Open-source alternatives to Flash List

Gestalt is a type-safe React UI component library and design system. It provides a collection of reusable interface elements and design tokens that follow international accessibility standards to ensure usability for people with diverse needs. The framework includes a responsive web layout system with defined breakpoints and grid containers that adapt interfaces for desktop, mobile, and tablet devices. It features an internationalized component suite that supports multiple languages, regional color schemes, and right-to-left text orientations. The library covers a broad range of interface ca

This project is a collection of reference implementations and sample applications for Flutter. It provides practical examples covering API integration, user authentication, data persistence, and a gallery of UI patterns. The repository distinguishes itself by offering a wide array of functional demos, including implementations for Google and email-based identity verification, cloud database synchronization, and the use of both relational and key-value local storage. It also includes specialized utility examples such as expense tracking, tip calculation, and body mass index tools. The project

Naive UI is a comprehensive TypeScript user interface library and component set designed specifically for Vue 3 applications. It provides a type-safe framework for building web interfaces, featuring a responsive layout engine and high-performance data components such as virtual-scroll data tables. The library is distinguished by a customizable theme system that utilizes type-safe JavaScript objects for visual overrides instead of traditional CSS variables. This architecture allows for dynamic runtime updates and global style configurations managed through a centralized provider. The framewor

Taiga UI is an Angular UI component library and accessible design system used for building enterprise web interfaces. It provides a comprehensive collection of reusable interface elements and layout tools, functioning as a mobile-first UI kit with responsive components that adapt to different device capabilities. The library distinguishes itself through an integrated data visualization library featuring various chart types and a dedicated form management framework with built-in validation and formatting for specialized data. It also features AI-driven development workflows by integrating comp

This is a library for Android RecyclerView that pins section headers to the top of a scrolling list to maintain navigation context in grouped datasets. It serves as a reusable interface component that adds persistent overlays and visual grouping to native Android list views. The component functions as a view-recycling layout decorator, reusing view holders to render sticky headers to minimize memory overhead. It includes a layout tool for touch event interception, allowing for click listeners and interactive behaviors on pinned section headers. The library covers rendering logic for fixing s

UltimateRecyclerView is an advanced list component for Android that provides built-in support for animations, sticky headers, and pull-to-refresh. It functions as a specialized set of UI elements designed to handle draggable, expandable, infinite-scrolling, and swipeable list interfaces. The project includes a draggable list manager for reordering items through drag-and-drop interactions and an expandable list component for toggling additional item details. It implements a swipe-to-dismiss interface for item removal and a list controller that enables infinite scroll pagination by triggering d

This project provides a set of customizable calendar and date-picking interfaces for cross-platform mobile applications. It includes an interactive date grid and a date picker interface used for selecting single dates or date ranges. The components support localized date displays, allowing month names and date formatting to adapt to different languages and regional settings. Users can navigate months via a scrollable grid and mark specific days with custom highlights or indicators to signify events and status. The library covers date selection constraints to block specific dates and a select

LearningNotes is a technical knowledge base and engineering study guide focused on Android framework internals, system architecture, and mobile performance optimization. It serves as a reference for analyzing the Android boot sequence, process bootstrapping, and system service initialization. The project provides detailed guides on mobile performance, including strategies for reducing memory footprints, identifying memory leaks, and optimizing image decoding. It further covers Android inter-process communication using AIDL and the Binder kernel driver, as well as software architecture manuals

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

gpui-component is a native desktop UI kit and component library built for the GPUI framework. It provides a collection of reusable user interface elements, a desktop layout engine for organizing application space, and a specialized data visualization library for rendering quantitative information. The project is distinguished by its high-performance rendering systems, including a virtualized data grid and list system designed to handle large datasets with low memory overhead. It also features a comprehensive data visualization toolkit for rendering charts, axes, and coordinate scales using li

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

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,

Bootstrap Table is a jQuery plugin for rendering interactive data grids with sorting, pagination, and filtering. It features a remote data integration system for fetching and synchronizing content from JSON endpoints using AJAX and server-side processing. The project includes a styling layer that adapts markup to work with various CSS frameworks, such as Bootstrap, Semantic UI, Bulma, and Material Design. It provides specialized rendering modes, including a hierarchical tree grid for parent-child row relationships and a responsive card-view table that transforms grids into mobile-friendly lay

This project is a collection of official plugin packages and a native integration library designed to provide a consistent interface for accessing hardware and software functionality across different mobile and desktop platforms. It serves as a native platform bridge, enabling cross-platform applications to invoke native code and manage operating system dependencies. The project utilizes a federated plugin architecture, splitting plugins into common interfaces and separate platform implementations to allow for independent development and extension. It further supports native integration throu

