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# Third-Party Software Notices

Last updated: March 24, 2026

ScreenTinker uses the following open-source software components. We gratefully acknowledge the contributions of these projects and their maintainers.

## Summary

Package | License | Use
--- | --- | ---
Express | MIT | Web server framework
Socket.IO | MIT | Real-time WebSocket communication
better-sqlite3 | MIT | SQLite database driver
Multer | MIT | File upload handling
uuid | MIT | Unique ID generation
Sharp | Apache 2.0 | Image processing and thumbnails
cors | MIT | Cross-origin resource sharing
bcryptjs | MIT | Password hashing
jsonwebtoken | MIT | JWT authentication tokens
Helmet | MIT | HTTP security headers
google-auth-library | Apache 2.0 | Google OAuth verification
OkHttp | Apache 2.0 | Android HTTP client
Gson | Apache 2.0 | Android JSON parsing
AndroidX Media3 / ExoPlayer | Apache 2.0 | Android video playback
AndroidX libraries | Apache 2.0 | Android UI and lifecycle
Material Components for Android | Apache 2.0 | Android UI components
Socket.IO Java Client | MIT | Android WebSocket client
Kotlin Coroutines | Apache 2.0 | Android async operations
AndroidX Security Crypto | Apache 2.0 | Encrypted SharedPreferences
AndroidX WorkManager | Apache 2.0 | Background task management

## MIT License

The following packages are licensed under the MIT License:

Express, Socket.IO, better-sqlite3, Multer, uuid, cors, bcryptjs, jsonwebtoken, Helmet, Socket.IO Java Client

MIT License Copyright (c) respective authors and contributors 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 licensed under the Apache License, Version 2.0:

Sharp, google-auth-library, OkHttp, Gson, AndroidX Media3/ExoPlayer, AndroidX libraries, Material Components for Android, Kotlin Coroutines, AndroidX Security Crypto, AndroidX WorkManager

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

## Contact

If you have questions about the licensing of any component used in ScreenTinker, please contact us at support@screentinker.com