Truonglv - Social Groups 3.6.3

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....

Group Category: many options available to manage groups:

• Required minimum tags which groups must be provide.
• Default set group privacy, only apply to newly created groups.
• Manage user group permissions to create groups in categories.
• Manage user group permissions to view groups inside the category.