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Open Source Licenses

Third-party libraries and services that make QuickTrack possible

QuickTrack is built with amazing open source software. We're grateful to the developers and maintainers of these projects that make our app possible. This page lists all open source libraries and their respective licenses.

Frontend Libraries (React Native/Expo)

React Native
MIT License
A framework for building native apps using React
Copyright: Meta Platforms, Inc. and affiliates Website: reactnative.dev Used for: Core mobile app framework
Expo
MIT License
Platform for making universal native apps for Android, iOS, and the web
Copyright: 650 Industries, Inc. (Expo) Website: expo.dev Used for: Development tools and native modules
Expo Camera
MIT License
Camera module for Expo and React Native apps
Copyright: 650 Industries, Inc. (Expo) Website: Expo Camera Docs Used for: Camera integration and photo capture
React Native Async Storage
MIT License
Asynchronous, persistent, key-value storage system for React Native
Copyright: React Native Async Storage Website: GitHub Repository Used for: Local data persistence and tracking history

Backend Libraries (Node.js)

Express.js
MIT License
Fast, unopinionated, minimalist web framework for Node.js
Copyright: TJ Holowaychuk and contributors Website: expressjs.com Used for: API server and HTTP request handling
Axios
MIT License
Promise based HTTP client for the browser and Node.js
Copyright: Matt Zabriskie and contributors Website: axios-http.com Used for: HTTP requests to carrier APIs
Multer
MIT License
Node.js middleware for handling multipart/form-data
Website: GitHub Repository Used for: File upload handling for shipping label images
xml2js
MIT License
Simple XML to JavaScript object converter
Copyright: Marek Kubica and contributors Website: GitHub Repository Used for: Parsing XML responses from USPS API

Third-Party Services

Google Cloud Vision API
Commercial Service
Machine learning service for image analysis and OCR
Provider: Google LLC Website: Google Cloud Vision Used for: Optical Character Recognition (OCR) of shipping labels Terms: Google Cloud Terms of Service
USPS Web Tools API
Government Service
Official USPS package tracking and shipping APIs
Provider: United States Postal Service Website: USPS Web Tools Used for: USPS package tracking information
UPS Developer API
Commercial Service
UPS package tracking and shipping APIs
Provider: United Parcel Service, Inc. Website: UPS Developer Portal Used for: UPS package tracking information
FedEx Developer API
Commercial Service
FedEx package tracking and shipping APIs
Provider: Federal Express Corporation Website: FedEx Developer Portal Used for: FedEx package tracking information

Additional Acknowledgments

QuickTrack also benefits from the broader open source ecosystem including Node.js, TypeScript, and countless other projects. We're grateful to the entire open source community.

Questions about licensing? Contact us at support@aquicktrack.com