdf and third_party/harmonyos-sans/LICENSE.txt and copied into release payloads as MiSans-LICENSE.pdf and HarmonyOS-Sans-LICENSE.txt. These fonts may not be redistributed as standalone font products. The font settings and About page identify their use and owners.

SnowDesktop 使用 MiSans 与 HarmonyOS Sans 作为可选界面字体,字体资源分别适用 自己的许可,不适用 SnowDesktop 源码的 GPL 许可。仅随应用分发原始 OTF/TTF 文件, 不进行字形裁剪、转换或字体再开发;保留完整协议并随发行包交付。禁止将这些字体 作为独立字体产品再次分发。字体设置与关于页面标明使用的字体和权利人。

YASB references and adapted portions

YASB references and adapted portions are documented separately in third_party/yasb/README.md, pinned to d6d1e6d553b0aac34fd5fb34928d3ca82b8d055f. Copyright (c) 2024 amnweb and Copyright (c) 2021 denBot. Its MIT notice is retained in third_party/yasb/LICENSE and distributed as YASB-LICENSE.txt. The adapted private tray wire structures and Bluetooth control approach are identified there; SnowDesktop's IPC, task service and native presentation are separate implementations. The About page links to the pinned upstream source.

TranslucentTB-derived portions

SnowDesktop contains modified portions derived from TranslucentTB at upstream commit 322e2b7395a51975150126276308b415970e080b. The incorporated material is copyright TranslucentTB contributors and remains licensed under GPL-3.0-only, the same license used by the SnowDesktop core. SnowDesktop modified the material in 2026 for its own taskbar integration and desktop backdrop implementation.

The affected files are:

  • src/taskbar_dynamic/ShellViewCoordinator.idl
  • src/taskbar_hook/taskview_visibility.h
  • portions of src/taskbar_hook/taskbar_hook.cpp
  • portions of src/app/render/desktop_backdrop_compositor.cpp

The complete GPL v3 license text is retained in the repository root LICENSE. The upstream source and history remain available at the pinned TranslucentTB commit linked above.

DeskMakeover-derived shape geometry

src/icons/icon_beautify.cpp adapts normalized shape control points and continuous corner geometry from DeskMakeover's dm-icon-core shape catalog. The upstream visual-language reference is available at https://github.com/nicepkg/deskmakeover/blob/main/docs/specs/02-visual-language.md and the upstream project source is available at https://github.com/nicepkg/deskmakeover.

DeskMakeover is distributed under the following MIT License:

Copyright (c) 2026 Jinming Yang

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.

OpenHarmony GraphicsEffect-derived rim calculations

src/theme/flat_glass_rim.h contains modified CPU adaptations of the SDF edge-light, opposing fan-mask and exponential inner-shadow calculations from OpenHarmony GraphicsEffect at commit da8e11652a705ea2141c35de1a1fff501148740e. Copyright (c) 2025-2026 Huawei Device Co., Ltd. SnowDesktop modified these portions in 2026 for its existing opacity masks and chose its own visual parameters. This is not an assertion that Honor MagicAnimation uses the same implementation. The source paths and adaptation boundaries are documented in third_party/graphics-effect/README.md. The Apache-2.0 license is reproduced below so release packages containing this notices file retain the full text.

src/theme/flat_glass_rim.h 包含上述官方边缘光、对向扇区遮罩和指数内阴影计算的修改版。 SnowDesktop 于 2026 年将其移植到现有透明度遮罩并独立调校视觉参数,未声称与荣耀 MagicAnimation 使用相同实现。来源和移植边界见上述 README;完整许可证附于本文末尾。

Optional Steamworks dependency

steam_bridge/ can optionally be built against a separately obtained Steamworks SDK. The SDK, its headers, import libraries, and redistributable binary are not included in this repository and are not covered by either the SnowDesktop GPL license or the bridge MIT license. See steam_bridge/THIRD_PARTY_NOTICES.md for the distribution boundary.

Apache License 2.0 — OpenHarmony GraphicsEffect


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Microsoft WinUI acrylic noise texture

The original 256×256 noise PNG is embedded in the host and author preview. Source and regeneration details: third_party/microsoft-ui-xaml/README.md.

MIT License

Copyright (c) Microsoft Corporation. All rights reserved.

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