If you are looking at running an Ecommerce site, you have several choices
If you're looking at running your own website, you could look at one of the following
A good comparison can be found at http://en.wikipedia.org/wiki/Comparison_of_shopping_cart_software
These applications typically need to be installed onto a server. These can be provided as dedicated servers, managed servers, virtual private servers or webspace (known as web hosting).
If you do not wish to get involved in the management of your servers or believe that somebody else might do it better, you could look at another company looking after the application. You could have a look at
Other services do exist which can do very well, for example ebay
You might also want to check out our web site services
We hope the 'Ecommerce' tool helps. If you have any suggestions, please contact us