MJRefresh is a scroll view interaction library and a set of reusable UI components for implementing pull-to-refresh and infinite scrolling behaviors in mobile user interfaces. It provides customizable refresh indicators and controllers that manage reload callbacks and loading states within scrollable containers. The library allows for the replacement of standard loading indicators with custom images, GIF sequences, and status labels to match specific visual branding. It includes a global configuration store to handle dynamic UI localization and the translation of refresh content across an app

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

React Virtuoso is a React component library for rendering large datasets efficiently through virtualized lists, grids, tables, and chat interfaces. It automatically measures variable-height items at runtime, computes accurate scroll offsets without requiring fixed sizes, and renders only the items within the visible viewport plus a configurable buffer zone. The library manages scroll position through a state machine that tracks direction, position, and anchor items to handle auto-scroll, sticky headers, and bidirectional loading. The library distinguishes itself with specialized components fo

React Native Hold Menu is a UI component library and cross-platform mobile framework providing a context menu widget for iOS and Android applications. It displays an interactive popup action menu when users press and hold a specific interface element, enabling quick action workflows within mobile applications. The library utilizes a native gesture-driven architecture to animate menu transitions and scale changes on the native UI thread. It includes dynamic layout calculations to compute menu positioning and prevent screen overflow during device rotation, window resizing, and orientation chang

AsyncDisplayKit is an asynchronous UI framework and performance library for iOS. It provides a collection of performant alternatives to standard views, allowing developers to build responsive interfaces by offloading layout and rendering tasks to background threads. The framework is centered around a declarative layout engine based on a flexbox model, which calculates element positions and sizes asynchronously. It utilizes a node-based abstraction to wrap native views, enabling the instantiation and configuration of UI hierarchies on background threads to prevent main thread blocking. The sy

Framework7 is a mobile user interface framework and single-page application system designed to build responsive web applications with native iOS and Android appearances. It provides a comprehensive library of pre-styled components and a layout engine to create native-style user interfaces across multiple platforms. The framework utilizes a platform-aware theming system that adapts visual styles and color schemes based on detected device settings. It incorporates native mobile behaviors through a dedicated UI kit, including specialized interaction patterns such as pull-to-refresh and swipeable

Base UI is a headless component library and unstyled framework providing accessible interface primitives. It decouples behavioral logic and state management from the visual layer, allowing developers to implement complex UI patterns while maintaining total control over the final styling. The library implements WAI-ARIA design patterns to ensure all primitives support standard keyboard navigation and screen reader accessibility. It provides a suite of low-level building blocks that handle the internal mechanics of interface elements without bundling any CSS. The framework covers a broad range

This project is a cross-platform mobile framework tutorial and JavaScript mobile app curriculum designed to teach the development of iOS and Android applications. It provides a structured educational guide and a set of lessons covering project bootstrapping, state management, and declarative user interface structures. The curriculum includes specific guides on mobile native bridge integration, providing tutorials on how to connect custom platform code to a cross-platform framework to access device-specific system APIs and hardware. The course covers the implementation of responsive mobile us

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

Android-PullToRefresh is an Android view component and library designed to implement pull-to-refresh functionality and end-of-list detection for scrollable views within Android applications. It acts as a custom view that manages the animations and listener triggers necessary to update content via user interaction. The library provides mechanisms for triggering refresh actions when a user pulls from the boundaries of a scrollable view and detecting when a user reaches the bottom of a list to facilitate data pagination. It allows for the customization of the refresh indicator's visual theme and

gridstack.js is a JavaScript grid layout library and responsive dashboard framework used to create interactive interfaces with draggable and resizable elements. It functions as a drag-and-drop layout manager and a JSON-serializable layout engine, allowing user-defined interface states to be persisted and restored. The library distinguishes itself through a touch-enabled grid interface and a responsive system that automatically adjusts item placement based on screen breakpoints. It features a collision-based layout engine that manages overlapping coordinates to shift or swap elements, alongsid

ReactXP is a framework for building cross-platform mobile and web applications from a single codebase using React. It provides a declarative interface that maps to different native implementation sets depending on the target environment. The project enables consistent visual experiences across operating systems through a flexbox-based layout engine, a virtual stack for navigation management, and a unified native-bridge API for accessing system services. It distinguishes itself with specialized capabilities for declarative animation orchestration, platform-specific logic resolution, and an aut