Coupofy - Coupofy is USAs number 1 trustworthy deals and coupons website.
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
LoveSales - Find and save products you love, get alerted when they go on sale.
Pricy - Amazon price watch
TrackIf - Alerts you if the price of your favorite products drop
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.