WordPress.com vs WordPress.org – what's the difference? WordPress is a free and open-source content management system (CMS) available for download at WordPress.org. Hetzner offers a free WordPress Appinstaller to quickly and conveniently set up WordPress on your hosting account. WordPress.com is a hosting. WordPress is a free and open-source content management system (CMS) based on PHP and MySQL. To function, WordPress has. Bloggers using the hosted WordPress.com service now have…