Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.

CouponFollow Cently - Coupons at Checkout is a browser plugin for Chrome, Firefox, Internet Explorer, and Safari that...

Price Tracker by Relbis Labs - Price Tracker is a command-line tool for monitoring the prices of productsFeaturesTracking prices and availability of products.Tracking Amazon Kindle books.Displaying products information in a terminal.Exporting data into Excel and YAML files.

Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.

GlassIt.co - Find discounts, without invasion of your privacy. Download Glass It Price Tracker mobile app or browser extension 🇺🇸

Wikibuy - Find lower prices at other sellers while you shop on Amazon