Designed specifically for application development, Macromedia Dreamweaver UltraDev is a brand new product based on the Dreamweaver core architecture. If you already use Macromedia Dreamweaver, you will appreciate the familiar interface and working environment.  Macromedia is working closely with e-commerce partners to provide everything you need to develop online stores that scale to support thousands of products and are simple to maintain. Solutions that let you create sites that use built-in tax and shipping calculations, sophisticated merchandizing options (such as discounts, cross-selling, and frequent shopper points), automatic order confirmations, real-time credit card transactions, and more.