QRCode / 2d Barcode api with both server side and client side support using canvas
Fast, energy-efficient, highly-configurable QR code scanner.
A Camera component for React Native. Also reads barcodes.
Scandit Barcode Scanner SDK for the Web
Matrix manipulation and computation library
Envelop big blob of data into frames that can be displayed in series of QR Codes
React Component to Generate a Google QR Code
quirc for nodejs (QR decoder)
Ménneu - Component-based extensible document processor
A Camera component for React Native override. Original author is bellow