YoRapid.com Search Extension - Firefox Addon is a search engine designed to search files in various file sharing and uploading sites with Online File Availability Checker.
Don't browse thousands of message boards and blogs for file links to locate any type of downloadable file ever uploaded to various file sharing site
guiGoog - Firefox Addon - The guiGoog add-on makes it even easier to search Google through guiGoog.com
Use guiGoog's simple user interface rather than cumbersome boolean queries.
Tap into Google's advanced search functionality with simple 1-click filters
Scroogle SSL search - Firefox Addon lets you search with Google anonymously.
On a personal level, your support for Scroogle says that search engines should not be tracking you and retaining this information indefinitely. Not only does Google scrape much of the web, but they keep records of who searches for what
Unleash the power of search like never before. By re-ranking search results "on the fly," as the search is being conducted, Surf Canyon helps you find what you need faster and more efficiently
Product Seeker Search - Product Seeker Search is a fast, easy and effective way to find the best deals on products. Sort your search results by Best Match, Price Low to High, Price High to Low, Product Rating or Store Rating. The Product Seeker Search add on for Firefox makes finding the best deals easier than ever
UC Berkeley Library Search (University of California Berkeley) - Firefox Addon - Search the full catalog by title, author, subject, keyword etc.
The University of California, Berkeley's 32 constituent and affiliated libraries together make it the fourth largest academic library in the United States, surpassed only by the Library of Congress, Harvard, and Yale
Qrobe.it searches Google, Bing and Ask simultaneously. Advanced features like infinite scrolling for both web and image searches, ability to peek into websites and images, keyword suggest... Quick access to Google's Safe Browsing, Twitter, Facebook
