RediCart  

RediCart is a powerful Perl-based shopping cart system designed to enable you to accept credit card, check, and EFT payments online in real-time. It is designed to work with iTransact's payment acceptance services (RediCharge, RediCheck, and RediEFT), but you can modify it to work elsewhere.

Price: Free

   Yams  

Yams (Yet Another Merchant System) is an e-commerce system. It provides tools for both the shopper and the administrator. Yams is written in Perl and utilizes a MySQL database on the backend. Features: Basic Product Search, Related Product Display, Persistent Shopping Cart, Support for multiple products types, Integrated user registration system and management tools, Support for recording multiple addresses to ship products to, Support for customizing the look of the dynamic pages and more.

Hosting Requirements: Apache 1.3.6; Perl 5_005_03+
Database: Mysql 3.22.25+
Price: Free

   WebStore  

WebStore is the culmination of eXtropia's experience with online shopping applications. It merges both the Electronic Outlet HTML and Database versions and adds all new routines for error handling, order processing, encrypted mailing, frames, Javascript and VBscript and other goodies.

Price: Free

   AllCommerce  

AllCommerce, an ecommerce and fulfilment system provides a Web-based administrator to access inventory and order information. Modules include content, order, inventory and promotions.

Price: Free

   AgoraCart  

AgoraCart is an open source e-commerce solution with numerous users, paid and free add-ons and hacks.

Hosting Requirements: Unix/Linux; Perl 5
Price: Free

   Aktivate  

Aktivate is a complete, end-to-end e-commerce solution aimed at Linux and other Unices. Aktivate is targeted at small to medium sized businesses or charities who want to accept credit card payments over the web. It has its own unique shopping cart and catalogue system that enables shoppers to search, browse and pick up goods from the virtual store. Once a shopper is ready to pay Aktivate securely captures their payment details, stores them for later pick up by the merchant and sends out an email to the shopper confirming their order. A suite of easy to use tools puts the merchant firmly in control of their online store. This means they can easily pick up their transactions, manage their catalogue and define varied discount schemes for their products.

Price: Free

   Interchange  

Interchange is an open source alternative to commercial commerce servers and application server/component applications. Interchange is one of the most powerful tools available to automate and database-enable your web site or build online applications. Interchange is well suited for a variety of purposes, including: sales, order processing, content management, customer service, reporting and analysis, and personalization. Interchange has been implemented for traditional retail sales, digital goods delivery, B2B parts re-ordering, non-commerce content management, auctions, order status checking, supply chain management, project management, online collaboration, and even an MP3 Jukebox. Interchange can be used as a completely self-contained standalone product or as part of a larger system. It can be integrated with payment processing services, ERP systems, point-of-sale systems, accounting systems, external content management systems, Java-based application servers, sales force automation systems, customer relationship management systems, email campaign management systems, and remote databases on virtually any platform.

Price: Free