OurHarvest - Where farmers market meets online grocery
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Local - Find Amazon products locally.
Pricy - Amazon price watch
Locale - Locale helps content owners and translators work together, so Rails developers are free to write more code
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.