VaultWiki allows your existing forum users to collaborate on creating and managing a site's content pages. VaultWiki is a fully-featured and fully-supported wiki solution for vBulletin and XenForo.
The VaultWiki Team encourages you to join our community of forum administrators and check out VaultWiki for yourself.
thank you ^^
https://www.vaultwiki.org/groups/3/
Last Update April 7, 2013