nopCommerce is the best open-source e-commerce shopping cart. nopCommerce is available for free. Today it's the best and most popular ASP.NET ecommerce software. It has been downloaded more than 1.5 million times!

nopCommerce is a fully customizable shopping cart. It's stable and highly usable. nopCommerce is an open source ecommerce solution that is ASP.NET (MVC) based with a MS SQL 2008 (or higher) backend database. Our easy-to-use shopping cart solution is uniquely suited for merchants that have outgrown existing systems, and may be hosted with your current web host or our hosting partners. It has everything you need to get started in selling physical and digital goods over the internet.

nopCommerce can be up-and-running in just a few minutes. Simply download the software, and follow the simple installation instructions. nopCommerce is developed to take full advantage of the latest technologies available. With its pluggable architecture, additional functionality and presentation elements can be dynamically added to the application at runtime.

We have put a lot of effort into ensuring that nopCommerce is optimized for search engines. From search friendly URLs to properly structured content and products, you will find that nopCommerce was built to help your customers locate your content with ease.

nopCommerce offers unprecedented flexibility and control. Since it is open-source, nopCommerce’s source code is available free for download.

nopCommerce Site: http://www.nopcommerce.com

nopCommerce demo store: http://www.nopCommerce.com/demo.aspx

Complete feature list: http://www.nopcommerce.com/featurelist.aspx

Technology & System Requirements: http://www.nopcommerce.com/technologysystemrequirements.aspx

Documentation: http://www.nopcommerce.com/documentation.asp

Forums: http://www.nopcommerce.com/boards/

Browse our shopping cart demo store to get a feel for nopCommerce shopping cart. Browse through the store from the customer's perspective and place an order. You won't be billed for or receive any products – the demo store examples are there only to show the extensive functionality of the shopping cart. Get a better feel for it by going through the admin panel and make changes.