Wappalyzer

Wappalyzer is a browser extension that uncovers the technologies used on websites. It detects content management systems, web shops, web servers, JavaScript frameworks, analytics tools and many more.

Free Open Source Windows Linux Mac Chrome Firefox

BuiltWith

BuiltWith shows what tools, widgets, and languages are being used to show webpages and webapps, and does so in a concise, categorized format.

Freemium

WhatRuns

WhatRuns offers browser extensions that give you information on the technology being used on websites you visit. WhatRuns uses a proprietary recognition algorithm to detect even the latest web technologies and plugins.

Free Web Chrome Firefox

SiteStacks

sitestacks by siftery is a helpful tool for discovering the technologies used by various websites.

Free Web

TheWebMiner

TheWebMiner is a smart way to research internet to find leads or to make a market research. You can find websites after you add any needed filter.

Freemium Web

Similar Tech

Similar Tech bring powerful marketing, sales and market-research tools by crawling the web and analysing the technologies behind any site.

Commercial Web

Shraga

Cross platform, cross browser, multi purpose tool for web developers, designers & webmasters.

Free Web

Allora.io Leads

Allora helps you search for your competitor's tech, download the list of your prospect customers and turn them into your customers! Allora was built for startups.

Freemium Web

SiteFinger

Quickly find out what software a particular website is using by analyzing server headers, DNS records, and page content and comparing it to our proprietary fingerprint...

Free Web

What CMS

WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.

Free Web