StackScan
BuiltWith
Wappalyzer
W3Techs
TheirStack
WhatRuns
Hunter.io
ZoomInfo
VadiBase
Apollo.io
TheirStack
LeadDelta
ZELIQ
Restimuli
Reverse Contact
Success.ai
StackScan helps businesses find and analyze websites based on the technologies they use or the keywords they target. Instead of manually researching websites one by one, users can instantly search across 100M+ domains and identify sites using platforms like Shopify, WordPress, WooCommerce, Webflow, and thousands of other technologies.
The platform provides practical filtering tools that allow users to narrow results by country, TLD, industry, or specific technology combinations. This makes it useful for building targeted lead lists, researching competitors, discovering niche markets, or identifying companies using certain software stacks for outreach and partnerships.
StackScan also supports bulk data downloads, keyword-based website discovery, and structured reporting to simplify large-scale research workflows. With continuously refreshed datasets and scalable search capabilities, it enables marketers, agencies, analysts, and growth teams to access actionable web intelligence quickly and efficiently.
Sustainability consultants and ESG SaaS providers waste hours researching companies with real ESG commitment. Building a qualified pipeline is slow, fragmented, and costlyโmost leads arenโt even ready to invest in sustainability.
VadiBase gives you instant access to a verified database of companies already committed to ESG. No more scattered spreadsheets or manual diggingโfind high-potential clients in minutes.
EcoVadis-Certified Focus
Advanced Search & Filtering
Real-Time Updates
One Platform, Endless Pipelines
All plans include full database access, advanced filters, detailed profiles, and real-time updates.
Ready to stop wasting time researching? Build your qualified pipeline with VadiBaseโaccess verified, EcoVadis-certified companies in seconds.
StackScan VadiBaseStackScan's answer
StackScan combines technology stack discovery and keyword-intent research in a single platform, allowing users to find websites not only by the tools they use but also by what they are targeting online. With coverage across 50,000+ technologies and 100M+ domains, it provides scalable, filterable, and export-ready web intelligence.
VadiBase's answer:
VadiBase is the only database exclusively focused on EcoVadis-certified companies, giving sustainability consultants and ESG SaaS providers instant access to thousands of pre-qualified prospects already committed to ESG. Instead of generic business directories, you get targeted access to firms with verified sustainability scoresโmeaning they're ready to invest, not just browse.
StackScan's answer
StackScan focuses on practical usability, broader stack coverage, advanced filtering, and scalable exports without unnecessary complexity. Users can quickly generate highly targeted datasets using filters like country, TLD, industry, and technology combinations, making research and lead generation faster and more precise.
VadiBase's answer:
VadiBase replaces hours of manual research across scattered tools with one unified platform. You get immediate access to EcoVadis-certified companies with detailed sustainability profiles, certification scores, and real-time updates. Generic databases make you hunt for ESG intentโVadiBase delivers verified, ready-to-buy prospects in minutes, boosting conversion rates while cutting research costs
StackScan's answer
StackScan is built for marketers, growth teams, agencies, sales teams, analysts, SaaS companies, and researchers who need structured web intelligence for prospecting, competitor analysis, market research, or technology adoption tracking.
VadiBase's answer:
VadiBase serves sustainability consultancies and ESG SaaS providers who need qualified pipelines fast. This includes agencies offering score optimization, supply chain audits, CSR reporting, carbon footprint analysis, and compliance servicesโplus B2B SaaS platforms selling sustainability management, ESG reporting, or environmental monitoring solutions to enterprise clients.
StackScan's answer
StackScan is used by agencies, SaaS businesses, growth teams, researchers, and data-driven organizations for lead generation, market intelligence, and competitive analysis across multiple industries.
VadiBase's answer:
StackScan's answer
StackScan was created to simplify the process of finding reliable website and technology data at scale. Existing solutions often felt limited, expensive, or difficult to use for targeted workflows, so StackScan was built as a practical and scalable platform that combines technology detection, keyword discovery, and bulk data access into one system.
VadiBase's answer:
After working with sustainability agencies, I kept seeing the same problem: finding qualified prospects took too long. Teams spent days manually researching companies with ESG commitments, checking certifications one by one, and building outdated spreadsheets. I created VadiBase to solve this bottleneckโgiving agencies instant access to thousands of verified, EcoVadis-certified companies so they can focus on closing deals instead of chasing data.
StackScan's answer
StackScan is built using modern web technologies, large-scale crawling systems, distributed data processing, and technology fingerprinting engines designed to analyze and structure massive amounts of web data efficiently.
VadiBase's answer:
VadiBase is built with modern web technologies optimized for data management and real-time updates. The platform uses scalable cloud infrastructure to handle thousands of verified company profiles, advanced search algorithms for precise filtering, and automated data pipelines to ensure regular updates and accuracy across the database.
While itโs still in early stage, its lifetime deal is really a great value. Must get if youโre into lead generation.
BuiltWith - Find out the technology behind websites
Apollo.io - Apolloโs predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
TheirStack - Find companies by the technology they use
W3Techs - W3Techs provides information about the usage of various types of technologies on the web.
LeadDelta - LeadDelta will help you to grow, manage, and engage your Linkedin connections. Cut through the noise and create new opportunities in your network.