aiRedirectWww is a plugin that you can use it to automatically redirect your Joomla site from the domain using www to the domain without www, or the other way around.
2.0.21 is a security update. Please update your site as soon as possible. An AJAX driven Joomla! 1.5.x component to place a contact form anywhere on your web page with any number of custom fields of different types, including attachments. In the com ...
aiSobiProSearch it's a plugin that extends the core Joomla search function to SobiPro items and categories.
You can use aiMootoolsControl to control which version of mootools to load on each page of a Joomla site or deactivate mootools completelly, based on the component loaded on the page or with code added in an article or module.