Agora Shopping Cart is actually only one Open Source product offered by Agora and it is a good one. The shopping cart and catalog can be completely customized to exactly match your requirements thanks to the use of CSS files. This also enables you to change the look and feel of your entire site in just a few minutes and with just one or two changes.

Managing Your Inventory: Categories and products are again unlimited and the flexibility is astounding. As well as being able to add as many categories and as much merchandise as you like, you can manage virtually every aspect of each category. Products can also be handled individually or in batches. You can change the display of products according to their categories, enabling longer descriptions, more images or many other variables. You can even change the design according to the "department" that your customers are viewing.

Payment Options and Summary: All major offline and online gateways are supported. This includes AgoraPay, set up and maintained by the same company. PayPal integration is also supported. Agora Cart is a very good shopping cart system that can hold its own against Open Source and commercial packages. The community regularly holds competitions to find the best add-ons for the cart, proving that a vibrant and helpful support network exists.

Source: http://www.ecommerce-guide.com/solutions/article.php/3668061