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