Arcavias is an e-commerce framework for Web shops, consisting of an e-commerce library, an administration interface, and different frontends. It's a modular stack which offers flexibility and speed. Unlike other Web shops, it's not a monolithic application. Instead, you have a choice between several user frontends, and you can adapt them to your needs or write one of your own.
BitNami Magento Stack Native Installer is an easy-to-install distribution of the Magento application. It includes pre-configured, ready-to-run versions of Apache, MySQL, PHP, and phpMyAdmin so users can get a Magento installation up and running in minutes after answering a few questions. Windows, Linux, Mac OS X, and other Unix operating systems are supported. Magento is a feature-rich, professional open-source e-commerce solution that offers merchants complete flexibility and control over the look, content, and functionality of their online store.
CS-Cart is a turnkey shopping cart solution that includes all necessary features to build a successful online Web store. It is ready to use right from the start. With its functionality you can start an ecommerce Web site of any complexity: from a one-product shop to a full-featured online store.
Saint CMS is a combination CMS and eCommerce package built atop a rapid development framework. It is high performance, easy to use, and provides convenient tools for creating sites with custom content types. It includes a built-in blog, an image gallery, a slideshow, a file manager, a shop with downloadable product options, an event logging system, a WYSIWYG editor, and more.