This add-on has excellent features and friendly UI. It is compatible with most versions of XenForo (2.0.x). Key features: Ability to create unlimited categories and nested categories for groups. | Ability to create unlimited custom fields for each category. Custom fields then will be shown in group details. | Show custom field position, data types, create PHP callback for Fields, | Ability to group members and easily manage member roles and permissions in group. | Events. Each group has ability to create their own events. | Sub Forums. | Avatar supported. Each group has ability to easily upload their avatar | Cover photos supported. Each group has ability to easily upload their cover | Display statistics for each groups. | Much more....