GSAP

The professional-grade JavaScript animation library: high-performance, cross-browser, and wildly robust.

GSAP (GreenSock Animation Platform) is the industry-standard animation suite for the modern web, trusted on over 12 million sites. It’s a framework-agnostic library, delivering extreme performance: up to 20x faster than jQuery. You can animate nearly anything JavaScript can touch (CSS, SVG, React, WebGL, etc.), and the core API provides superior sequencing and control. Key plugins like ScrollTrigger enable complex, jaw-dropping scroll-based effects with minimal code, ensuring your animations are reliable and consistent across every major browser.

https://gsap.com/