Albacross - The world's first free B2B Lead Generation Network. Albacross help companies master their B2B digital marketing with Lead Generation and targeted marketing

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.

Hunter - Find all the email addresses related to a domain

WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.