BuiltWith - Find out the technology behind websites
Awario Leads - A real-time social media feed full of targeted leads 🔥
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
Get Leads - Curated directory of 100+ websites to get freelance work.
What CMS - WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.
Scopeleads - Scopeleads is an intelligent email finder and business manager.