E-commerce with Joomla
Although Joomla is used for a large number of hobbyist web sites, with the proper extensions it can become a phenomenal commercial platform for e-commerce. On the web, e-commerce has become big business—particularly for B2B (or business-to-business) transactions. To tap into the worldwide customer base that the Internet makes available, you can configure your Joomla site to allow for online purchases or catalog display.
A particular open source e-commerce solution is called VirtueMart. VirtueMart is a popular web store application with over 600 registered online stores that use its technology to offer online shopping.