MyVirtualMerchant - Zen Cart - Converge

Converge for Zen Cart - Payment Module -  My Virtual Merchant

Accept a full range of payment methods:
Credit cards
Debit cards
Electronic checks
Electronic gift cards
Electronic benefit transfer (EBT)
Cash

Advanced features include:
Enhanced security, including encryption and tokenization
Detailed reporting with up to 12 months of data storage
Customizable payment screens
User permission management for up to 5,000 users

This popular modules is ideal for those that need to charge supplement shipping charges or other charges after the initial order has been placed.