I'd like to create a multi-level vertical menu, similar to this website: https://thestocks.im/. Source: over 1 year ago

ScrollMagic (14.8k ⭐) — A library for creating scroll interactions with JavaScript and CSS. It can trigger animations based on scroll position and pin elements within the viewport. It has over 11K stars on GitHub. - Source: dev.to / about 1 month ago

Several libraries and frameworks can help with this task, such as ScrollTrigger, ScrollMagic, Framer Motion, and the good ol’ Intersection Observer API. These tools provide more options and flexibility to create complex and interactive scroll-driven animations with ease. - Source: dev.to / 6 months ago

By checking their source code, it looks like they're using DrawSvgPlugin for the SVG animations and ScrollMagic for the animations when scrolling. I'd start by checking these two libraries. Source: 12 months ago

One library is called https://scrollmagic.io/ but you'll find plenty of tutorials and videos that implement this kind of scrolling. Source: about 1 year ago

ScrollMagic (there's a scrollMagic port for react too). These libraries take advantage of the intersection observer API (a standard built-in js web api). You may also be interested in the scroll event. Source: over 1 year ago