Open-source alternatives to Hooks

NativeBase is a comprehensive toolkit of accessible components and responsive design frameworks used to build consistent mobile and web applications. It provides a cross-platform UI component library and a React Native component framework that enable the creation of layouts across Android, iOS, and the web from a single codebase. The system is distinguished by a responsive design system that automatically adjusts layouts and global themes to fit different screen sizes and color modes. It utilizes a utility-based styling approach, allowing developers to apply visual styles directly through com

React Native Raw Bottom Sheet is a cross-platform mobile UI component that renders custom sliding modal panels and action menus rising from the bottom of the screen. It provides a native application interface overlay designed for mobile app development to display custom content, menus, and forms. The component supports customizable sheet behavior, allowing developers to configure animation durations, custom dimensions, and visual styling for the root backdrop, container view, and draggable handles. Dismissal and interaction mechanics include backdrop mask interception, downward drag gestures,

This project is a general purpose library for the .NET ecosystem, providing a collection of reusable helper methods and APIs for common programming tasks. It encompasses a UI component library for cross-platform development, a toolkit for MVVM architecture, and specialized utilities for memory management and native interoperability. The library distinguishes itself through high-performance memory abstractions, such as pooled buffers and contiguous two-dimensional memory spans, designed to reduce garbage collection pressure. It also provides native interop wrappers and bindings to facilitate d

AndroidNote is a technical knowledge base and reference resource for Android development. It provides comprehensive guidance on application architecture, custom view development, and advanced graphics programming. The project is distinguished by its depth in visual implementation, covering pseudo-3D perspective projections via virtual cameras and complex 2D rendering using Bézier curves and PorterDuff color blending. It also provides detailed methodologies for app modularization and the management of internal libraries through private Maven repositories and JitPack. The reference surface ext

react-native-progress is a collection of visual components for cross-platform mobile applications designed to represent completion percentages and loading states. It provides a set of progress bars, circular indicators, and loading spinners for mobile environments. The library includes specific components for visualizing progress, such as a percentage progress pie, circular progress indicators with inner text, and linear progress bars. For active background processes, it provides animated loading spinners and activity spinners to signal ongoing tasks. These components support task completion

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 is a high-performance image component and native caching library for mobile applications. It provides tools for image optimization and asset preloading to reduce visual flicker and increase loading speeds. The project differentiates itself through a mobile asset preloader that downloads remote images into a local cache before they are requested. It also includes a system for assigning loading priority levels to ensure critical visual assets are fetched first and supports remote asset authentication by attaching custom HTTP headers to requests. The library covers a broad range of capabil

React Native Animated Charts is a user interface component library for building interactive line graphs and data visualizations within mobile applications. It functions as a cross-platform component for rendering scalable vector graphics chart paths, touch-following indicators, and dynamic axis labels on iOS and Android devices. The library incorporates data processing capabilities to prepare raw datasets for display. It handles cubic spline data smoothing to transform coordinate sets into continuous curves, alongside downsampling algorithms to reduce point density while retaining critical e

This project is a React Native UI library and mobile component framework designed for building consistent, themed mobile applications. It provides a collection of reusable user interface components and layout tools, functioning as a cross-platform design system to maintain visual uniformity across different mobile platforms. The toolkit distinguishes itself through a themed UI approach, utilizing global design foundations for typography, color palettes, and spacing. It allows for dynamic theme configuration and the use of style presets to ensure standardized branding across an entire project.

This project is a cross-platform mobile UI library and design system built for the React Native framework. It provides a collection of styleable and reusable interface components to ensure visual consistency across different mobile operating systems. The framework includes a specialized tool for transforming raw HTML strings into native mobile components using custom element rendering and style overrides. It also features a remote update system that allows interface changes and new features to be pushed directly to devices without requiring a full application store release. The library cover

react-native-linear-gradient is a cross-platform mobile UI component used to render linear color transitions and backgrounds. It provides a customizable view that creates smooth transitions between multiple colors along a straight line. The project includes a text gradient mask, which allows text characters to be filled with color gradients using masking techniques rather than single solid colors. It also provides an animated gradient component capable of changing color properties over time to create moving visual effects. The component handles linear gradient rendering via configurable star

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,

This project provides component wrappers and managers that automate the synchronization between software keyboard visibility and the scroll position of active input elements. It is a cross-platform mobile keyboard scroll view designed to keep active text inputs visible above the software keyboard. The library functions as a keyboard-aware component wrapper that detects software keyboard events to prevent input fields from being obscured. It utilizes an automatic input focus scroller to calculate the necessary scroll position and maintain focus on the active cursor. The system covers mobile U

