Largest open-source library of interactive Tailwind CSS components and ready-made blocks
Free tree testing tool for testing information architecture
Stage
Not given
Established
Founded
Not given
2021
Based in
IN
Not given
Pricing model
Freemium
Free
Pricing
Free open-source library on GitHub. Paid plans: Monthly $24, Yearly $144, Lifetime $199 (Designer Plus). Figma Designer Lifetime plan $89.
Free for unlimited tree testing and card sorting studies, unlimited participants and responses, and full analysis. Participant recruitment through UXbeam's panel starts at $1 per participant-minute.
Key features
300+ Tailwind UI components
1100+ Tailwind blocks
15+ Tailwind templates
1500+ SVG icons
Full Figma design system
1000+ webpages and sections inspiration
Works with Tailwind CSS v4.1
Supports all major browsers
Monthly updates and new components
Unlimited tree-testing studies and participants
Leading-task detection to catch biased wording
Path replay visualization of participant navigation
Task outcome breakdown into direct, indirect, and elsewhere
Full-scenario completion tracking across multiple tasks
Mobile-compatible participant experience
Integrated card sorting with tree testing workflow
Multiple valid destinations per task
Iterative testing with versioned results
Complete CSV export of participant-level results
What makes it different
Largest open-source library with 12000+ components, icons and variants
Copy and paste code directly into projects
Pay once, use forever lifetime access
Usable for commercial and SaaS projects
No credit card required and truly unlimited at no cost
Built-in methodological safeguards prevent common research mistakes
One-screen setup lets researchers create tests in minutes
Mental Model Detection identifies competing ways different user groups organize content
AI-assisted participant recruitment with audience targeting
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