X-Cart is a PHP shopping cart software for running on-line stores. It allows unlimited number of products and categories. X-Cart supports on-line payment processing (fully PCI compliant), product variants (e.g. t-shirts with different colors and sizes), tracks inventory, integrates with UPS, USPS, FedEx, Australia Post, Canada Post and DHL/Airborne for accurate shipping quotes, provides powerful tax calculation tools. Also, you can manage affiliates, orders (including RMA), have discount coupons and special offers and many more. Key features:* Customization: Easy & Flexible* Technical support: We love you more than your mom loves you* Future: Scales as your business grows* Speed: The Fastest, really, we tested* Hosting: You host or we can* Integrated services & solutions: More than 100 for payment processing, shipping, taxes, marketing, etc.