It's very important before you begin reviewing software and services to be to be very specific in what you actually want the cart to be able to do. It may be that you really don't require all the bells and buzzers offered by high end packages - if this is the case, then a good package will cost around the $US180 .
Some companies offer free shopping carts, but bear in mind that nothing in this world is truly free - read the fine imprimer.

One of the best free ecommerce solutions around is Oscommerce, an online shop e-commerce solution under on going development by the open source community. Its feature packed out-of-the-box installation allows store owners to setup, run, and maintain their online stores with minimum effort and with absolutely no costs or license fees involved.

Another powerful ecommerce solutions is Zen CartT , free, user-friendly, open source shopping cart system. The software is being developed by group of like-minded shop owners, programmers, designers, and consultants that think e-commerce could be and should be done differently.
Some "solutions" seem to be complicated programming exercises instead of responding to users' needs, Zen CartT puts the merchant's and shopper's requirements first.
Similarly, other programs are nearly impossible to install and use without an IT degree, Zen CartT can be installed and set-up by anyone with the most basic computer skills .

CubeCart is an eCommerce script written with PHP & MySQL. With CubeCart you can setup a powerful online store as long as you have hosting supporting PHP and one MySQL database.

AgoraCart is a powerful online shopping / e-commerce solution that offers a wide range of out-of-the-box features that allows online stores to be setup in simple fashion for the beginner, yet it offers high power ecommerce, flexibility, and modular features that an experienced programmer or web designer will appreciate after seeing AgoraCart's full potential.
AgoraCart is available for free as an Open Source based e-commerce solution released under the GNU General Public License

	Apple Cart http://www.spads.com/
	Freedom Networking Solutions http://www.freedomnetworking.com/
	CyberOffice http://www.smartwin.com.au/
	SalesCart http://www.salescart.com/
	@Retail http://www.atretail.com/
	Veracart http://www.veracart.com/
	Cf_EZcart http://www.cf-ezcart.com/
	ShopSite http://www.shopsite.com/
	.Net Cart http://www.dotnetcart.com/
	CatalogIntegrator http://www.catalogintegrator.com/
	NetStores http://www.netstores.com/
	Ansurweb http://www.ansur.net/
	AACart http://www.aacart.com/
	eCOMpal http://www.ecompal.com/
	Makeastore http://www.make-a-store.com/
	Cart Manager http://www.cartmanager.net/
	SecureNetShop http://www.securenetshop.com/
	OneWorldStore™ http://www.oneworldstore.com/
	Comersus http://www.comersus.com/
	MyCart http://www.mycart.net/
	Virtual Store 2000 http://www.vs2000.net/
	ProCart http://www.procart.com/
	Smart Cart http://www.smartcart.com/
	Click Cart Pro http://www.clickcartpro.com/
	King Cart Services http://www.king-cart.com/
	Glue on Software http://www.glueonsoftware.com/
	Credit Card Store http://www.creditcardstore.com/
	Money Cart http://www.moneycart.com/
	Nation Cart http://www.nationcart.com/
	Express Cart http://cart.merchantexpress.com/
	Sell Cart http://www.sellcart.com/
	LiveMerchant http://www.bbdesign.com/
	Miva Merchant http://www.miva.com/
	UltraCart.com http://www.ultracart.com/
	QuickCart.com http://www.quickcart.com/
	Nitrous Cart http://www.netsyncro.com/
	MyWebSiteTool.com http://www.mywebsitetool.com/
	EasyCart http://www.easycart.com/
	Portline http://www.portline.com/
	VirtualShop http://www.virtualshop.co.uk/
	StoreFront http://www.storefront.net/
	ViperCart V3 http://viper.advanticsdevelopment.net/
	Zoovy e-commerce http://www.zoovy.com/
	Mal's e-commerce http://www.mals-e.com/
	EasyStoreCreator http://www.easystorecreator.com/
	Advanced Cart v2 http://www.bsmstore.com/
	CustomCart http://www.christiansen.biz/
	ShopFactory http://www.shopfactory.com/
	SightShop http://www.SightShop.com/
	Agile Cart http://www.eastland.com/
	Side Street Shop http://www.sidestreetshop.com/
	ITeTools http://www.itetools.com/
	CCTranMan http://cheapdevtools.com/
	SunShop Shopping Cart http://www.turnkeywebtools.com/
	BIZyCart http://bizycart.com/
	StoreFront http://www.decentrix.com/
	ECmerchant 5.5 http://www.ecware.com/
	PowerStoreASP http://www.powerstoreasp.com/
	Power Shop Cart http://www.leecorp.com/
	CartMonster http://www.monstersoftware.com/
	Power Service Cart http://www.leecorp.com/
	Priusant http://www.priusant.com/
	osCommerce http://www.oscommerce.com/
	CartFusion http://www.tradestudios.com/
	BillThru http://www.billthru.com/
	CMS ECart https://secure.safecms.com/cart/
	WebShopz http://www.webdzinz.com/
	SCartServer http://shopping.scartserver.com/
	NMS Deluxe Shopping Cart http://www.netmemberservices.com/
	QuickEStore http://www.quickestore.com/
	ProductCart http://www.earlyimpact.com/
	NetPurchase http://www.signupname.com/
	X-Cart http://www.x-cart.com/
	VP-ASP Shopping Cart http://www.vpasp.com/
	Ecommerce Templates http://www.ecommercetemplates.com/
	B2I Shopping Cart http://www.atbagsend.com/
	1ShoppingCart.com http://www.1shoppingcart.com/
	IonStore http://www.blackjacket.net/
	BigeBag http://www.bigebag.com/
	RomanCart http://www.romancart.com/
	ecomnow http://www.ecomnow.com/
	Zen CartT http://www.zencart.com/
	Comdev eCommerce http://www.comdevweb.com/ecommerce.php
	JShop Server http://www.jshop.co.uk
	Pinnacle Cart http://www.pinnaclecart.com
	Squirrelcart http://www.squirrelcart.com
	digiSHOP http://digishop.sumeffect.com
	CubeCart http://www.cubecart.com