Joomla is a free and open-source content management system (CMS) for creating and managing websites and web applications. It is written in the PHP programming language and uses a MySQL database to store content. Joomla is widely used for business websites as it offers a wide range of features, including user management, online forums, online shopping, and more. With its user-friendly interface, it enables users to create complex websites without any prior coding or technical knowledge. It also offers a wide range of themes and templates to customize the look and feel of the website. Additionally, it is SEO friendly and supports multiple languages, making it an ideal choice for businesses wanting to reach a global audience.
Wordpress is fully customizable and you can add many themes and extensions.