What is WordPress?
Very Simple yet very interesting question..What is WordPress???
Wordpress is a free blogging and Website content management system. Its open source and written in PHP. WordPress is based on MYSQL. Its flexible customizable platform that give power to build great sites.
Its Architechture consist of plugins that you can use to implement builted functionalities in your website or blog.
Many known and famous websites uses wordpress platform check it here https://wordpress.org/showcase/
Wordress is probably the easiest CMS in world , Over 10% of worlds wesbite is using wordpress.
Released : May 27, 2003
Founders : Matt Mullenweg and Mike Little
Price : Free (Under GPLv2 or later)
Difference Between wordpress.com and wordpress.org
Wordpress.com gives you a online hosted CMS that will assist you with themes and plugins.
Wordpress.org will provide you file system of wordpress which need to be installed by your own in a hosting , you have to be a code handy to use this .