react-native-barcode-expo with updates for aspen
JavaScript barcode generator supporting over 100 types and standards.
Component to generate QRCode, Code128, PDF417, AZTEC, EAN-13 and UPC-A natively for react native.
React component to generate barcodes
A barcode and QR code scan layout for react-native applications with customizable styling

A high performance, fully featured, rock solid camera library for React Native applications
Barcode scanning plugin for react-native-vision-camera powered by ML Kit.
React Native component to generate barcode. Uses @react-native-community/react-native-svg.
React Native On-Device Barcode Scanning w/ Google ML Kit
High performance barcode scanner for React Native using VisionCamera
JavaScript barcode generator supporting over 100 types and standards.
An interface for bar code scanners
JavaScript barcode generator supporting over 100 types and standards.
Scandit Data Capture SDK for React Native
A Barcode Detection API polyfill that uses ZXing webassembly under the hood
    for encoding of data.
BarcodeMask Component For React-Native Camera
React Native Svg Barcode
A QR code scanner for React Native.
Barcode generator component is a pure JavaScript library which will convert a string to Barcode and show it to the user. This supports major 1D and 2D barcodes including coda bar, code 128, QR Code.
Most performant solution for rendering nested trees in React apps