Modules for Joomla 3.0 and newer releases. Some of them might be compatible with older versions of Joomla!
Install as any other Joomla module.
Available parameters:
Similar Tags with introtext and images module displays on a Joomla 3.* powered site the title, introtext and introtext image (if exist) of other content elements with similar tags.
The Dropdown Tags Module displays all tags in the site in a dropdown menu linked to Joomla's tag specific page. You can see the demo on the right area, there are two different instances, showing the possible uses of the module.