# Stelliberty License

**Copyright (c) 2025 Stelliberty Project**

---

## License Grant

You are free to use, modify, and distribute this software for any lawful purpose.

### ✅ Permissions

- Commercial and personal use
- Source code modification
- Distribution of original or modified versions
- Creation of derivative works
- No attribution required (but appreciated)

### ❌ Restrictions

- Prohibited for illegal activities or malicious purposes
- Cannot be sold as proprietary software without adding significant value
- Cannot be used for activities that harm others or violate laws

### ⚠️ Disclaimer

**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.**

---

# Third-Party Open Source Licenses

This project incorporates open-source software components. We are grateful to all contributors and maintainers in the open-source community.

---

## 📦 Flutter/Dart Dependencies

### MIT License

#### Runtime Dependencies
- `window_manager` - Desktop window management
- `tray_manager` - System tray integration
- `screen_retriever` - Screen information retrieval
- `hotkey_manager` - Global hotkey management
- `bitsdojo_window` - Window customization
- `rinf` - Flutter ↔ Rust interop framework
- `shared_preferences` - Local key-value storage
- `tuple` - Tuple data structures
- `synchronized` - Synchronization helpers
- `meta` - Metadata annotations
- `slang` - Internationalization framework
- `slang_flutter` - Slang Flutter integration
- `flutter_single_instance` - Single instance enforcement
- `http` - HTTP client
- `path` - Cross-platform path manipulation
- `path_provider` - Platform-specific path access
- `yaml` - YAML parser
- `file_picker` - File selection dialog
- `desktop_drop` - Drag-and-drop file support
- `package_info_plus` - Application package information
- `device_info_plus` - Device information
- `re_editor` - Code editor widget
- `re_highlight` - Syntax highlighting
- `reorderable_grid_view` - Drag-sortable grid view
- `intl` - Internationalization utilities
- `gpt_markdown` - Markdown rendering
- `cached_network_image` - Network image caching
- `flutter_cache_manager` - Cache manager for files
- `open_filex` - Open files with system handlers
- `qr_flutter` - QR code rendering

#### Development Dependencies
- `flutter_lints` - Recommended lints for Flutter
- `slang_build_runner` - Code generation for i18n
- `dependency_validator` - Dependency validation tool
- `rename` - Package renaming utility

**MIT License Terms:**

```
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.
```

### Apache License 2.0

The following packages are dual-licensed under MIT/Apache-2.0:

- `google_fonts` - Google Fonts for Flutter
- `system_theme` - System accent color support
- `flutter_acrylic` - Window visual effects
- `provider` - State management

**Apache 2.0 Key Terms:**
- ✅ Commercial use permitted
- ✅ Modification permitted
- ✅ Distribution permitted
- ✅ Patent grant included
- ⚠️ Copyright notice must be retained
- ⚠️ Changes must be documented

Full license text: https://www.apache.org/licenses/LICENSE-2.0

### BSD-3-Clause License

- `Flutter SDK` - Flutter framework
- `flutter_localizations` - Flutter localization support

**BSD-3-Clause Key Terms:**
- ✅ Commercial use permitted
- ✅ Modification permitted
- ✅ Distribution permitted
- ⚠️ Copyright notice must be retained

---

## 🦀 Rust Dependencies

### MIT License (or MIT/Apache-2.0 Dual License)

#### Core Dependencies
- `rinf` - Rust interop framework
- `serde` - Serialization framework (with derive)
- `serde_json` - JSON serialization
- `serde_yaml_ng` - YAML serialization
- `rquickjs` - JavaScript engine
- `anyhow` - Error handling
- `thiserror` - Error derive macros

#### Async Runtime
- `tokio` - Asynchronous runtime
- `tokio-tungstenite` - WebSocket client
- `futures-util` - Future utilities
- `async-trait` - Async trait support

#### Networking
- `reqwest` - HTTP client
- `http` - HTTP types
- `httparse` - HTTP parser
- `url` - URL parsing
- `urlencoding` - URL encoding

#### System Integration
- `network-interface` - Network interface info
- `sysinfo` - System information
- `dirs` - Standard directory paths
- `auto-launch` - Auto-start functionality
- `crossterm` - Terminal input/output

#### Utilities
- `log` - Logging facade
- `env_logger` - Logger implementation
- `chrono` - Date and time
- `once_cell` - Lazy static values
- `rand` - Random number generation
- `regex` - Regular expressions
- `base64` - Base64 encoding
- `encoding_rs` - Text encoding conversion
- `webbrowser` - Web browser integration
- `zip` - ZIP archive support
- `flate2` - Compression library

### Platform-Specific Dependencies

#### Windows (MIT/Apache-2.0)
- `windows` - Windows API bindings
- `windows-service` - Windows service framework

#### Android (MIT)
- `android_logger` - Android logging

#### Unix/Linux (MIT)
- `nix` - Unix system API
- `libc` - C standard library bindings

---

## 📋 License Compatibility

All third-party dependencies use **permissive open-source licenses**:
- MIT License
- Apache License 2.0
- BSD-3-Clause License

These licenses are mutually compatible and permit:

| Permission | Status |
|------------|--------|
| Commercial Use | ✅ Allowed |
| Modification | ✅ Allowed |
| Distribution | ✅ Allowed |
| Private Use | ✅ Allowed |
| Sublicensing | ✅ Allowed |
| Patent Grant | ✅ Apache 2.0 only |

### Compliance

We comply with all license requirements by:
1. ✅ Including this comprehensive license file
2. ✅ Preserving all copyright notices
3. ✅ Providing full license texts
4. ✅ Documenting all dependencies

---

## 🔍 Viewing Complete License Information

### Flutter Dependencies

View all Flutter/Dart package licenses:

```bash
flutter pub licenses
```

### Rust Dependencies

Install cargo-license tool:

```bash
cargo install cargo-license
```

View licenses for the hub crate:

```bash
cargo license --manifest-path native/hub/Cargo.toml
```

View licenses for the service crate:

```bash
cargo license --manifest-path native/stelliberty_service/Cargo.toml
```

---

## 🙏 Acknowledgments

We extend our sincere gratitude to all open-source contributors and maintainers. This project would not be possible without the dedication and hard work of the open-source community.

**Special thanks to:**
- The Flutter and Dart teams at Google
- The Rust community and Cargo ecosystem maintainers
- All individual contributors to the dependencies listed above

---

## 📝 Document Information

| Field | Value |
|-------|-------|
| **Last Updated** | 2026-01-23 |
| **License Version** | 1.0 |
| **Total Dependencies** | 70+ packages |
| **Primary Licenses** | MIT, Apache-2.0, BSD-3-Clause |

---

**For questions about this license, please open an issue in the project repository.**