Twe-Commerce is an Open Source based online shop e-commerce solution that is available for free under the GNU General Public License. It features a rich set of out-of-the-box online shopping cart functionality that allows store owners to setup, run, and maintain their online stores with minimum effort and with no costs, fees, or limitations involved. Twe-Commerce combines Open Source solutions to provide a free and open e-commerce platform, which includes the powerful PHP web scripting language and the fast MySQL database server. With no special requirements, Twe-Commerce is able to run on any PHP 4.1+ enabled web server running on Linux, Solaris, BSD, Mac OS X, and Microsoft Windows environments.