In short, yes you can use Joomla for free. However, there are some limitations that you’ll need to be aware of. For example, you won’t be able to create custom templates or add custom modules. However, there are many free and paid extensions available that can remedy this.
PRO TIP: Joomla is a free and open-source content management system (CMS) for publishing web content. It is built on a model–view–controller web application framework that can be used independently of the CMS.
Overall, Joomla is a powerful and versatile content management system that can be used for a variety of purposes. However, be aware of the limitations and be sure to consult with a professional if you need help getting started.