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Skrollr is a dependency-free scroll-driven animation engine and cross-platform frontend library. It functions as a toolkit for linking CSS properties and HTML attributes to scroll positions to create synchronized animations, specifically providing utilities for the interpolation of SVG attributes. The library enables the creation of parallax scrolling and interactive web storytelling by mapping scroll offsets to specific style values. It allows for the development of non-linear movement and dynamic SVG effects through the use of custom HTML attributes that define keyframes. The system covers
AOS is a scroll-triggered animation library that controls the execution, timing, and mapping of CSS transitions based on element visibility and browser viewport intersections. It functions as a DOM element animation controller and a viewport intersection trigger to initiate visual transitions as elements enter the screen. The library utilizes a custom CSS transition bridge to map scroll-based triggers to CSS class changes, enabling integration with external styling frameworks. It supports anchor-based animation triggers, allowing the visibility of one page element to act as the trigger point
Scrollama is a JavaScript library for scroll-driven storytelling that uses the browser's native IntersectionObserver API to trigger step-based callbacks and animations as the user scrolls through a page. It pins graphic elements using CSS sticky positioning while scrolling through associated text steps, enabling side-by-side narrative experiences without JavaScript-driven layout calculations. The library provides a configurable offset threshold system that accepts a single global offset or per-element data-attribute offsets to define the viewport position that triggers step events. It reports
ScrollTrigger is a JavaScript library and DOM scroll event manager designed to execute callbacks and toggle CSS classes when elements enter or exit the browser viewport. It functions as a high-level interface for the Intersection Observer API and a system for initiating visual transitions and asynchronous tasks based on an element's position relative to the viewport. The tool allows for the definition of precise trigger points using pixel or percentage offsets to control exactly when events fire. It manages scroll-driven visual animations and lazy loading implementations by tracking visibilit
ScrollMagic is a DOM scroll interaction framework and animation engine used to map scroll progress to callbacks and visual effects. It functions as a library for triggering animations based on a user's scroll position and the proximity of elements to the viewport.
The main features of janpaepke/scrollmagic are: Scroll Animations, Scroll Interaction Frameworks, Spatial Trigger Callbacks, Viewport Relative Tracking, Scroll-Position Event Triggers, Scroll Progress Mapping, Scroll-Driven Animation Tools, Viewport Coordinate Mapping.
Open-source alternatives to janpaepke/scrollmagic include: prinzhorn/skrollr — Skrollr is a dependency-free scroll-driven animation engine and cross-platform frontend library. It functions as a… michalsnik/aos — AOS is a scroll-triggered animation library that controls the execution, timing, and mapping of CSS transitions based… russellsamora/scrollama — Scrollama is a JavaScript library for scroll-driven storytelling that uses the browser's native IntersectionObserver… terwanerik/scrolltrigger — ScrollTrigger is a JavaScript library and DOM scroll event manager designed to execute callbacks and toggle CSS… brigade/react-waypoint — react-waypoint is a set of React components and wrappers designed to execute callbacks when specific DOM elements… locomotivemtl/locomotive-scroll — Locomotive Scroll is a JavaScript library and toolkit for managing DOM scroll interactions, featuring a smooth scroll…