Widgetop have launched a mobile edition optimized for iPhone of their Dashboard AJAX Widgets. The service provides hundreds of widgets organized in different categories. You can find almost everything from reading email, rss, weather, news, sport, shopping, fun, games, search … etc. Probably the first AHAX widgets engine ready for iPhone. Widgetop provides also an API to create new widgets and extend the system.

iPhone link: http://m.widgetop.com
Website : http://widgetop.com