Online Payment Service :

• Paypal –                     https://www.paypal.com
• Moneybookers –        http://moneybookers.com
• Webmoney –              http://www.wmtransfer.com/eng
• Amazon Web Pay –    https://payments.amazon.com
• Google Checkout –     https://checkout.google.com
• Ripple Open Source – http://ripple.sourceforge.net