Description:

osCommerce is an open source 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 no costs
involved.

osCommerce combines open source solutions to provide a free and
open development platform, which includes the powerful PHP web
scripting language, the stable Apache web server, and the fast
MySQL database server.

With no restrictions or special requirements, osCommerce is able
to run on any PHP3 or PHP4 enabled web server, on any environment
that PHP and MySQL supports, which includes Linux, Solaris, BSD,
and Microsoft Windows environments

osCommerce is also known as "The Exchange Project".