Technology Search Companies Lead Lists

castr.com

Analyzing castr.com

Discover the technology stack of any website. Find similar companies, track industry trends, and generate leads based on tech usage.

Free SEO Tools

Keyword Research
Search Volume Checker
Difficulty Checker
Competitor Keywords
Tech Lookup
AI Tools Directory
Industry Keywords
Tech Comparison
View All →

Popular Technologies

Bootstrap
Tailwind CSS
Google Analytics
jQuery
Twitter Cards
Lazy Loading
Google Tag Manager
Google Fonts
PHP
Font Awesome
View All →

Tech Categories

Analytics & Marketing
JavaScript Libraries
E-commerce & Payments
Frontend Frameworks
CMS
Advertising
Email Marketing
Privacy & Consent
Reviews
A/B Testing
View All →

Industries

Tech Services
Marketing
Fintech
Finance
Biotech
Analytics
AI
Hospital/Healthcare
SaaS
Construction
View All →

Top Cities

New York
San Francisco
London
Los Angeles
Paris
Chicago
Austin
Boston
Toronto
View All →

Countries

🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
🇮🇳 India
🇫🇷 France
🇦🇺 Australia
🇩🇪 Germany
🇦🇺 Australia
🇳🇱 Netherlands
View All →

Company Size

Startups
Small Business
Mid-Market
Enterprise

By Traffic

1M+ Visits
500K-1M Visits
100K-500K Visits
50K-100K Visits

Comparisons

React vs Vue
Next.js vs Nuxt
AWS vs Cloudflare
Stripe vs Braintree
Shopify vs WooCommerce
Vercel vs Netlify
HubSpot vs Marketo
WordPress vs Webflow
Tailwind vs Bootstrap
Angular vs React
View All →

Alternatives

React Alternatives
Vue.js Alternatives
Next.js Alternatives
Angular Alternatives
Tailwind CSS Alternatives
WordPress Alternatives
Shopify Alternatives
Stripe Alternatives
AWS Alternatives
Vercel Alternatives

Top 10

Top 10 React Websites
Top 10 Next.js Websites
Top 10 Vue.js Websites
Top 10 WordPress Websites
Top 10 Shopify Websites
Top 10 Tailwind Websites
Top 10 TypeScript Websites
Top 10 Stripe Websites
Top 10 Cloudflare Websites
Top 10 Vercel Websites

Funding Stage

Series C+
Series B
Series A
Seed
Bootstrapped

Resources

Chrome Extension
Pricing
About Us
Privacy Policy
Terms of Service
Support

Other Products

Reveal Meta Ad Spend

Launch ads 10x faster

Transcribe YouTube

Transcribe TikTok

Free podcast transcripts

GeneratorBot.com

100+ free tools

Company Revenue Data

© 2026 TechList.ai. All rights reserved.

Company Database Lead Lists Technology Search