Resources and useful links for Online Sales and e-Commerce

'osCommerce' Online Merchant is an Open Source online shop e-commerce solution that is available for free under the GNU General Public License.
http://www.oscommerce.com

Practical eCommerce - Its mission from the start has been to provide down-to-earth articles and advice to help smaller businesses succeed online.
http://www.practicalecommerce.com

Inc.com - Inc.com, the website for Inc. magazine, delivers advice, tools, and services, to help business owners and CEOs start, run, and grow their businesses more successfully. You'll find information and advice covering virtually every business and management task, including marketing, sales, finding capital, managing people, and eCommerce.
http://www.inc.com/resources/ecommerce