Discover Which Companies Use Any Technology

WhoIsUsing helps you identify companies using specific technologies, frameworks, and tools. Perfect for sales prospecting, competitive analysis, and market research.

React
Salesforce
Shopify
AWS
Stripe

Why Choose WhoIsUsing

📊 Comprehensive Database

Access data on thousands of technologies across millions of websites and companies. Our database is constantly updated to ensure accuracy.

🔍 Advanced Filtering

Filter results by industry, company size, location, and more to find exactly the companies you're looking for.

⚙️ Company Tech Stacks

See the complete technology stack for any company. Understand what they're using from frontend frameworks to backend infrastructure.

📈 Technology Trends

Track adoption trends for technologies over time. See which tools are gaining popularity and which are falling out of favor.

📤 Export & Integrate

Export data to CSV or integrate with your CRM through our API. Seamlessly incorporate tech intelligence into your workflow.

🔔 Custom Alerts

Get notified when companies adopt or drop specific technologies. Stay on top of changes in your target market.

Be the First to Know When We Launch

WhoIsUsing is currently in development. Sign up to be notified when we launch and get early access to our platform.