2. been-pwnedApp that leverages the haveibeenpwned.com API by Troy Hunt. This app is available in the App Stores and is used in several of my talks as well as my book Xamarin.Forms Essentials.
3. WifiBarcodeSampleSample code for my article in DotNetCurry magazine on scanning barcodes. In this sample you can generate and scan QR codes that contain a Wi-Fi connection string
4. ZXingSampleWorking sample app for a blog post on barcode scanning and generating with ZXing
5. pdfjsA sample for showing PDF files in a Xamarin.Forms application with pdf.js