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

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

react-native-blur provides cross-platform UI components for rendering native blur and vibrancy effects in mobile applications. It functions as a native-backed UI element that creates visual hierarchy and depth through blurred overlays and enhanced content contrast. The project includes an accessibility-aware component that automatically detects system preferences for reduced transparency and provides solid fallback colors. It utilizes native rendering to apply background blur and vibrancy layers, improving the legibility of foreground content. These components encapsulate platform-specific r

React Native Gifted Charts is a mobile-first data visualization framework designed for building interactive and animated graphical representations within React Native applications. It functions as a declarative component library that enables developers to render complex datasets through a variety of visual formats, including bar, line, area, pie, and scatter plots. The library distinguishes itself through a native-driven rendering engine that utilizes vector graphics primitives to draw shapes and paths directly on the screen. It supports sophisticated visual configurations such as gradients,

This project is a cross-platform mobile media picker that provides a native interface for selecting images and videos from a device gallery or capturing them via the camera. It acts as a bridge for mobile camera integration and a native gallery selector to import visual assets into a JavaScript environment. The library covers media library access and the handling of user content uploads by allowing users to provide image or video files from their device. This includes the ability to launch the device camera for photos and videos as well as selecting multiple media files from the local library

React-Native-Elements is a cross-platform mobile UI toolkit and component library. It provides a collection of pre-built visual elements and a framework for building responsive, uniform layouts that render consistently across different mobile operating systems. The library focuses on mobile interface standardization and React Native frontend design. It enables rapid mobile prototyping by offering a shared set of common UI patterns, allowing developers to assemble functional interfaces without coding every component from scratch. The toolkit supports cross-platform UI development by ensuring

React-Native-Elements is a cross-platform mobile UI toolkit and component library designed for the React Native framework. It provides a system of pre-styled visual components to build consistent user interfaces across mobile and web platforms using a single shared codebase. The framework enables the development of applications that run across different operating systems and web browsers while maintaining a unified look and feel. It supports rapid UI prototyping and application design by providing reusable building blocks that reduce the need to create every custom component from scratch.

This project is a cross-platform mobile filesystem API that provides a native bridge for reading, writing, and organizing files and directories on iOS and Android devices. It serves as a native-module wrapper that maps JavaScript calls to native Java and Objective-C filesystem operations using asynchronous promises. The library includes a dedicated toolset for remote file transfers, enabling the downloading of files from URLs and the uploading of local content to remote servers with real-time progress tracking. It also provides a native device storage interface to access bundled application a

This project is a cross-platform mobile blur library and a collection of native components used to render Gaussian blur and frosted glass effects in mobile applications. It functions as a native view hierarchy bridge that encapsulates platform-specific visual effect APIs to maintain performance during animations and transitions. The library includes a UI vibrancy toolkit designed to adjust contrast and saturation, ensuring that text and icons remain legible when placed over blurred backgrounds. It provides components for adding depth and translucent layers to mobile interfaces through native

This project is a React Native UI component for implementing swipeable tab navigation. It organizes mobile app content into category tabs that users navigate through horizontal gestures or direct interaction. The system synchronizes the movement of the tab indicator with the page scroll offset. It supports the integration of custom tab bars and provides the ability to maintain independent scroll positions for each individual page. Navigation can be managed programmatically, including the ability to define initial starting pages or disable gesture-based swiping. The component also includes tr

Recyclerlistview is a cross-platform virtualized list component for React Native and web. It functions as a cell-recycling UI library that reuses a small set of off-screen components by updating their data rather than creating new views for every item. The framework includes a dynamic grid layout engine that supports staggered grids and variable item heights, allowing for instant switching between list and grid view modes. The library provides capabilities for virtual scrolling management, including viewability tracking, sticky headers, and scroll position restoration. It also supports infin

react-native-svg is a cross-platform vector graphics engine and rendering library designed for mobile and web applications. It functions as an SVG to component converter, transforming standard vector markup into renderable components using a compatible component-based architecture. The library enables the rendering of scalable vector graphics across diverse platforms using a single set of components. It ensures visual consistency between web and mobile environments by sharing graphics and providing a unified API. The system covers the creation of custom icons and complex shapes through compo

This project is a mobile UI component library providing a cross-platform carousel component for sliding images and content. It functions as a touch-based swiper interface that allows users to browse lists of items through swipe gestures. The library includes a specialized parallax image slider that shifts background images at different speeds to create a sense of depth. It provides a swiping interface component capable of handling large lists of items across both horizontal and vertical orientations. The toolset covers carousel layout management, position indicators to communicate the curren

react-native-reusables is a cross-platform mobile UI library and an accessible component kit used to build consistent interfaces across different screen sizes. It functions as a Tailwind CSS component library, providing pre-styled interface elements that utilize utility classes for styling and layout. The project enables cross-platform UI development for iOS and Android through a shared set of reusable visual components. It supports mobile interface prototyping and the creation of cohesive design systems by utilizing standardized, themeable interface elements to maintain uniform branding. Th