Today I’ve added a complete list of the SEO Tools to Alledia.com. I believe its the only place online where all of these are gathered together in one easy-to-read list.
These are all extensions that I feel can safely be recommended for use with Joomla. Each one helps improve search engine optimization on your Joomla site in at least one key way. Some, such as JPromoter and JoomSEO are included in several categories. Each category is listed alphabetically.