MFCard - Easily combine Credit Card payments in iOS App / Customisable Card UI. ObjectiveLuhn - Luhn Credit Card Validation Algorithm. SwiftLuhn - Debit/Credit card validation port of the Luhn Algorithm in Swift. Fuzi - A fast & lightweight XML & HTML parser in Swift with XPath & CSS assist. XMLCoder - Encoder & Decoder for XML utilizing Swift's Codable protocols.