Expo Cross-Platform Starter Templates

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 without manual intervention. It also features a file-based routing system that maps directory structures directly to navigation paths, and an over-the-air update service that enables the deployment of JavaScript and asset changes directly to user devices, bypassing traditional app store review cycles. Beyond these core capabilities, the platform offers a wide range of integrated services for managing project metadata, environment variables, and persistent data storage. It includes a robust set of UI components and utilities for handling hardware-level features such as camera access, geolocation, audio and video playback, and push notifications. Developers can also leverage managed cloud services to orchestrate custom build profiles and automate CI/CD workflows. The project is managed via a command-line interface that facilitates project setup, native module integration, and the generation of custom development builds. Documentation and tooling are provided to support both standalone applications and the integration of Expo into existing native projects.

This project is a comprehensive directory of open-source iOS applications designed to serve as a technical reference for developers and learners. It functions as a curated index of mobile software, categorizing projects by their functionality, implementation language, and architectural design to provide a clear view of how professional applications are structured. The repository distinguishes itself by offering a deep dive into mobile app architecture, allowing users to study real-world codebases that utilize patterns such as Model-View-ViewModel, VIPER, and Clean Architecture. It highlights how these structures support complex application requirements, including the integration of platform-specific technologies like ARKit, CoreML, WidgetKit, and WatchOS. By showcasing diverse implementations, the directory provides a practical look at how developers manage state-driven components and modular UI elements within the Apple ecosystem. Beyond native iOS development, the collection covers a broad spectrum of mobile engineering practices, including cross-platform development strategies using frameworks like Flutter, React Native, and Kotlin Multiplatform. It also catalogs various integration strategies, such as reactive data binding and asynchronous message passing, which are essential for maintaining synchronized and responsive user interfaces. The directory is organized as a technical catalog, making it a resource for discovering high-quality, community-maintained projects that demonstrate standard industry practices. It serves as a starting point for developers looking to explore specific API integrations, UI patterns, and hardware-access implementations across a wide range of application categories.

This project is a community-maintained open source directory that serves as a comprehensive index of React components and libraries. It functions as a technical knowledge base, mapping common development challenges to vetted third-party solutions to help developers accelerate their frontend workflows and avoid reinventing standard interface elements. The directory distinguishes itself through a decentralized, hyperlink-centric architecture that avoids hosting code locally, instead pointing users directly to external repositories. This content is curated through a collaborative model where community members submit and maintain resource links via version-controlled pull requests, ensuring the index remains current and community-vetted. The collection is organized using a hierarchical taxonomy that covers a broad spectrum of frontend needs, including UI frameworks, layout utilities, form components, and performance-related tools. By providing a structured, human-readable index of these building blocks, the project simplifies the exploration of the React ecosystem for developers seeking reliable solutions for specific technical requirements. All information is stored in plain text files formatted in markdown, allowing for lightweight, static delivery that remains easily searchable and accessible without backend infrastructure.

NativeScript is a cross-platform mobile development framework that enables the creation of native iOS and Android applications using JavaScript or TypeScript. It provides a direct bridge to native platform APIs, allowing developers to invoke native classes, methods, and properties directly from script code while maintaining full access to underlying mobile operating system features. The framework distinguishes itself through its direct native UI rendering, which maps declarative markup components to actual platform-native widgets rather than web-based views. This architecture is supported by metadata-driven type generation, which creates language-specific definitions from native headers to provide compile-time safety and IDE autocompletion when interacting with native platform services. Beyond its core bridging capabilities, the project includes a comprehensive suite of tools for managing the entire mobile development lifecycle. This includes reactive state management for UI synchronization, automated native memory management, and a robust plugin development kit for extending applications with custom native code. The platform also provides extensive diagnostic and observability utilities, including performance monitoring, error handling, and background task management to ensure responsive application behavior.

Hippy is a cross-platform mobile framework that enables building applications for iOS, Android, and Web from a single codebase using web development technologies. It functions as a dynamic app framework, supporting runtime code updates and dynamic content delivery across platforms, and connects JavaScript application logic with native platform APIs through a JavaScript bridge. The framework distinguishes itself through its bridge-based native rendering approach, which serializes UI updates over a JSON message bus to a native host that maintains the real view hierarchy. It employs a component-based UI architecture with virtual DOM diffing to compute minimal UI updates, and uses event-driven communication to pass user interactions and system events between JavaScript and native layers. A JavaScript engine abstraction wraps multiple engines behind a unified interface, allowing runtime selection without changing application code. Hippy supports building cross-platform applications with code reuse across iOS, Android, and Web, and renders user interfaces using a Flexbox layout engine for consistent arrangement across platforms.

