5th Avenue Software
   A template-driven customizable PHP shopping cart utilizing MySQL or PostgreSQL. Interfaces with numerous payment, tax, and freight methods. [Shareware]
   http://www.5th-avenue-software.com/

ABC eStore
   A powerful shopping cart software. It has templates system that allows changing both design and structure of the e-store without interfering with the code. And it is integrated with payment gateways (2CheckOut, PayPal, Skipjack).
   http://www.abcestore.com/

Associate-O-Matic
   Build and customize a complete Amazon.com Associate Store. [Commercial]
   http://www.associate-o-matic.com/

AuthorizeIt
   A PHP interface to the authorize.net merchant gateway, which lets you set up your site to take credit card payments. By PHP Labs. [Commercial]
   http://www.phplabs.com/scripts/AuthorizeIt/

C-Cart
   A shopping cart written in PHP with a MySQL database to store the product details. Compatible with Worldpay, PayPal, PaySystems and 2checkout. There is also an option for customers to pay by invoice or manually enter their details on your secure server. B
   http://www.polyspaston.com/ccart.html

Clover Shop
   An online store which features a product catalog, shopping cart, orders and administration page. Databases are flat text files and its can edit them through web browser or off-line in a text editor. [Commercial]
   http://www.clovershop.com/

DH MLM
   Software designed to help manage affiliates and real-time commission payments.
   http://www.dhmlm.com/

Deonix Scripts Templates Management
   A PHP script which allows start templates business. It support selling single templates and membership based templates sites. Also it support templates uploaded, members subscription, files management. [Commercial]
   http://www.deonixscripts.com/index.php?view=products_templatesmng.html

Digisoft 77
   PHP Shopping Cart. It use MySQL and not requiring knowledge of HTML or programming. Demo available. [Commercial]
   http://www.digisoft77.com/

Domain Registration and Management System
   Fully customizable domain registration system utilizing the eNom reseller API with integrated payment gateways. Requires MySQL.
   http://www.dramsystem.com/

Fish Cart
   An open source catalog management system. Includes multi-lingual support, customer information tracking, close out items, audio or video clips for products, and encryption.
   http://www.fishcart.org/

Idevspot PayDownloadPal
   Digital download delivery automation with Paypal ecommerce integration.
   http://www.idevspot.com/index.php?page=p_detail~5

Idevspot Pixie Professional
   Download delivery, affiliate system, subscription automation, Ebay download automation script.
   http://www.idevspot.com/index.php?page=p_detail~9

Intensive Point
   Shopping cart and product delivery system designed for merchants who sell software and ebook instant downloads. Includes time sensitive options, software updates access, support and a feature to bundle digital products. [Commercial]
   http://www.intensivepoint.com

MR ICT Paypal Download Script
   Script allow sell a digital product using a PayPal "Buy it Now" button. The file can be any digital media downloadable by a web browser, including zip file, pdf, mp3, gif, jpeg. [Commercial]
   http://www.mrict.co.uk/paypal/

MiracleCommerce
   A shopping cart software for Linux provides complete ecommerce functionality including web based online store, product catalog management, order management, customer management, order status update notification, order cancellation, customer credit issuanc
   http://www.miraclefruit.com/products_miraclecommerce_overview.html

OrbitHyip
   A MySQL/PHP based Professional High Yield Investment Program (HYIP) script that is very easy to use and allows manage members and E-gold/IntGold/EvoCash/E-Bullion deposits. The script supports unlimited payout plans, flexible template system allows easily
   http://www.orbitscripts.com/orbithyip_overview.html

PHP IPN Monitor
   A PHP / mySQL application for selling digital goods via PayPal and IPN (instant payment notification). [Commercial]
   http://www.withinweb.com

PHP Invoice
   A PHP/MySQL-based account and automated invoice management program. It supports automated billing through Paysystems, 2Checkout, Worldpay, Paypal, and custom payment gateway. Features: Support Tax, Pro-rated billing, revenue reports. [Commercial]
   http://www.phpinvoice.com/

Payment Processors Order Forms
   Payment processor forms that allows receive "instant" payment for product or services. The forms are available for Paypal, 2checkout, WorldPay, Authorize.net and Paysystems. [Commercial]
   http://www.pickadesign.com/orderscripts/

PaymentPal
   Lets accept PayPal transactions through website automatically, via PayPal's Instant Payment Notification system. By PHP Labs. [Commercial]
   http://www.phplabs.com/scripts/PaymentPal/

S.C.S.S (Shopping Cart Software Solution)
   A full featured shopping cart software with integreted payment solutions based on PHP and MySQL database. [Commercial]
   http://www.shopping-cart-software-solution.com/

Sau Surepay
   Implementation of SurePays "classic" interface, also includes a plugin for ready use with PHPshop. [Opensource]
   http://surepay.sauen.com/

Shop Builder
   A shopping cart solution. Built in search facility. Most popular items can be displayed. Special offers can be flagged to promote items. [Commercial]
   http://shopbuilder.org/

Shop-Script
   Application includes credit card processing, template-based design, and compatibility with mySQL, MS SQL, and Interbase. Online order.
   http://www.shop-script.com/

Squirrel Cart Shipping Module
   A PHP/MySQL e-commerce system. Also company offer shopping cart hosting. By Nextnet Hosting. [Commercial]
   http://www.nextnethosting.net/shopping_cart.htm

TwoCheckout
   Support for accepting credit card payments via 2Checkout.com; includes basic post-back script. By PHP Labs. [Commercial]
   http://www.phplabs.com/scripts/TwoCheckout/

VeriSignup
   Allows to integrate Verisign's PayFlowLink into website. By PHP Labs. [Commercial]
   http://www.phplabs.com/scripts/Verisignup/

ViArt
   A shopping cart supporting MySQL and PostgreSQL databases and includes support for ODBC connections. Different versions, online demo, and news. [Shareware]
   http://www.viart.com/

Webforce Cart (wfCart)
   A free PHP shopping cart class. It's designed as a component for PHP developers who would rather write their own store rather than a complete solution.
   http://www.webforce.co.nz/cart/

Whois.Cart()
   A PHP and MySQL based domain and hosting sales and management system that solves most manual labor involved with running a hosting business. [Commercial]
   http://whoiscart.net/

Zen Cart
   A user-friendly PHP-based shopping cart system. [Open source, GPL]
   http://www.zen-cart.com/

aMember
   Script to setup paid membership on a site with PayPal/Clickbank support. [Commercial, trial version]
   http://www.amember.com/

digiSHOP
   Fully self-administered shopping cart that works with PHP/MySQL. Pricing and online order.
   http://digishop.digisoft77.com/

phpMyCart
   A PHP and mySQL based ready-to-use virtual shop with a template-based storefront, unlimited products and categories, and different options for delivery and payment.
   http://phpmycart.com/

phpShop
   A free online shop which includes a modular system, easy management, featured items, and searching.
   http://www.phpshop.org/

tplShop
   PHP 4.1+ and MySQL required. Lots of features with handy administrator tools. A webbased interface. [Commercial]
   http://www.tpl-design.com/tplshop/