An open-source System.Drawing.Common replacement for .NET 5 and above on all platforms. Bringing together System.Drawing, Maui, and ImageSharp's Bitmap, Image, Font, and Shape types via an agnostic free NuGet package.
C# Tutorial to read barcodes and QR - see full tutorial at https://ironsoftware.com/csharp/barcode/tutorials/reading-barcodes/
Generating QR Codes with C# - Source for tutorial https://ironsoftware.com/csharp/barcode/tutorials/creating-qr-barcodes-in-dot-net/