AceSEF is a flexible and powerful Joomla! SEF URLs, Meta Tags and Sitemap generator with an easy-to-use graphical user interface that simplifies the management of your site's SEO rank.

Main Features:
* Easy-to-use graphical user interface translated in 19 languages
* Written according Joomla! 1.5 Framework & MVC Standarts
* Written 100% in modular way
* 3rd party extensions installation, upgrade and management
* 170 extensions avaliable for 3rd party components
* Sitemap (XML) for ALL components without plugin obligation
* Basic URL rewriting, no plugin obligation to make SEF URLs for 3rd party components
* Joom!Fish support for multilingual sites, translated URLs
* Joom!Fish compatibility for all extensions
* Managed automatic Meta Tags generation for ALL components
* Advanced SEF URL rewriting methods management
* Supports Joomla! 1.5 router.php files
* Duplicated URLs management
* Unique numerical URLs option for duplicated URLs
* 100% accurated pagination for ALL components
* Alias option for ALL components
* Advances URL filtration in backend
* Migration from sh404SEF or JoomSEF without losing old SEF URLs
* Automatic version checker for component and extensions
* Upgrade page without need of uninstallation
* Customisable 404 page
* Extended Google News numbering options
* Unicode (UTF-8) URLs

Check the following URL for more information:
http://www.joomace.net/joomla-extensions/acesef