Open-source alternatives to React Native Device Info

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

Neon is a framework for writing high-performance native Node.js modules using the Rust programming language. It serves as a foreign function interface bridge and a toolchain for bootstrapping, compiling, and managing Rust-based extensions. The project provides a cross-language memory manager that handles buffers and object borrowing to ensure safe memory access between Rust and JavaScript. It enables the mapping of data types and function calls across the language boundary, allowing Rust functions to be exported to the script environment and JavaScript functions to be called from Rust. The f

react-native-permissions is a cross-platform permissions library that provides a unified interface for requesting and checking system permissions across iOS, Android, and Windows. It functions as a permission status manager and device capability auditor to determine if access to sensitive data or hardware is granted, denied, or blocked. The project includes a media access controller to handle limited access to photos and contacts through system-native pickers. It also features a system settings integrator that directs users to device settings pages to manually toggle application and notificat

This project is a cross-platform mobile filesystem API that provides a native bridge for direct read and write access to the device filesystem. It functions as a storage management library and a native asset access layer, allowing applications to interact with local files and system-level document directories. The library includes a mobile file transfer client for downloading and uploading files between remote servers and local device storage. These transfers support progress tracking and multipart data transmission. Broad capabilities cover local file and directory management, including the

Expo is a universal mobile framework designed to build native iOS and Android applications from a single codebase using web-standard technologies. It provides a comprehensive development environment that includes a unified runtime for testing, cloud-based infrastructure for compiling and signing native binaries, and automated tools for managing the entire mobile release lifecycle, including app store submission. The framework distinguishes itself through a plugin-based native configuration engine that programmatically modifies project files, allowing developers to integrate native modules wit

react-native-image-crop-picker is a cross-platform mobile image picker for selecting, cropping, and capturing images and videos from a device gallery or camera. It serves as a bridge to access the mobile camera and photo library to upload media files into an application. The library provides integrated tools for media cropping and compression, allowing images to be resized to specific dimensions or aspect ratios. It supports a unified workflow where images can be cropped immediately during the selection process. Capability areas include camera media capture, gallery media selection for singl

react-native-image-picker is a cross-platform mobile media picker used to select images and videos from a system gallery or capture new media via the device camera. It serves as a native device camera interface and a mobile gallery file picker for accessing local storage. The library includes a media metadata extractor to retrieve technical details from selected files, such as image dimensions, file size, video duration, and EXIF data. The project provides a bridge between JavaScript and native mobile operating systems to trigger system-provided gallery and camera interfaces. It handles the

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 comprehensive technical manual for installing macOS on non-Apple x86 hardware using the OpenCore bootloader. It serves as a configuration guide for emulating Apple hardware and patching system firmware to achieve operating system compatibility on PCs. The documentation provides detailed instructions for SMBIOS hardware emulation, including the generation of system identifiers and model profiles. It covers the application of ACPI table patches to enable native power management and the modification of UEFI runtime services to resolve memory map and write protection issues. Th

React Native AsyncStorage is a persistent key-value storage library designed for React Native applications. It provides a unified local storage interface that works identically on both iOS and Android, ensuring saved data remains available across app restarts and when the device has no network connectivity. The library uses an asynchronous background I/O queue to handle all storage operations without blocking the JavaScript thread, communicating with native storage engines through React Native's bridge protocol. It includes a serialization layer that converts JavaScript values to strings for

OrionTV is a framework for building and deploying native video applications for television screens. It utilizes React Native TVOS and the Expo ecosystem to create cross-platform TV interfaces from a single shared codebase. The project provides a specialized user interface framework optimized for large-screen layouts and remote control interaction. This includes spatial focus management for D-pad navigation and a native video bridge that connects JavaScript controls to hardware-accelerated media players. The system covers video content streaming integration and the generation of native projec

node-notifier is a Node.js library and cross-platform wrapper that provides a unified JavaScript interface for sending native desktop notifications on macOS, Windows, and Linux. It acts as a bridge between JavaScript code and system-level notification binaries such as libnotify, Growl, and Windows Toasters. The project supports integrating native alerts into Node.js applications, Electron desktop apps, and shell scripts. It includes a command-line utility to trigger desktop alerts directly from a terminal using arguments or piped input. The library manages native alert delivery, including th

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 project is a technical study and analysis guide focused on the internal architecture of Node.js. It provides an in-depth examination of the runtime, focusing on how the engine manages memory handles, executes asynchronous operations, and implements core module logic. The guide specifically analyzes the integration of native C++ classes and functions into JavaScript and documents the behavior of the libuv event loop. It includes detailed references for optimizing performance by identifying V8 compiler bailouts and profiling execution to improve resource efficiency. The material covers a

