Lead Generation Tool

Find Companies by Their Tech Stack & Keywords

Generate precise B2B prospect lists using AI-powered tech stack detection and keyword filters. Get verified data, enriched company information, and CRM-ready exports for your sales team.

Define Your Search Criteria

Use technology detection and keyword filtering to find companies that match your ideal customer profile. Our AI-powered lead generation engine scans millions of websites in real-time.

Processing time: This may take several minutes depending on your filters. You'll be redirected to a tracking page where you can monitor progress in real-time.

Precision Targeting

Use technology-based lead generation to find companies by their tech stack. Combine multiple technologies and keywords for precise B2B prospecting automation.

B2B Lead Enrichment

Get verified email addresses, detected technologies, languages, location data, and enriched company information for each prospect.

CRM-Ready Data Export

Download results as CSV exports ready for import into your CRM, sales automation tools, or email marketing platforms.

How Renifler Finds Companies by Technology

Renifler uses AI-powered technology detection to scan millions of websites and identify their tech stacks in real-time. Our technology-based lead generation engine analyzes frontend frameworks, backend technologies, CMS platforms, hosting providers, and third-party services.

Find Companies Using Specific Technologies

Want to find companies using React? Or find companies using WordPress? Our AI lead finder makes it simple. Just search for the technology you're interested in, and we'll show you all websites using that tech stack. You can combine multiple technologies to find companies using specific combinations—perfect for targeting customers with exact technology requirements.

Combined with keyword-based filtering, you can find companies that mention specific topics, industries, or use cases. This sales prospecting automation approach helps B2B sales teams identify warm leads faster than traditional methods.

Each lead includes B2B lead enrichment data: verified email addresses, detected technologies, website languages, geographic location, and company links. All results are CRM-ready data exports available as CSV downloads.

Ready to start? Use our technology detection tool to discover what technologies power any website, or explore our pricing plans for unlimited lead generation.

Get Verified Emails and Enriched Company Data

Every lead generated through Renifler includes comprehensive B2B lead enrichment to save your sales team time and improve outreach effectiveness.

What You Get With Each Lead

Verified Email Addresses: Real, working email contacts extracted from company websites and professional sources. Our AI lead finder validates emails before adding them to your list.
Complete Tech Stack: Full technology profile showing frontend frameworks, backend languages, CMS, hosting, and third-party services. Perfect for find companies using [technology] searches.
Company Information: Website URL, title, languages detected, country, and region data for geographic targeting.
Relevant Links: Important pages, social profiles, and contact links discovered during the scan.
Matched Keywords: See exactly which keywords matched, helping you understand why each lead was included in your results.

All this enriched data is exported as CRM-ready data exports—formatted CSV files ready for direct import into Salesforce, HubSpot, Pipedrive, Outreach.io, or any CRM system. No manual data cleaning required.

Why B2B Sales Teams Use Renifler

Sales Prospecting

Find companies using specific tech stacks with our AI lead finder. Our technology-based lead generation helps you identify warm leads based on technology requirements. Perfect for B2B outreach campaigns.

Competitive Analysis

Use our technology-based lead generation to discover who else is using technologies in your industry. Find competitors and analyze their tech stack choices.

Market Research

Identify trends by find companies using [technology] searches. See adoption patterns and technology preferences across industries.

Lead Qualification

Filter prospects with sales prospecting automation. Use technology and keyword filters to qualify leads before outreach, saving time and improving conversion rates.

Pro Tips for Better Lead Generation

•Use keywords to find websites mentioning specific topics or industries. For example, search for "ecommerce" or "SaaS" to find companies in those sectors.
•Combine technologies to find companies using specific tech stacks. Want to find React users? Search for "React". Check our technology detection tool first to see what any website uses.
•Use exclude filters to remove unwanted results and refine your search. Exclude common technologies you don't want to see in your B2B lead lists.
•Toggle between "any" and "all" modes to control matching logic. "Any" finds sites matching at least one criteria, "all" requires all selected filters.
•Export and integrate: Download CSV files for direct import into Salesforce, HubSpot, Pipedrive, or any CRM. All data is CRM-ready and formatted for sales automation.

Need more features? Check out our pricing plans for unlimited searches and advanced B2B lead enrichment options.