QR Code Reader Decoder (Mac/Raspberry Pi) - Hackster.io
An OpenCV barcode and QR code scanner with ZBar - PyImageSearch
GitHub - dm77/ZBarScanner: This is an Android library project that simplifies the usage of the ZBar SDK for scanning bar codes from within your Android application.
ZBar Barcode QR Code Scanner for Android with SearchView - Tutorial and Example - YouTube
Detect and decode QR code - English Community - 4D Forum
ZBar Bar Code Reader Library: zbar::Scanner Class Reference
An OpenCV barcode and QR code scanner with ZBar - PyImageSearch
1D and 2D Barcode Scanner with ZBAR - another Barcode Scanner that is 100% embedded in B4A | B4X Programming Forum