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