1. Offer Assistant 220.127.116.11 by Billeo, Inc.
Shop smarter, save cash! Offer Assistant partners with you to find deals and promotions when you search for products via Bing, Google, or Yahoo! Offer Assistant flags listings within your search results where discounts and promotions are available.
2. AddonFox – Best Firefox Addons! 1.1.5 by Linkular LLC
Automatically install the best Firefox addons! Includes over one hundred hand-picked addons from the following categories: Customization, Downloads, Fun, Languages, Media, Programming, Security, Privacy, Social, and Visual. Easily choose which addons you want and get them installed all at once.
3. AmazonAssist 0.7.2.5 by Amazon.com
Official Amazon.com add-on. AmazonAssist helps you search Amazon.com as you search the web and delivers product information to your browser when you need it. Access product details, ratings and latest prices from anywhere on the web.
4. InvisibleHand 3.0.2 by trafficbroker
Automatically get the lowest price when you shop online or search for fights. InvisibleHand shows a discreet notification when a better price is available on a product or flight you’re shopping for. Covers over 220 retailers in the US, UK & Germany.
5. Amazon Toolbar 2.11 by Amazon.com
Official Amazon Toolbar. Amazon toolbar is a free search and navigation tool that accompanies you as you surf the web, providing an easier and faster way to navigate Amazon.com without interrupting your web browsing.
6. Add to Amazon Wish List Button 1.3 by Amazon Wish List
The Amazon Wish List Firefox Add-On is an indispensable tool for Amazon Wish List users. It provides an Add to Wish List button that allows you to add any item from any website to your Amazon.com Wish List. When you navigate to a product page on any website the button will animate and show a + badget, as a subtle reminder that the item can be added to your Wish List.
NOTE: If you use any of these Amazon sites (amazon.co.uk, amazon.de, amazon.ca, amazon.fr, amazon.co.jp) go to your Wish List on the relevant site to see details on how to add an Add to Amazon Wish List button to any browser.
7. WindowShopper – Automatic Price Comparison Addon for Firefox 18.104.22.168 by Superfish Team
Instantly compare prices, find deals, and see similar items as you shop. Works on over 110 million products in 4,100 online retailers (including Amazon, eBay, Sears, Newegg.com and Google Shopping).
8. eBay Sidebar 2.1.6 by eBay Inc.
Official eBay add-on. Keep an eye on your eBay activity wherever you are on the web when you install the eBay Sidebar for Firefox. It’s a free tool built with eBay users in mind that will help you get more out of your buying and selling on eBay.
View price history charts and add price drop alerts while surfing Amazon. Always get the lowest price.
10. PriceGong – Automatic Price Comparison Addon for Firefox. 2.1.0 by PriceGong Software Ltd
PriceGong detects the product you are looking for and automatically searches thousands of vendors for more deals and better price. PriceGong also shows you coupons for the site you are visiting, allowing you to use those coupons while you purchase.
11. Snip It! Button for eBay 1.5.3 by Piotr “Korba” Tomczyk
Sniping is, generally speaking, placing bid in on-line auction in the closing seconds. Of course, if you have superb Internet connection, exact watch, nerves of steel and the free time excess, you can do it manually. Snip.pl is an on-line auction sniper, it automates the last second bidding process and frees you from the trouble of remembering the ending time of each auction you want to bid on. Snip It! button lets you instantly schedule snipes at Snip.pl while browsing eBay, without the hassle of entering item ID by hand. Snip.pl is working for over 8 years, it won over 7 million eBay auctions.
12. PriceTrace 1.3.5 by PriceTrace.com
One-Click comparison shopping!
- – Do price comparison among well-known online stores like Amazon, Newegg, Walmart and more.
- – View product price history chart.
- – Subscribe price drop alert.
- – Find filler items at online stores.
13. RetailMeNot 2.4 by retailmenot
Never miss a bargain again. Automatically informs you of sites that retailmenot.com users have shared discount coupon codes for.
14. Grocery List Generator 2.1.3 by Captain Caveman
The GLG (Grocery List Generator) is a helpful little tool to store your recipe-ingredients and other groceries you need regularly. It creates a well-organized grocery list to help make your grocery shopping as easy as possible.
15. Woot! Watcher 1.9.6a by Will McSweeney
See all 5 Woot! sites (plus Moofi) in real time (ideal for Woot-Offs) with all the info you could want in a small, sleek layout.
16. Groupon Button 0.1.20110131 by linked8 apps
Clicking on this button on Firefox navigation bar leads you to Groupon page which shows Today’s Deal (and all side deals) of your customized city. The Groupon page will open in current tab