animation

Pencil2D is an easy, intuitive tool to make 2D hand-drawn animations. Pencil2D is open source and cross-platform.

Inochi2D SDK - Bring your characters to life

cubic-bezier implementation for your JavaScript animation easings – MIT License

Open source C++ physics engine library in 3D

🔔 A flutter package to create cool and beautiful text animations. [Flutter Favorite Package]

JavaScript microlibrary to split an element by words, characters, children and more, populated with CSS variables!

This is a library having a collection of different types of CSS loaders, spinners

🗿 Mini jQuery alternative. Dependency-free animations. Locality of Behavior. Use one element or arrays transparently. Pairs with htmx. Vanilla querySelector() but better!

The Apple® Siri wave-form replicated in a JS library.

[SIGGRAPH 2025] One Model to Rig Them All: Diverse Skeleton Rigging with UniRig

watching-you is a javascript library for building animations that watch anything on DOM 👀.

Ride-Sharing Uber Lyft Android App - Learn to build a ride-sharing Android Taxi Clone App like Uber, Lyft - Open-Source Project

A simple, physics-based animation library 🎼

SpriteKit Floating Bubble Picker (inspired by Apple Music) 🧲

Rx Visualizer - Animated playground for Rx Observables

Provides login screen with login/signup functionalities to help speed up development

Animated typing in ~400 bytes 🐡 of JavaScript

Popup menu component for React Native

The fastest TypeScript animation engine on the web

An android library which provides a compact calendar view much like the one used in google calenders.

Flutter runtime for Rive

DawnTransition is a lightweight iOS transition framework for smooth, customizable animations and native-like interactive swipe-back gestures. It solves common gesture conflicts in custom transitions and is proven in real projects.

Universal motion design principles for AI agents — timing, easing, choreography, and Disney animation principles adapted for UI

Simple and flexible, css only, content placeholder loading animation. https://zalog.github.io/placeholder-loading/

Completely reworked and improved C++ version of Advanced Locomotion System V4.

Pixel art editor made with Zig

Element.scrollIntoView ponyfills for things like "if-needed" and "smooth"

Pulse animation for iOS

Fast and simple in-app notifications for React Native

movy.js is a client-side JS animation engine for creating explanatory videos.