Nossa amigo, existem vários: Remository, Docman, Phoca Downloads, Rokdownloads, etc...
[url=http://extensions.joomla.org/extensions/directory-a-documentation/downloads:1uu68808][color=#0080FF:1uu68808]http://extensions.joomla.org/extensions/directory-a-documentation/downloads[/color:1uu68808][/url:1uu68808]
( ^ ^)
