This Product is made to as simple as, for more follow the link

Drupal is a free and open-source content-management framework written in PHP and distributed under the GNU General Public License. It is used as a back-end framework for at least 2.1% of all Web sites worldwide ranging from personal blogs to corporate, political, and government sites. It is also used for knowledge management and business collaboration.

We develop different projects for clients on drupal  at our place 540 E Young Ave, Suite J, Warrensburg, MO 64093.