DeeperWeb.com is an innovative search engine tool and an essential addon for Google users. DeeperWeb is integrated into Google web search results and is available for Internet Explorer and Mozilla Firefox browsers. DeeperWeb boosts searching by employing Tag-Cloud techniques to help users navigate through search results more efficiently and uses Topic-Mapping-Technologies for fast results identification.
This is a great list of add-ons for use with the Firefox browser. I have a number of them installed in my browser and for me are the primary reason for choosing Firefox as my primary browser. Video Downloader and Last Pass are two of my faves.
WooFunnels Aero Checkout allow to create High Converting Sales Funnels For WordPress by building customisable checkout templates and beautiful wooCommerce checkout pages that convert.