WordPress is a cross-platform content management system. They claim that 17% of Web sites are now powered by the mentioned CMS, and that number continues to grow.
Content management systems are all the rage now because they make creating, maintaining and updating Web sites a breeze. All you have to do is write your content, then style it the way you want and the CMS would take care of everything from layout, navigation to publication. So instead of learning how to code and upload by yourself, you can now use a CMS to publish anything on your site