This project is a dynamic code delivery system and over-the-air update client for cross-platform mobile frameworks. It enables the distribution of JavaScript bundles and remote assets directly to devices, allowing updates to be applied without requiring a full application store release. The system provides infrastructure for staged rollouts, A/B testing, and remote hotfix deployment by directing specific user segments or percentages to different code versions. It ensures stability through a client-side rollback manager that automatically reverts to a previous stable version if a new update causes the application to crash. Additional capabilities include cryptographic public key signature verification to ensure bundle integrity and a deferred restart queue to prevent updates from interrupting critical user workflows. The project also provides tools for release metrics tracking, application health diagnosis, and the management of deployment keys across different environment channels.

This project is a community-driven knowledge base that serves as a centralized directory for the React and React Native ecosystems. It functions as a developer discovery portal, aggregating high-quality libraries, frameworks, and learning resources to assist in the research and selection of tools for modern web and mobile application development. The repository distinguishes itself through a hierarchical taxonomy that organizes a fragmented landscape of third-party software into functional domains. By utilizing markdown-based content curation, it provides a structured index that allows developers to navigate specific categories such as state management, routing, component libraries, and build tooling. This classification system is maintained through distributed contributions, ensuring the collection remains an up-to-date reference for the community. Beyond core frameworks and libraries, the directory covers a broad spectrum of development needs, including testing utilities, animation engines, internationalization tools, and specialized renderers. It also provides access to tutorials, design patterns, and real-world application examples to support developers across various stages of the software lifecycle. The entire collection is presented as a static documentation index, offering a human-readable format for quick exploration of the ecosystem.

JeecgBoot is a low-code enterprise development platform designed to accelerate the creation of complex business applications. It functions as a modular software foundation that provides a comprehensive environment for building systems through visual configuration, automated code generation, and integrated business process management. The platform is built to handle enterprise-grade requirements, including built-in authentication and granular role-based access control. The platform distinguishes itself through a unified development ecosystem that generates responsive interfaces for desktop, tablet, and mobile devices from a single codebase. It automates the creation of database-backed interfaces by parsing schema definitions into executable source code and supports the integration of machine learning models directly into standard data workflows. By utilizing metadata-driven dynamic forms and database-first schema mapping, the system ensures consistency between persistent storage and business logic while reducing the need for hard-coded components. The architecture supports scalable backend operations through a microservice-oriented service mesh that manages traffic, authentication, and service discovery via a centralized gateway. It also provides tools for rapid API generation, allowing developers to map database schemas to RESTful services. The project includes documentation and resources for deploying administrative portals across multiple platforms, including web and mobile environments.

This project is a generative development environment designed to build reactive, modular user interfaces through natural language prompts. It functions as a declarative framework that translates descriptive requirements into functional code, structured layouts, and interactive components. By utilizing a reactive state architecture, the system ensures that application data remains synchronized across components, triggering automatic updates whenever state values are modified. The platform distinguishes itself through its automated design system generation and cross-platform capabilities. It employs an automated reasoning engine to analyze project requirements and produce tailored design systems, including color palettes, typography pairings, and visual themes. To support consistent behavior across mobile and web environments, the system maps high-level component definitions to platform-specific widgets and native rendering pipelines, allowing developers to maintain a unified codebase while targeting multiple device types. The system covers a broad capability surface, including file-based routing, server-side rendering, and utility-first styling engines. It provides integrated support for popular web and mobile frameworks, enabling developers to construct scalable applications with consistent visual languages and accessibility standards. These design and development features are managed through command-line utilities that allow for the installation, activation, and configuration of specialized design skills within existing development environments.

Lynx is a cross-platform mobile framework designed to build applications using web technologies that render as native components. It functions as a native UI rendering engine, translating web-based layout and styling instructions into platform-specific views to ensure efficient performance and minimize layout recalculations. The framework utilizes a multi-threaded rendering pipeline that separates application logic from the UI thread, supported by incremental reconciliation to update only changed view elements. It employs just-in-time bytecode execution to optimize JavaScript performance and uses a bridge-based communication channel to synchronize data between the execution environment and the native host. The project includes a suite of development tooling to support the mobile lifecycle. This includes utilities for initializing new project workspaces, previewing interface changes in a sandbox environment, and a remote debugging protocol that allows for real-time inspection of application state and rendering behavior on physical devices.

