PriceBlink!

InvisibleHand discreetly notifies you if the product or flight you’re shopping for is available more cheaply from another retailer or travel site. The notification provides a convenient link straight to the relevant page on the competing website.

Shoptimate.com lets you compares prices of multiple items at once and shows you which item to buy where to save the most. Including shipping costs.

Ciuvo is a browser add-on which finds the best deal for you! It enhances your web experience by presenting contextually relevant information in real-time. It provides not just with the best price but also with relevant videos, pictures, customer reviews and availability near your location!

hopshop.us evolved from a simple concept - to allow serendipitous discovery of great stores and great products online. Often people discover new stores and products while simply walking around the mall. Unfortunately, this isn't the case when shopping online. Search engines display results from a small number of stores, and that limits the shopper's number of options.

I regularly checking this out now.

When viewing a product on Amazon, Price Snoop will show you just how much it costs on the other Amazon stores and allow you to navigate between them with a single click.

Review Kick is a free platform to connect online shoppers with awesome discounts on Amazon products. In exchange for honest Amazon reviews, users get access to thousands of discounted products.

Coupons at Checkout is a browser plugin for Chrome, Firefox, Internet Explorer, and Safari that finds coupons from across the web for you. When you're about to buy a product from a shopping website, this add-on will automatically show you available coupons at checkout.

Shop smart and shop fast at Shopzilla! Read reviews, compare prices, and get the right product at the right price every time.

Traditionally, people search for the coupon or tries to find the best deal before they make an online purchase. But unfortunately, there are numerous coupon websites to search for, and besides picking the best coupon is also a hassle.

Prisync is a competitor price tracking software for e-commerce companies of all sizes from all around the world.It helps companies to automatically track their competitor prices and adjust their own prices vs. competitors in a smarter way and helps them to increase their sales and profit margins.Prisync displays all the competitive data it gathers from the market on its cloud-based web dashboard along with Excel exporting capabilities. It also sends e-mail alert when a price change is detected.Companies can also further integrate with Prisync's data by using its seamless API. »

Compare prices and find the best price for an lcd tv, digital camera, and other consumer electronics on PriceSpider, a comparison shopping site.

YouTellMe.com is the leading online shopping price comparison site in India. Compare prices of Mobiles, Electronics, Home & Kitchen Appliances from 30+ stores.