Pricepeek - Compare prices of the same product across all Amazon locales
SPS Commerce Analytics - SPS Commerce Analytics helps transform messy item and sales data into insights to help meet consumer demand and boost profit.
Savings.com - Compare prices at local stores & discover the best deals
Wiser - Share relevant content w/in your organization.
The Mac Index - Compare Apple product prices in different countries
RQ - RQ by iQmetrix is a cloud-based retail management system for your business that allows you to manage every aspect of your business from inventory, staff, and sales.