Patr - Pats Flickr App is a collection of useful tweaks and enhancements to Flickr.com; it can be installed as a Google Chrome extension. It show a full-sized version of any photo on a dark background without having to follow links to other sites, or leave the photo page.
The WOT add-on is a crowd-sourced enhancement to your browser protection
It is a browser add-on which lets you search via your favorite search engine
