Proforma - Proforma enables you to sell your goods or services by credit card.It is ready to use stand-alone, for processing mail orders, or on your website for on-line sailes.Proforma is open source, and there is no setup fee, montly charges or trial period.
Credit Carder - Credit Carder is an application that has been designed to help developers test their credit card validation code. CC generates perfectly valid numbers for ten credit card issuers. As well has generating numbers, it can also validate existing numbers.
UNIX: разработка сетевых приложений - Книга написана известным экспертом по операционной системе UNIX и незаменима для тех, кто занимается созданием web-серверов, клиент-серверных приложений или любого
Q-Merchant, Accept Credit Cards with QuickBooks - If you accept credit cards for merchandise sold offline — via fax, phone or mail order, at tradeshows and other places not equipped with POS terminals — every credit card payment you have accepted would have to be authorized by the merchant processor. You can get that done through your regular terminal client
QMerchant - a convenient credit card processor for QuickBooks - If you use QuickBooks for your business, you may want to have more payment-related functionality at your fingertips — for instance, an ability to charge credit cards right from within QB would be perfect. If you like this idea and haven’t quite figured out how to improve this aspect of your accounting