ZeusCart is an incredibly stable & richly-interfaced, open source shopping cart based on MySQL, it's also a simple PHP E-commerce project package which allows, even a non-technical person to open an online store on the Internet, with minimal efforts. This web-based PHP shopping cart is simple, powerful and easy to use. ZeusCart includes a number of marketing-tailored features that can help you increase your online sales, promote repeat purchases, and boost customer satisfaction.

ZeusCart is a fully-customizable shopping cart tool, you can use your creativity to add powerful features to let it work for your business. Customers can browse the store in a whole new way, using product attribute based layered navigation, rather than rigid category structures. Even though, Zeus Cart is an open source e-commerce solution, it offers you beneficial software updates, regularly.  It's feature packed out-of-the-box installation allows store owners to setup, run, and maintain their own E-stores with very minimal efforts

New Features of Version 3.0 ZeusCart:
- AJAX based Admin UI
- Product Variation
- Digital Product Download
- Customer Group Management
- Customer Group Based discounts at Store Front
- Quick Link menu at Admin Area
- Graphical Statistics at Admin Panel
- Admin Settings
- Getting Started Links

Requirements:
- PHP
. safe_mode must be disabled
. file_uploads must be enabled
. allow_url_fopen must be enabled
. magic_quotes_sybase must be disabled.
. sql.safe_mode must be disabled
. PCRE extension must be enabled
. ini_set function must not be disabled
. memory_limit >= 32M or more
. zlib library enabled.
. GD image library must be installed and enabled
- MySQL 3.23 to 5.0 or Higher
- Apache 1.3.0 to 2.0.0 or Higher