aifora - Maximize profits with optimized and automated pricing and inventory management across all sales channels.

BuiltWith - Find out the technology behind websites

Competera - Competera is a price tracking tool for performance-oriented eCommerce retail and brands of all sizes worldwide.

Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.

Pricefx - Pricefx is the leading pricing software tool that helps users to manage their pricing strategy from gathering data and insights, to defining their plan, and finally to execution.

What CMS - WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.