PriceCute - Keep up with your competition's pricing on Amazon
OPERA Property Management System - OPERA Cloud Services is an enterprise platform for hotel operations and distribution.
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
ShopFor20 - ShopFor20 is a platform dedicated to finding cool, unique and practical gifts for under $20.
Pricy - Amazon price watch
Cool Shit You Can Buy - Cool Shit You Can Buy is a website dedicated to the cool and diversified products.