How to build a community website with Joomla! Created July 19, 2021 Category Joomla! Joomla! is a good CMS choice if you want to build a community website, and there are several extensions listed on the Joomla! Extension Directory (JED). One of the most popular Joomla! community extensions is Community Builder. It’s well established and has many 3rd party extensions. Another well-supported Joomla! community extension is JomSocial which also has a good selection of 3rd party extensions. If you need help with your HostPapa account, please open a support ticket from your dashboard.