Data Daily - Find your B2B leads on a private marketplace
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.
BuiltWith - Find out the technology behind websites
LeadRebel - Turning inbound traffic into B2B leads
What CMS - WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.