Open-source alternatives to Effeckt.css

Hover is a collection of pre-defined CSS3 animations and reusable stylesheets for links, buttons, and images. It serves as a web UI animation kit and a library of styles written in CSS, Sass, and LESS to provide visual feedback when a user hovers over an element. The library includes specialized interactive effects that simulate tactile behaviors, such as page curls and the rendering of speech bubbles. It also provides a set of animation primitives to manipulate backgrounds, borders, shadows, and glow effects to simulate depth and elevation. The project covers a wide range of element motion

This project is a jQuery plugin and animation extension that enables hardware-accelerated CSS3 transitions and transformations. It serves as a wrapper that shifts animation logic from script-based updates to native browser style transitions. The library provides tools for managing the scale, rotation, and orientation of page elements. It uses relative-value coordinate calculations to handle element movement and maps generic transformation properties to browser-specific vendor prefixes. The capability surface covers high-performance visual effects, including the management of timing and easin

particles.js is a JavaScript particle animation library and visual effects engine used to create interactive, canvas-based simulations for web interfaces. It enables the generation of dynamic background animations and networked visual effects through coordinate-based particle movements. The library features a system for drawing connecting lines between particles based on proximity to create network-style visualizations. It includes mechanisms for mapping mouse movements and click events to specific particle behaviors, such as attraction or repulsion. Users can configure particle density, opa

bounce.js is a JavaScript library and programmatic wrapper for generating and applying CSS3 keyframe animations and 3D transformations. It provides a tool for creating complex animation sequences without the need to write manual stylesheet rules. The library allows for the creation of animations by chaining scale, rotation, translation, and skew transformations. These generated sequences can be saved under unique names for reuse across multiple elements. The system manages the animation lifecycle through callback functions that trigger when a visual sequence completes. It also includes a com

Velocity is a JavaScript animation library used to create high-performance CSS and SVG animations. It functions as a CSS property interpolator and a spring physics engine, enabling the creation of smooth visual transitions and organic movement for web elements. The project provides a programmatic interface for modifying vector attributes and 3D transformations through its SVG animation framework. It further distinguishes itself as an animation sequence orchestrator, allowing for the chaining of movements and the staggering of start times across multiple elements using promises. The library c

This repository is a comprehensive collection of reference implementations and sample libraries for the Universal Windows Platform. It provides practical examples of how to use Windows Runtime APIs to build cross-device applications, including detailed guidance on XAML-based declarative user interfaces and DirectX-integrated rendering. The project distinguishes itself by providing a wide array of hardware integration suites, covering low-level communication with USB, Serial, I2C, SPI, and GPIO peripherals. It includes specialized implementations for mixed reality holographic rendering, advanc

move.js is a JavaScript motion engine and CSS3 animation framework designed to animate DOM elements. It functions as a DOM animation library that changes visual element properties and colors over time. The library serves as a CSS bezier easing controller, using cubic-bezier curves to manage animation acceleration and deceleration. It enables sequential motion design, allowing multiple visual steps to execute in a specific order. The framework covers the animation of element properties such as position, rotation, scale, skew, and colors. It provides capabilities for UI component transitions a

Animsition is a CSS page transition library and frontend motion framework designed to create fluid visual effects, such as fades and zooms, between web pages. It functions as a DOM navigation animator that manages the timing and sequence of page removal and insertion to provide continuous movement between screens. The system operates as a page overlay animator, utilizing a coordinate-based slide controller to move covering elements across the screen in specific directions. These overlays mask background changes during transitions to maintain visual continuity. The framework leverages hardwar

Pixi.js is a high-performance 2D graphics engine used to render interactive animations, sprites, and visual effects in web browsers. It functions as a WebGL 2D rendering engine and HTML5 graphics library designed to produce high-performance two-dimensional visuals. The project operates as a 2D sprite framework and a web-based visual effects engine, providing tools to apply filters, blend modes, and masks to real-time graphics. It also serves as an interactive web canvas API for handling multi-touch and mouse input to build responsive graphical user interfaces. The framework covers a broad se

This is a comprehensive library of code examples and reference implementations for building cross-platform user interfaces with Flutter. The project provides a collection of demo applications and guides designed to illustrate the implementation of design patterns, animation techniques, and testing workflows. The repository features specific demonstrations for native integration, including examples of embedding modules into existing native applications, using platform channels, and bridging native code with the framework. It also serves as an animation reference, providing implementations for

Pow is a suite of specialized toolkits for SwiftUI that provides structured implementations for animations, particle systems, and multi-sensory user feedback. It includes a visual feedback framework, an animation library, and a dedicated particle system. The project provides a rendering context for particle effects that avoids clipping by parent view boundaries. It also includes a haptic and audio feedback kit designed to trigger physical vibrations and sound effects in response to state changes within a user interface. The library covers a range of interface enhancements, including 3D rotat

AndroidViewAnimations is an animation library and visual effects toolkit for Android applications. It provides a framework for implementing motion effects, such as bouncing, sliding, and rotating transitions, for views within Android layouts. The library features a collection of predefined motion presets and stylized transition effects. These include curated sequences for shaking and pulsing to guide user attention, as well as complex movements like hinging or rolling for interface entry and exit. The toolkit covers a wide range of visual effects, including linear slides, elastic bounces, tr

This project is a cross-platform mobile animation library and component wrapper that enables movement and style transitions for mobile UI elements. It functions as a keyframe animation engine and a preset motion library, allowing developers to apply visual effects to components through a declarative API. The library provides a set of built-in entrance, exit, and alert effects for rapid implementation. It also supports the definition of custom motion sequences and unique keyframes to create repeatable, branded visual experiences. The system covers a range of motion capabilities, including the

WOW is a JavaScript library and frontend animation controller that triggers CSS animations when elements enter the browser viewport during scrolling. It functions as a viewport trigger engine, managing the timing and execution of visual transitions for both static and dynamic page content. The library integrates scroll events with CSS animations and effects from libraries such as Animate.css. It utilizes intersection observers to monitor viewport entry and mutation observers to track and apply animation triggers to new elements added to the DOM after the initial setup.

