开源协议 (Open Source Licenses)

交互式课件渲染引擎（MIT 协议），vendored 自上游仓库

MIT License

Copyright (c) 2026 THU-MAIC

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.

Slide Runtime 的子模块 (slide DSL / 渲染器 / 导入器), 同 MIT 协议

MIT License

Copyright (c) 2026 THU-MAIC

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.

MathML 转 OMML 转换库, 第三方依赖

mathml2omml (vendored in public/dongniai_app/packages/mathml2omml/)
采用 GNU Lesser General Public License v3 (LGPL-3.0)。

我们作为 vendored npm 依赖使用 mathml2omml，未修改其源码，符合 LGPL-3.0 §4(d)
关于"应用程序可与非 LGPL 部分动态链接"的要求。

完整 LGPL-3.0 文本:
  https://www.gnu.org/licenses/lgpl-3.0.txt
  本地副本: public/dongniai_app/packages/mathml2omml/LICENSE

LGPL-3.0 关键条款摘要:
  ✓ 允许商业使用
  ✓ 允许修改
  ✓ 允许分发
  ✓ 允许与专有代码链接（动态链接）
  ⚠ 修改 LGPL 部分本身必须以 LGPL-3.0 发布
  ⚠ 用户必须有重新链接的能力（动态链接满足）

我们的商业化定制代码（PHP FastAdmin 插件 + LLM 多套餐 + 实时计费 + 商业化 API key 加密等）

Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/

TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

(完整文本请参见 addons/dongniai/LICENSE 文件 — Apache 2.0 完整版约 190 行)

Copyright 2026 dongniai project contributors

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.