E-Commerce

Agora Hacks
Custom Perl hacks for the agora.cgi shopping cart. Also custom programming services.
http://agorahacks.com/

BZBcart Shopping Cart Software by BusyBeeCart.com
A feature packed flexible shopping cart. [Commercial]
http://www.busybeecart.com/

CheckItOut - Adgrafix E-Commerce Solutions
Provides users with feature-rich e-commerce software. Features sales and support, demonstration store, online manual and version information, among other content.
http://ssl.adgrafix.com/

The CITY Shop
A shopping cart. The main idea behind this script: an object-oriented codebase, easy multiple-language and multiple-shop implementation, an easy to customize shop interface. [Shareware]
http://www.nightmedia.net/

ClickCartPro
E-commerce shopping cart solution. By Kryptronic. [Commercial]
http://www.kryptronic.com/khxc/ccp0-display/clickcartpro_main.html

Elite's CGI Script Center
E-Commerce Software. [Shareware and commercial]
http://www.siteinteractive.com/

Groundbreak.com
A collection of free and not-so-free cgi scripts written in the Perl programming language, focusing on e-commerce and web business.
http://www.groundbreak.com/

Html-Cart
A shopping cart program, very easy to install with store manager application. Demo and download available. [Freeware]
http://html-cart.com/

I-Shop Pro
Shopping cart solutions. [Commercial and freeware]
http://www.softlinx2000.com/

Powershop
A full featured powerful shopping cart system. [Commercial]
http://www.upowershop.com/

ShopCMS
An open source Perl and mySQL based Content Management System. Includes a description, screenshots and downloads.
http://www.expertwebinstalls.com/shopcms_paypal_shopping_cart.html

uStorekeeper Online Shopping Cart Software
A complete e-commerce solution to create, operate, and maintain an online store. Features include affiliate tracking, merchant account interfaces, image upload utility. [Commercial, trial version]
http://www.uburst.com/uStorekeeper/

WebGenie Shopping Cart Professional
Shopping Cart software to build catalogs and CGIs for online e-commerce store. [Commercial]
http://www.webgenie.com/Software/Shopcart/

WebMasterCart
Shopping cart software and a catalog manager for Unix/Linux and Windows web servers. [Shareware]
http://www.webmastercart.com/

WebStore 400CS Shopping Cart
Flexible, low cost, Perl shopping cart by RDC Software. Easy to install and customize. Online web store demonstrations and support documentation. Script customization available.
http://www.ratite.com/400CS/demo/