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Build stunning user interfaces with these battle-tested component libraries. Both options are copy-paste friendly, giving you full control to customize while saving hours of animation work.

React Bits

110+ animated React components with minimal dependencies

Aceternity UI

200+ free components with Tailwind CSS and Framer Motion

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React Bits

React Bits provides 110+ animated React components perfect for creating visually impactful portfolios and landing pages without reinventing animation logic.

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Key features

  • Text animations - Typewriter effects, gradient animations, and dynamic text
  • Particle backgrounds - Interactive particle systems and visual effects
  • Interactive effects - Hover animations, scroll-triggered effects, and transitions
  • Minimal dependencies - Lightweight with extensive prop customization
  • Full source access - Modify and customize unlimited components

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Available variants

Choose the variant that matches your project setup:

JavaScript + CSS

Pure JavaScript implementation with vanilla CSS

JavaScript + Tailwind

JavaScript with Tailwind CSS utilities

TypeScript + CSS

Type-safe TypeScript with vanilla CSS

TypeScript + Tailwind

TypeScript with Tailwind CSS (recommended)

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Pricing and license

React Bits is free for commercial use under the MIT license. Use it in hackathon projects, personal portfolios, or production applications without restrictions.

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How to use

1

Browse components

Visit reactbits.dev and explore the component gallery.
2

Select your variant

Choose your preferred tech stack (JS/TS + CSS/Tailwind).
3

Copy the code

Copy the component code directly from the website.
4

Paste and customize

Add to your project and customize props to match your design.
React Bits components work great for portfolios and landing pages that need to make a visual impact quickly. Perfect when judges need to see something impressive in the first 10 seconds.

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Aceternity UI

Aceternity UI offers 200+ free copy-paste components built with modern tools like Tailwind CSS and Framer Motion. These components feature smooth transitions and professional animations that significantly improve user experience.

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Key features

  • Animated modals - Dialog boxes with smooth enter/exit animations
  • Expandable cards - Interactive card components with expand effects
  • 3D effects - Depth and parallax effects for modern UIs
  • Smooth transitions - Professional animations between states
  • Highly customizable - Modify any aspect despite being ready-made
  • Tailwind CSS - Utility-first styling for rapid customization
  • Framer Motion - Industry-standard animation library

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Component categories

Eye-catching landing page headers with animations, gradients, and call-to-action elements. Perfect for making strong first impressions.
Responsive card layouts with hover effects, expandable content, and grid systems. Great for showcasing features or portfolio items.
Styled form components with validation states, animations, and accessibility features.
Particle effects, gradient animations, mesh backgrounds, and visual flourishes to enhance any page.

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How to use

1

Install dependencies

Ensure you have Tailwind CSS and Framer Motion installed in your project:
npm install tailwindcss framer-motion
2

Browse components

Visit ui.aceternity.com and find the component you need.
3

Copy and paste

Copy the component code directly into your project.
4

Customize styling

Modify Tailwind classes to match your design system.

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Pricing

All Aceternity UI components are completely free. No premium tier, no hidden costs. Just copy, paste, and customize.

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When to use what

Use React Bits when...

  • You need creative animations and visual effects
  • Building portfolios or personal websites
  • Want minimal dependencies
  • Need full source code control

Use Aceternity UI when...

  • You want polished, professional components
  • Already using Tailwind CSS and Framer Motion
  • Need stunning visuals that judges will remember
  • Want to save hours on CSS animation work

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Best practices for hackathons

Don’t reinvent the wheel - Judges care about functionality and innovation, not whether you wrote every animation from scratch. Use these libraries to ship faster.

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Quick tips

  1. Start with a template - Pick a component and customize it rather than building from scratch
  2. Test on mobile - Both libraries are responsive, but always verify on actual devices
  3. Keep it simple - Don’t over-animate. One or two standout effects > ten competing animations
  4. Performance matters - Test load times. Remove unused components before deploying
  5. Accessibility first - Ensure animations don’t cause motion sickness (provide reduced motion options)

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Component selection strategy

Use Aceternity UI’s hero sections and gradient backgrounds. Add React Bits text animations for headings.
Use Aceternity UI cards and navigation. Keep animations subtle for better usability.
Combine both! React Bits for creative effects, Aceternity UI for consistent layout components.
Focus on Aceternity UI modals and expandable cards to showcase features interactively.

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Example integration

Here’s how you might combine both libraries in a hackathon project: 
import { AnimatedCard } from './components/aceternity/AnimatedCard';
import { TypewriterEffect } from './components/reactbits/TypewriterEffect';
import { ParticleBackground } from './components/reactbits/ParticleBackground';

function LandingPage() {
  return (
    <div className="relative min-h-screen">
      {/* React Bits particle background */}
      <ParticleBackground />
      
      <div className="relative z-10 container mx-auto px-4 py-20">
        {/* React Bits text animation */}
        <TypewriterEffect 
          words={["Build", "Ship", "Win"]}
          className="text-6xl font-bold"
        />
        
        {/* Aceternity UI cards */}
        <div className="grid grid-cols-3 gap-6 mt-12">
          <AnimatedCard title="Feature 1">
            Lightning-fast deployment
          </AnimatedCard>
          <AnimatedCard title="Feature 2">
            AI-powered insights
          </AnimatedCard>
          <AnimatedCard title="Feature 3">
            Real-time collaboration
          </AnimatedCard>
        </div>
      </div>
    </div>
  );
}
This combination gives you the best of both worlds: React Bits for eye-catching effects and Aceternity UI for consistent, professional components.

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