QBAutomation

QMerchant
Use this alternative solution to process credit-card and electronic-check payments from QuickBooks via Authorize.Net, PayTrace, and other payment gateways. The payment requests are captured from QuickBooks and transmitted to your payment provider. It supports practically all QuickBooks versions including QuickBooks - Point of Sale (POS) and QuickBooks Enterprise.

QImport 
Import, modify and export transaction data and other items from various sources from/to QuickBooks. Most common actions are invoices, sales receipts and checks. It includes SQL access, SalesForce access and batch functionality. It supports now practically all QuickBooks versions including QuickBooks Enterprise and QuickBooks Point-of-Sale.