Awesome GitHub RepositoriesScroll State Controllers

react-use is a collection of reusable state and effect hooks for managing common logic in React applications. It serves as a comprehensive library for implementing state management patterns and wrapping various browser APIs into consistent hook interfaces. The project provides a specialized toolkit for DOM interaction and browser API integration, allowing components to track element dimensions, manage cookies, and monitor hardware sensors. It includes a suite of animation and timing utilities for physics-based numeric interpolation and frame-synced state updates. Beyond basic state managemen

fullPage.js is a JavaScript full-screen scrolling library and layout engine used to create websites composed of vertical sections and horizontal slides that snap to the viewport. It provides a system for organizing web content into full-screen pages with automatic snapping behavior. The library distinguishes itself through a WebGL transition framework and visual storytelling tools, enabling cinematic effects such as 3D rotations, parallax backgrounds, fading, and water distortion during navigation. It also features a responsive adaptation system that can switch from automatic snapping to stan

react-virtualized is a library of components for rendering massive lists and tables by drawing only the elements visible in the viewport. It provides specialized layout managers including a windowed grid component and a dynamic height list manager. The project includes a masonry layout engine for packing items of varying heights and widths, as well as an infinite scroll interface for incrementally fetching and appending data. The library covers a broad range of virtualization capabilities, including frozen grid elements, reverse list rendering, and synchronized viewport scrolling. It also su

SmartRefreshLayout is a pull-to-refresh framework and gesture interaction library for Android. It provides a scroll view wrapper that integrates interactive refresh headers and loading footers into mobile user interfaces, coordinating synchronized scrolling and touch events. The project features a pluggable architecture for custom refresh indicators and secondary refresh mechanisms. It utilizes damping-based gesture translation and overscroll rebound mechanisms to manage the tactile feel of drag resistance and physics-based animations. The library covers a broad range of interaction logic, i

GSAP is a comprehensive JavaScript animation library designed for orchestrating complex motion sequences and interactive user interfaces. It provides a robust property-interpolation engine that calculates intermediate values for CSS styles, attributes, and numeric properties, enabling smooth visual transitions across web elements. The framework is built on a core architecture that manages animation lifecycles, timeline-based sequence orchestration, and virtual property interception to ensure precise control over motion. The library distinguishes itself through a modular, plugin-based extensib

Livewire is a full-stack framework for PHP that enables the development of reactive, dynamic user interfaces using server-side classes and templates. By bridging the gap between server-side logic and client-side DOM updates, it allows developers to build interactive web applications without writing custom JavaScript. The framework operates as a component-based library, where modular units encapsulate interface logic, state, and event handling directly on the server. The framework distinguishes itself through a reactive architecture that automatically synchronizes state between the browser and

This project is a cross-platform user interface framework that maps mobile-native component primitives to standard web elements. It enables developers to build consistent applications that function across both mobile and web environments by providing a unified library of components and shared logic. The framework distinguishes itself through a specialized style engine that converts JavaScript object-based declarations into optimized, scoped CSS at runtime. It also features a responsive layout engine that implements a flexbox-based system, ensuring that interfaces adapt dynamically to differen

Readest is a comprehensive digital reading platform designed to manage, annotate, and consume electronic books across multiple devices. It functions as a versatile library manager and reading environment, supporting a wide range of user needs from standard ebook consumption to specialized study and accessibility-focused workflows. The platform distinguishes itself through advanced features like parallel text study, which enables side-by-side document rendering with synchronized scrolling, and a robust text-to-speech engine that provides hands-free reading with synchronized visual highlighting

Vue.js Client-Side Router is a routing library that maps browser URLs to Vue.js components to enable the creation of single-page applications. It functions as a navigation engine that manages browser history and URL state to allow page transitions without full browser reloads. The system utilizes a nested route manager to render hierarchical views that match complex URL structures. It includes navigation guard middleware to intercept, validate, or redirect route transitions before components are rendered. A client-side history handler synchronizes application state with the browser URL using

