1. Greensock
A JavaScript library for building high-performance animations that work in every major browser
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2. VelocityJS
Velocity is a lightweight animation engine with the same API as jQuery's $.animate()
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3. Lax.js
Simple & lightweight vanilla javascript plugin to create smooth & beautiful animations when you scroll!
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4. Rellax.js
A buttery smooth, super lightweight, vanilla javascript parallax library
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5. three.js
An easy to use, lightweight, 3D library with a default WebGL renderer.
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6. wow.js
Reveal Animations When You Scroll.
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7. Chocolat.js
Free lightbox plugin.
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8. Animate on Scroll
Animate on scroll library to reveal animations when You scroll.
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9. TiltJS
A tiny requestAnimationFrame powered 60+fps lightweight parallax hover tilt effect for jQuery.
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10. Rough Notation
Rough Notation is a small JavaScript library to create and animate annotations on a web page
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11. tsParticles
A lightweight library for creating particles, an improved version of the abandoned and obsolete particles.js
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12. Particles.js
A lightweight JavaScript library for creating particles
13. mo.js
The motion graphics toolbelt for the web
14. Lightbox2
A small JS library to overlay images on top of the current page.
15. Slick
Fully responsive carousel
16. Barba.js
Create fluid and smooth transitions between your website’s pages.
17. Locomotive Scroll
A simple scroll library that provides detection of elements in viewport & smooth scrolling with parallax.
18. Owl Carousel
Free responsive jQuery carousel
19. SwiperJS
Free, Open Source, Modern Slider without jQuery. Available for Vanilla JS and all modern frameworks like React, Vue, Angular etc.
20. Splide
Free, pure JS library for carousels and sliders
21. Simple Parallax
The easiest way to get a parallax effect with javascript
22. Kute.js
KUTE.js is a JavaScript animation engine for modern browsers.
23. Granim.js
Create fluid and interactive gradient animations with this small javascript library.
24. Popmotion
Simple animation libraries for delightful user interfaces.
25. Vivus
Vivus is a lightweight JavaScript class (with no dependencies) that allows you to animate SVGs, giving them the appearence of being drawn.
26. Typed.js
A JavaScript Typing Animation Library.
27. Progress Bar JS
Responsive and slick progress bars with animated SVG paths.
28. AnimeJS
Lightweight JavaScript animation library with a simple, yet powerful API.
29. AniJS
A Library to Raise your Web Design without Coding
30. Remotion
This is not an animation library per se but you can use this to make videos by writing Javascript code.