This project is an open-source video production suite and non-linear video editor. It provides a multi-track timeline for cutting, splicing, and arranging video and audio clips with frame-level precision, serving as a comprehensive workspace for video post-production. The suite includes specialized tools for keyframe animation, allowing for the creation of 2D and 3D visual effects and motion graphics. It also features a multi-track audio mixer for blending sound sources and adjusting levels to accompany visual content. Capability areas cover a full post-production workflow, including color c

Lottie is a JSON vector animation engine and cross-platform player that renders resolution-independent motion graphics. It functions as a runtime renderer that translates Adobe After Effects compositions into real-time animations using a JSON-based intermediate representation. The project distinguishes itself by enabling dynamic control over vector assets at runtime. It allows for the programmatic modification of animation properties, colors, and playback states through hierarchical key-paths and dynamic theming. This allows animations to respond to real-time application state changes and use

Webstudio is a visual CMS and website builder that provides a visual development environment for designing and publishing websites. It functions as an AI-powered design tool, a REST and GraphQL API client, and an atomic CSS compiler. The platform distinguishes itself through generative AI capabilities for creating layout variants and refining visual styles from text prompts. It integrates a headless CMS workflow that maps external data sources to visual components and utilizes a specialized compiler to convert design tokens into deduplicated atomic CSS for optimized page load speeds. The sys

AniJS is a JavaScript animation library and DOM element animation engine used to orchestrate visual transitions and motion effects on HTML elements. It functions as a tool for composing animated web components, such as modals and menus, to improve the visual flow of user interfaces. The library utilizes a declarative approach to web interface animation, allowing for the application of visual styling and motion effects without requiring manual code for every transition. It enables the creation of interactive UI components that respond to user actions through a system of triggered element anima

SpinKit is a UI component library and CSS animation library focused on providing a collection of animated loading indicators and spinners. It serves as a set of lightweight visual transitions designed to create motion and feedback within web interfaces. The library implements these indicators using pure CSS rendering and keyframe animations to notify users of active background processes. It uses a class-based styling system and minimal HTML structures to render visual cues without relying on scripts or images. Appearance can be adjusted through CSS variables and custom styles to modify color

This project is a collection of themes, layout customizers, and automated installers for Visual Studio Code designed to create a dark-mode workspace aesthetic. It provides a set of dark color palettes and syntax highlighting configurations alongside a CSS UI customizer for modifying the editor's internal interface elements. The toolkit enables a modern visual design characterized by deep dark backgrounds, floating glass-effect panels, and rounded interface geometries. It utilizes custom stylesheets to alter panel radii, gaps, and sidebar margins, while adding interactive animations such as ho

This project is a curated collection of galleries and component libraries that demonstrate pure CSS visual effects, 3D transforms, animation patterns, and layout solutions. It serves as a visual catalog of interactive UI elements and graphics built exclusively with HTML and CSS. The collection distinguishes itself by implementing complex interactivity, such as state management and animation triggers, using only CSS pseudo-classes and keyframes without any JavaScript. It also features a system for generative art and algorithmic patterns, as well as spatial 3D constructions using perspective an

Magnific-Popup is a JavaScript lightbox library and frontend UI component used to display images, videos, and remote HTML content within a responsive overlay window. It functions as a responsive media gallery, providing a dimmed background to focus viewing on specific content. The library distinguishes itself through its ability to fetch and render remote HTML via asynchronous AJAX requests and its support for thumbnail zoom transitions. It includes a gallery system that groups multiple media items with directional controls, progress counters, and background preloading of adjacent assets to e

Material is a mobile user interface framework designed for building responsive and consistent native applications. It provides a declarative component architecture that allows developers to construct complex interfaces through modular, self-contained elements that manage their own state and rendering logic. The framework distinguishes itself through a constraint-based layout engine that calculates component geometry by solving spatial relationships between elements, ensuring layouts adapt automatically to varying screen sizes. It also features a hierarchical design system that propagates styl

React is a JavaScript library for building user interfaces based on a component-driven architecture and unidirectional data flow.

Folding-cell is a React animation component designed as a collapsible content cell. It functions as an expanding UI element that toggles between a collapsed and expanded state to reveal hidden information. The component implements animated content disclosure using a paper-like transition. It is designed for interactive UI components and mobile layouts, allowing compact lists or grids to expand into detailed views without navigating to a new page.

:dizzy: TransitionEnd is an agnostic and cross-browser library to work with transitionend event.

dynamics.js is a physics-based JavaScript animation engine designed to create spring and bounce animations. It utilizes the browser animation frame loop to ensure motion is synchronized with the refresh rate. The engine includes tools for animation debugging, allowing users to slow down or freeze active motions to tune parameters. It also features a timing mechanism that executes callbacks synchronized with the animation frame rate to prevent visual stuttering. The project provides a physics solver based on mass, stiffness, and damping constants. Additionally, it includes a utility for apply