Shopping mall class of open source code, you can use ECShop free open source online store system or ThinkPHP?shop open source mall system to do, of course, there are many online theme templates can be used.
ECShop is more suitable to do a simple online store system, individuals or businesses to sell products with;
and TP?shop can be used to develop operators, suppliers, purchasers, users, such as distribution, multi-oriented, multi-functional mall system, but the development of the difficulty will be a little higher, the operating costs will increase.