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

React-window is a frontend performance optimization library designed to render large datasets in React applications. It implements virtualization techniques to manage long lists and complex tabular data by dynamically mounting and unmounting elements based on the current viewport. By limiting the number of active document nodes, the library maintains interface responsiveness when handling thousands of data entries. The library distinguishes itself through a focus on efficient layout calculations and scroll-driven reconciliation. It uses absolute positioning and predefined dimensions to determ

SwifterSwift is a collection of Swift extensions designed to reduce boilerplate code during the development of iOS and macOS applications. It provides a library of pre-made utilities that extend the standard library and system frameworks to streamline data manipulation, system integration, and user interface optimization. The project provides specialized tools for a wide range of development tasks. This includes image processing and binary translation, text string manipulation, and complex data management for arrays, strings, and dictionaries. It also offers utilities for network request mana

This project is a cross-platform UI library for React Native designed to build messaging interfaces. It provides a comprehensive set of specialized components, including message bubbles, input toolbars, and layout containers, to facilitate the development of chat applications on iOS and Android. The library distinguishes itself through a highly flexible configuration interface that allows developers to override default elements and styling to meet specific branding requirements. It includes built-in support for complex interaction patterns such as swipe-to-reply gestures, quick-reply buttons,

mui is a mobile UI component framework and native-like web UI kit designed for building high-performance mobile web interfaces. It functions as a mobile web performance framework and gesture-based interface library to eliminate browser lag and mimic the behaviors and animations of native mobile applications. The framework focuses on implementing common mobile UX patterns, including pull-to-refresh functionality, swipe-to-action menus, and sliding side navigation. It provides specialized tools for gesture-driven interface development to ensure an immediate visual response to touch interactions

Lenis is a lightweight JavaScript library designed to provide fluid, momentum-based scrolling experiences for web interfaces. It functions as a frontend utility that decouples visual scroll position from the browser's native state, allowing for custom easing and duration while preserving standard browser accessibility, search functionality, and layout measurement tools. The library distinguishes itself by normalizing input from mouse wheels and touch gestures into a unified stream, ensuring consistent physics across different devices. It operates by intercepting native scroll events and apply

iscroll is a JavaScript smooth scrolling library and web interaction framework. It provides a 2D web panning controller and a CSS transform zoom engine to manage inertial scrolling, panning, and zooming for web elements across different devices. The project enables the implementation of custom scrollbar interfaces and navigation maps that track the current viewport position. It supports the creation of interactive web carousels with element snapping, web parallax effects, and content scaling via pinch-to-zoom or mouse-wheel inputs. The library covers a broad range of interaction capabilities

This project is a comprehensive library of reusable React hooks designed to simplify browser API integration, state management, and component lifecycle tracking. It provides a declarative interface for managing complex browser interactions, allowing developers to encapsulate imperative logic into modular, composable functions that integrate directly with the component lifecycle. The library distinguishes itself by offering specialized utilities for asynchronous data orchestration, including built-in caching, retry logic, and loading state management. It also features advanced performance opti

nuqs is a TypeScript library for managing React component state through the browser's URL query string. It provides a type-safe hook-based approach that synchronizes component state with the address bar, enabling shareable and bookmarkable application states. The library handles parsing and serializing URL query parameters into typed JavaScript values, supporting integers, floats, booleans, dates, and custom types with bijectivity verification. The library distinguishes itself through its comprehensive approach to URL state management, combining batch URL updates that merge multiple parameter

This library is a headless virtualization engine designed to optimize performance for large-scale list and grid rendering in Vue applications. By mounting only the elements currently visible within the viewport, it minimizes browser operations and memory usage, allowing interfaces to remain responsive even when handling massive datasets. The engine distinguishes itself through a headless layout abstraction that decouples virtualization logic from specific markup, enabling the creation of custom interfaces without enforcing rigid container styles. It features automatic, dynamic size calculatio

This project is a cross-platform mobile carousel component for creating swipeable image and content sliders. It functions as a virtualized list component that maintains performance by removing off-screen elements and utilizes a native-driver animation library to map scroll offsets to style properties on the native thread for lag-free transitions. The library provides a parallax image gallery capable of shifting images relative to scroll progress to create a sense of depth. It also features a layout system that supports right-to-left orientations for languages such as Arabic and Hebrew. Capab