👜 Callbag listenable source which emits value describing time progress (number between 0 an 1) since the subscription (using requestAnimationFrame) - useful for animations.

A robust collecction of functional utilities that can speed up you development workflow. Some examples of functions are createTimeline, interpolate, easedInterpolate, lerps, easeIn, easeOut, getBounds, getWidtth, getHieght and many more. This iscludes ope

This library retrieves easing-function for CSS property.

sass variables for CSS3 easing equations Edit

Combination of Mozilla and Chromium implementations of Bezier Curves used for animation interpolation for Javascript

Implementation of progressbar.js in React with ES6

Easily animate your HTML elements on scroll. This library was built on top of GSAP animation library.

an useful pure function library

Framework-agnostic scroll engine powering react-kino

XiHan.UI motion primitives — easing, tweening, frame loop, reduced-motion preference, closed-form springs and a Web Animations wrapper.

A library of reusuable easing functions

动画算法

A node for node-red that animates a value between a start and end value using an easing function.

macOS Genie mesh-warp for the web. One config, vanilla / React / Vue / Svelte.

Element.scrollIntoViewIfNeeded ponyfill that can animate the scrolling

Lightweight counter animation library that detects and animates all numbers within any string — including integers, decimals, and comma-formatted values like '1,500,344' or '34.67%'. Supports scroll-triggered or immediate start, repeat on re-entry, custom

react rolling numbers onscroll

Frame-based motion and Robert Penner-style easing tweens for any JavaScript object property (TypeScript, ES modules).

Pure js smooth scrolling for modern browsers.

Motion primitives for gentleduck/ui components.