A Credit/Debit Checker
Smooth UI for Credit Card Entry on Android device, perform check for sup...
💳 A credit card mass checker (CC Checker) tool that could check a card'...
iOS validation framework with form validation support
Generation and verification of card numbers using Luhn's algorithm.
🔒 An easy-to-use check digit library for data validation
A .net library to identify credit card number and cvv