Commerce.cgi is a full shopping cart system complete with a browser based store manager for adding, editing, and deleting products from your inventory. Pages are dynamically created from a flat file database. It also includes support for a wide selection of online credit card processors, or you can choose offline order processing.
If the high costs and complexity of commercial software have stopped you from putting your store online, this may be your solution. Commerce.cgi can have your stores catalog up and running on the web in literally a couple of hours. The easy to use Store Manager will even allow you to add and remove products from your inventory right through your web browser. Best of all, its free, open source software!

ITS FREE
Well established shopping cart software that has been around since 1998
Excellent support through out Mailing list and BBS
Easy to install with multiple installation methods
Web base store management script
Database template driven cart making it easy to update
Unlimited number of products
Automatically calculates sales tax, discount, and shipping
Online credit card processing, and offline support
Options support for adding color and sizes to products
Email confirmations
Built in product search capabilities
Easily modify the design to match your site
No special server components needed
Numerous security features