E-commerce

osCommerce is an Open Source online shop e-commerce solution that is available for free under the GNU General Public License. It features a rich set of out-of-the-box online shopping cart functionality that allows store owners to setup, run, and maintain online stores with minimum effort and with no costs, fees, or limitations involved.

NetSuite is the industry's first and only online business application that supports your entire company—from customer relationship management (CRM) to enterprise resource planning (ERP) to e-commerce. NetSuite is the first and only web-based application to offer everything in a single, integrated and powerful solution. Additionally, NetSuite enables you to make better, faster decisions through real-time business intelligence.

Microsoft Commerce Server is a Microsoft product for building e-commerce systems. It helps create e-commerce solutions and Web sites with high-performance, familiar tools that simplify setup, management, and administration tasks. MCS provides a comprehensive solution for  B2C, B2B sales, online service delivery, self service portals using catalogs, profiles, or content targeting for personalized information delivery.

Drupal e-Commerce is a package of modules to let you create your own online store. It is totally free, open source, rich featured and flexible. Drupal e-Commerce is designed to be expansible.

Zuora is the leader in subscription billing and recurring payments. Our Z-Billing and Z-Payments products make it fast and easy to launch new products, scale operations, and automate recurring billing and subscription payments in one solution.

HansaWorld is a fully integrated modular, enterprise-wide accounting software, business management, ERP, E-Commerce and CRM system for large companies. Offers true integration, mobile access, e-mail, intranet, document management, webshop, VoIP, internet services