VirtueMart Shopping Cart System (VSCS) is a complete online E-Commerce system which will meet all your online business.
Here's a list of the features of the system:

Shopping cart

All aspects of a working shopping cart such as the check-in check-out system

Easy to use and customizable to fit your business needs

Shipping management

Define your shipping channels such as DHL or UPS

Customize the shipping cost to each of your product

Credit card payment and management

Integrate with most major payment gateway

Manage multiple payment gateway together

Define multiple currency and countries to sell in

Product features

Multiple level of categorization of your products

Stock management

Easy transfer of product database in csv format

Able to sell downloadable products such as software or e-books

Allow your customers to see your product in pdf

Rating and comments functionality allows your customers to rate and
give comments for your products

Online marketing features

Shopper groups – define different groups of customers to grant different privileges

Discount management – apply discounts to different products to maximize sales

Coupon management – send out e-coupons for customers to enjoy special promotions
on your store

Report generation – generates reports to see the performance of your products and
your store

Customer management

Your customer is able to register/view/change their profile through the website

You can further manage your customers through the administrator panel

Vendor management

Manage and record your vendor and manufacturers for your product line

Order management

Comprehensive order tracking system to track your orders

Allows sending of confirmation email to your customer easily

Your customers can also check the status of their orders through your website

Other functionalities

A scrolling featured product module to capture the attention of your online shoppers

A latest product module to inform your customers the latest products your store is carrying

Product search module allows your customer to search your product easily

Security

Secure your online transaction using industry standard 128-bit SSL

Encryption of database using an encoding key to further protect your data