. A gateway is not required. You can use off-line payment methods like Bank Deposit,
   checks, etc
. Support for SSL and external payment form on a different server
. Off Line Credit Card Payment with CC number and expiration validation
  (Included in Free Distribution!)
. Phone Payment for Off Line Credit Cards
. Delayed Payments (enter payments anytime, after the order was posted)
. PayPal including IPN (instant payment notification) supported (Included in Free Distribution!)
. Authorize.net SIM and AIM (credit cards and e-checks) with Silent Response 3.1 (Comersus
   is listed as certified cart)
. PayByCheck
. 2CheckOut with Return Script including MD5 Hash
. IKobo
. WorldPay Junior Method including CallBack Response
. LinkPoint (Basic and COM beta)
. UsaEPay (Client and API)
. IntelliPay including Silent Response
. SecurePay
. CyberCash QuickPay
. VeriSign PayFlowLink / PayFlowPro including Silent Response
. Ka-Chingg
. UTCI
. GoEMerchant
. RoboCharge
. QuickCommercePro
. Yahoo PayDirect
. PSIGate Gateway with Silent Response
. Transaction Central
. SecureTrading
. Protx with Silent Response
. IonGate
. SecPay including CallBack Response
. EFTSecure
. Military Star Card * private solution through a third-party company
. White Label
. Bank Of America Bamart with Silent Response
. PlugNPay
. SkipJack
. Wells Fargo credit cards and e-checks with Silent Response 3.1
. BeanStream (Client and SOAP)
. Moneris Direct Post
. Viborgnet
. Echonline
. PaySystem with Silent Response beta
. MoneyBookers
. EPDQ UK with Silent Response
. ASIA Debit PayZip
. OZHosting
. CyberSource
. SecurePost
. eWay
. Payment Processor
. RTWare
. eProcessing Network
. PayReady
. Go Real Time
. ParaData
. BluePay
. Dibs
. ViaKlix
. Buckaroo SSL
. CCAvenue
. eGold
. Terra Payments
. FastCharge
. ITransact
. TrustCommerce
. e-Bullion
. u-Sight
. iDeb
. DirectOne
. SourceFul
. Concord
. DoPays
. Direct Payment Solutions
. First Atlantic Commerce
. Paymate
. PowerPay
. SLIM CD

Note 1: if you need to use a non-listed payment gateway please contact us and we will try to make the integration script in the next release of Power Packs

Note 2: Silent Response, Call Back, IPN and Response Scripts are methods provided by the Payment Gateways in order to notify the Shopping Cart that the payment was accepted. With that signal Comersus is able to update stock, sales, authorization codes and to deliver digital goods in real time.