https://builtwith.com/
BuiltWith Technology Lookup
Web technology information profiler tool. Find out what a website is built with.
technology lookupbuiltwith
https://www.wappalyzer.com/lookup/
Technology lookup - Wappalyzer
See the technologies behind any company website so you can qualify leads faster, personalize outreach, and enrich your CRM with technology, company, and...
technology lookupwappalyzer
https://theirstack.com/en
TheirStack | Technology Lookup & Hiring Signals
Discover companies by their tech stack and hiring signals. Track 32k technologies and 181M of job postings to identify and convert ready-to-buy leads.
technology lookuptheirstack