QMerchant
QMerchant 2012
Use this alternateive solution to process credit-card and
electronic-check payments from QuickBooks via Authorize.Net,
PayPal, and other payment gateways. The payment requests
are invoked directly from QuickBooks and transmitted to
your payment provider. Supports practically all QuickBooks
versions including QuickBooks - Point of Sale (POS) and
QuickBooks Enterprise.