Free Alternative to Wappalyzer
Detect website technologies instantly with StackSense - a completely free, privacy-focused Chrome extension. No paid plans, no limitations, no tracking.
Web Builder
Webflow, Framer
Framework
React, Vue.js
CMS
WordPress, Ghost
StackSense vs Wappalyzer
A transparent comparison for developers
StackSense
- ✓ Always Free - No paid upgrades
- ✓ No Tracking - Your privacy is protected
- ✓ No Account - Use immediately
- ✓ Unlimited Lookups - No restrictions
- ✓ Simple Interface - Clean and minimal
- ✓ Open Source - Fully transparent
- ✓ Lightweight - Minimal resource usage
- ✓ No Ads - Clean experience
Wappalyzer
- ✓ Free Version - With limitations
- ✗ Paid Plans - $250/month for full features
- ✗ Limited Lookups - Restrictions on free tier
- ✓ Technology Database - Large signature database
- ✓ API Access - For paid subscribers
- ✓ Email Alerts - Technology change notifications
- ✓ Lists & Reports - Advanced features
- ✗ Upsell Prompts - Frequent upgrade suggestions
Why Developers Choose StackSense
Built for developers, by developers
Privacy First
Unlike Wappalyzer, we don't track your browsing. All analysis happens locally. No data leaves your browser.
Truly Free Forever
No hidden features, no paid plans, no premium tiers. Everything is free, forever. No catch.
Simple & Fast
One click to see results. No complex menus, no unnecessary features. Just instant technology detection.
Developer-Focused
Designed for developers who need quick answers while browsing, without distractions or upsells.
What Technologies Does StackSense Detect?
Comprehensive coverage of modern web technologies
JavaScript Frameworks
React, Vue.js, Angular, Svelte, Next.js, Nuxt.js, Gatsby, Astro
Website Builders
Webflow, Wix, Squarespace, Framer, Dorik, SwipePages, TypeDream, Unicorn Platform
E-Commerce Platforms
Shopify, WooCommerce, BigCommerce, Magento
Content Management Systems
WordPress, Ghost, HubSpot, Superblog
Common Use Cases
How developers use StackSense
Competitive Research
Analyze what technologies your competitors are using without visiting external tools.
Client Discovery
Quickly assess potential client websites to understand their tech stack before proposals.
Learning & Research
Study how successful websites are built to learn new technologies and patterns.
Tech Audits
Get instant insights into website architecture during code reviews and audits.
Try the Free Wappalyzer Alternative Today
Join developers who've made the switch to a simpler, privacy-focused technology detector.
Install StackSense - It's FreeNo registration • No limitations • No tracking
Frequently Asked Questions
Will StackSense always be free?
Yes. StackSense is committed to being 100% free forever. We won't introduce paid features or premium tiers.
How does StackSense compare to Wappalyzer's free version?
Unlike Wappalyzer's free tier, StackSense has no lookup limits, no tracking, no upsells, and no feature restrictions. Everything is available to everyone.
Does StackSense detect as many technologies as Wappalyzer?
StackSense focuses on the most commonly used modern web technologies including frameworks, builders, CMS platforms, and e-commerce solutions. We're constantly adding more detectors based on user feedback.
Can I use StackSense for commercial projects?
Yes, absolutely. StackSense is free for personal and commercial use without any restrictions.
Does StackSense work offline?
Yes. All detection happens locally in your browser, so it works even without an internet connection.
Why should I trust StackSense?
StackSense is open source. You can review the code yourself to see exactly what it does. We collect no data and make no external requests.