WordPress is a free and open source blogging tool and content management system (CMS) powered by PHP and MySQL. It has many features including a plug-in architecture and a template system. wikipedia.org

BigCommerce is a SaaS ecommerce solution that features a web-based WYSIWYG editor, Facebook storefronts, exporting to PPC websites, automated email marketing, unlimited product photos, product zooming, mobile commerce, and eBay listing. wikipedia.org

AngularJS is an open-source web application framework, maintained by Google and community, that assists with creating single-page applications, one-page web applications that only require HTML, CSS, and JavaScript on the client side. wikipedia.org

Shopify is an e-commerce platform that allows individuals and businesses to create online stores. The Shopify platform includes a content management system that allows users to manage inventory, edit HTML and CSS code, create coupon and discount codes, and accept online payments online with... wikipedia.org

Electronic commerce, commonly known as e-commerce refers to the buying and selling of products or services over electronic systems such as the Internet and other computer networks.

Squarespace is a web publishing (blogging/content management) company that sells a software publishing platform and file server service to individuals and businesses, providing them the tools and assistance to create and maintain well-designed websites. wikipedia.org

Shopify is an e-commerce platform that enables individuals and businesses to create online stores. wikipedia.org

WooCommerce is an open source e-commerce plugin for WordPress that was launched on September 27, 2011. wikipedia.org

WP e-Commerce is a WordPress plugin that provides tools for users to start selling products, downloads or services online. WordPress is a free and open source blogging tool and content management system (CMS) based on PHP and MySQL.