This project is a collection of practical implementation examples and demonstrations for building mobile applications using a JavaScript-based native framework. It serves as a cross-platform mobile framework demo, providing a gallery of interactive interface patterns and native integration suites. The repository showcases specialized capabilities including high-performance 2D and 3D visual content through OpenGL graphics implementation. It also features a suite of native hardware integrations, covering biometric authentication via fingerprint scanning and gesture-based unlock patterns. The p

This project is a cross-platform mobile splash screen and boot manager for applications. It functions as a native mobile UI component that bridges iOS and Android launch views with a JavaScript framework to hide the boot process and prevent blank screens during initialization. The tool coordinates the transition from the native operating system launch image to the application interface. It provides the ability to display a native loading image over the application interface and trigger its dismissal once asynchronous initialization tasks are complete. The system manages native UI overlays an

This project is a cross-platform development framework that enables the execution of React Native applications as native desktop software. By utilizing the Qt toolkit, it maps mobile-oriented interface components to native desktop widgets, allowing developers to deploy a single codebase across Linux, macOS, and Windows. The framework functions as a bridge between JavaScript-based application logic and native system interfaces. It includes a native module bridge that exposes system-level hardware and platform capabilities to the JavaScript runtime, facilitating the integration of custom C++ or

This project is a framework for Windows desktop application development that allows the creation of native user interfaces using React and JavaScript. It enables the compilation of high-level application logic into native executables by targeting the Windows software development kit. The system leverages a C++ scene graph and visual layer for high-performance native rendering and provides mechanisms to map JavaScript calls to native C++ or C# methods. It synchronizes application styles with native operating system theme brushes to maintain visual consistency and manages desktop-specific inter

This project is a Go library and toolkit for cross-platform daemon orchestration. It provides a unified interface for registering and managing Go programs as background services across multiple operating systems, including Windows, macOS, and various Linux distributions. The toolkit acts as a multi-platform init manager, interfacing with systemd, OpenRC, and launchd. It automates the lifecycle of background processes, providing capabilities to install, uninstall, start, stop, and restart applications. Beyond service management, the library includes tools for environment detection to identify

This project provides utilities for detecting continuous integration environments and wrapping test execution to conditionally ignore errors. Its primary purpose is to prevent test failures from blocking build pipelines by identifying the runtime context and adjusting test behavior. The software maintains automated build stability by intercepting test results and manipulating the internal state of the testing framework. This mechanism allows the project to force a passing status and bypass failing assertions when specific environment flags are detected. The toolset covers CI pipeline managem

react-native-firebase is a modular set of libraries that integrates Firebase cloud services into cross-platform mobile applications. It serves as a native-SDK wrapper, mapping JavaScript method calls to native iOS and Android Firebase SDKs via the React Native bridge to provide a type-safe interface for mobile backend integration. The project enables connectivity to a wide array of cloud services, including user authentication and identity management, NoSQL cloud databases with real-time synchronization, and scalable cloud storage for media files. It also provides tools for sending push notif

Buck2 is a programmable monorepo build tool and hermetic build system designed to manage large-scale projects with complex target graphs and multi-language dependencies. It functions as a remote execution framework and dependency graph analyzer, providing an artifact caching engine to ensure reproducible and consistent build results across different environments. The system distinguishes itself through an incremental computation engine that recomputes only the specific nodes in a dependency graph invalidated by changes. It utilizes content-addressable storage for build artifact caching and su

AndroRAT is a remote administration tool and surveillance framework for Android devices. It consists of a Python-based command server and a Java-based client agent that establish persistent socket connections to enable remote control and data extraction. The project includes a payload generator to create signed installation packages configured with specific network addresses and ports for deployment. Once active, the framework provides a central interface to manage multiple connected devices, maintaining access via a background service that restarts upon device boot. The system covers remote

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

This project is a technical breakdown and implementation of a user interface framework's internal architecture, focusing specifically on the mechanics of the virtual DOM, reconciliation, and component lifecycles. It serves as a resource for understanding how a core logic layer manages the transition from high-level component descriptions to physical browser elements. The project distinguishes itself by providing detailed visualizations, including flowcharts and block schemes, to map the reconciliation process and code execution paths. It explores how a platform-agnostic core can be adapted fo

DeviceKit is a hardware library for iOS that provides a value-type replacement for device specifications and system state metrics. It serves as a framework for detecting device identity, hardware capabilities, display metrics, and real-time system state indicators. The library includes tools for identifying specific device models, families, and simulator status to implement hardware-specific optimizations. It also provides a detector for physical components, such as biometric sensors and stylus support, to toggle interface features. Additional capabilities cover display metrics analysis for

systray is a Go library used to create and manage icons and menus within the operating system notification area. It functions as a cross-platform GUI library that provides a persistent application entry point and a notification area menu manager. The library enables the creation of hierarchical menus and custom tray icons across different desktop operating systems. It supports the use of nested submenus and allows for the styling of individual menu entries with custom images. The toolset covers a range of interaction capabilities, including the management of menu item states through checked