Zen Cart is free, user-friendly, open source shopping cart software that can be used to create an online store for the sale of  both physical and downloadable products.

The main features of Zen Cart are:

• easy to install
• scalable to support tens of thousands of products
• extensive product management tools
• support of multiple currencies
• support of multiple languages
• multiple payment, shipping and tax option modules installed by default
• wide variety of options for sales, specials and discounts
• in-built customer communication and marketing tools, and
• a template system that gives you complete control over your online store’s look and feel as well as product catalogue and shopping cart functionality.

As they say, Zen Cart Ecommerce – putting the dream of online business ownership within reach of anyone!

The source code of Zen Cart is distributed under the GNU (General Public License).  In essence, this gives anyone the right to modify the source code to suit their needs.  More information on the GNU GPL can be found at http://www.fsf.org/licensing/licenses/gpl.html.