Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
Gazelle.ai - Gazelle.ai is an AI-powered business intelligence and lead generation platform that helps businesses make data-driven decisions and find new leads by providing actionable insights and recommendations.
BuiltWith - Find out the technology behind websites
RampedUp - RampedUp offers data appending, data cleansing and account based selling solutions for Salesforce.com
WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.
Zint - Zint is a top-of-the-line sales intelligence platform that makes it easier for businesses to find and track their most important prospects.