PriceCute - Keep up with your competition's pricing on Amazon
Digital inspiration - Digital Inspiration is a popular how-to website that covers computer software, mobile apps, video...
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.
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Cross - Find the best Amazon price in the world
Pricy - Amazon price watch