WordPress
WordPress is web software you can use to create a beautiful website or blog. We like to say that WordPress is both free and priceless at the same time.
Drupal
Drupal is an open source content management platform powering millions of websites and applications. It’s built, used, and supported by an active and diverse community of people around the world.
Magento eCommerce
http://www.magentocommerce.com/
CartSpan
eCommerce Integration for QuickBooks, Peachtree (Sage 50), and Amazon
Automatically import your on-line orders into Peachtree or QuickBooks, eliminating the need for time consuming and error-prone re-entry. CartSpan can be used optionally to update item prices and quantities-on-hand in the shopping cart, providing your customers with a ‘real-time’ view of product availability. CartSpan supports many popular hosted, open source, and WordPress carts such as: Amazon, AmeriCommerce, CS-Cart, CartGenie, Ecommerce Templates, Zen Cart, PayPal, OpenCart, osCommerce,nopCommerce, PrestaShop, ProductCart, Ubercart, VP-ASP, Virtuemart, WP e-Commerce, X-Cart, ZNode, and more!