Dioxus is a cross-platform development framework designed for building native desktop, mobile, and web applications from a single codebase. It utilizes a declarative component model and macro-powered syntax to define reusable interface elements, which are then rendered as native widgets or web elements. At its core, the framework employs a signal-based reactivity system that tracks state dependencies to trigger granular updates, ensuring efficient interface performance without re-rendering the entire application tree. The framework distinguishes itself through a unified full-stack runtime that integrates server-side logic with client-side interactive components. It supports server-side rendering with HTML streaming and hydration, allowing developers to generate initial content on the server for improved load times and search engine visibility. Additionally, Dioxus provides a hot-reload development workflow that patches functions at runtime, enabling rapid iteration on application logic and interface designs without requiring manual restarts. Beyond its core rendering and reactivity capabilities, Dioxus includes a comprehensive suite of tools for managing complex application requirements. This includes a robust routing system for nested layouts and dynamic parameter parsing, as well as advanced state management features like context sharing, signal-based data flow, and asynchronous task integration. The framework also offers native desktop integration for managing system windows and hardware access, alongside optimized networking primitives for bidirectional data streaming and efficient resource fetching.

This project is a cross-platform messaging client that implements a secure, real-time communication protocol. It provides a comprehensive development toolkit, including a database library and messaging SDK, which allows for the creation of custom messaging applications that maintain synchronized state across multiple devices. The core architecture relies on an asynchronous event-driven model to ensure responsive performance while managing persistent local database synchronization with server-side state. The client distinguishes itself through a robust end-to-end encryption layer that supports forward secrecy for private messages, voice calls, and video calls. It features an integrated framework for building and managing interactive bots and embedded web applications, which run directly within the native interface. This ecosystem is supported by a formal, versioned schema-driven protocol that enables automated type-safe code generation for network communication. Beyond core messaging, the platform includes extensive capabilities for group administration, business automation, and content monetization. It supports a wide range of interactive features such as message threading, reactions, scheduled delivery, and rich media handling, alongside tools for geolocation sharing and community discovery. The interface is highly customizable, allowing for personalized themes, chat organization, and expressive visual elements like animated stickers and emojis. The repository provides the foundational runtime and source code necessary to build and deploy these messaging clients across various operating systems.

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 project covers a broad range of UI development areas, such as mobile animation for app entrance transitions and dynamic gradients. It includes implementations for interactive gestures like drag-and-drop reordering and swipeable cards, as well as functional components such as fuzzy search bars, scrollable tabs, and weather data displays.

Iced is a cross-platform graphical user interface framework designed for building interactive applications with a focus on type safety and predictable state management. It utilizes a declarative architecture that separates application state, update logic, and view rendering, allowing developers to construct complex interfaces by nesting reusable functional components. The framework distinguishes itself through an Elm-inspired message-passing pattern, where all user interactions are processed as discrete messages to ensure reliable state transitions. It employs an immediate-mode rendering paradigm and a constraint-based layout engine, which together ensure that the interface remains synchronized with the application state and responsive across varying screen sizes and operating systems. Beyond its core architecture, the project provides a comprehensive set of primitives for interface engineering. This includes tools for managing dynamic text, container alignment, and styling, all of which map to native graphical backends to maintain a consistent look and feel. The system relies on strict data modeling to prevent invalid states, ensuring that business logic remains maintainable and robust throughout the development lifecycle.

Wails is a cross-platform framework for building native desktop applications by combining a Go backend with web-based frontend technologies. It enables developers to create lightweight software by utilizing the host operating system's native web rendering engine, eliminating the need to bundle heavy browser dependencies. The framework distinguishes itself through a robust communication layer that bridges the backend and frontend. It automatically generates type-safe JavaScript bindings and proxies from Go code, allowing for seamless, asynchronous method invocation and data serialization across the language boundary. This integration is supported by a comprehensive command-line interface that manages the entire project lifecycle, from scaffolding and template generation to the final compilation of single, portable native binaries. Beyond its core communication and build capabilities, the project provides a unified runtime library for accessing system-level features such as window management, menus, and file dialogs. It includes a live development environment that monitors source code changes to trigger incremental builds and automatic interface refreshes, ensuring a responsive development cycle. The framework is designed to be installed via standard package managers, providing tools to verify system dependencies and streamline the distribution of production-ready applications.

Capacitor is a cross-platform mobile framework that enables developers to build native applications using web technologies. It functions as a hybrid app container, wrapping web assets within a native runtime that provides a standardized bridge to device hardware and system-level services. By exposing native functionality through a plugin-based architecture, it allows web applications to access platform-specific features while maintaining a consistent interface across mobile and desktop environments. The project distinguishes itself by maintaining native project files as source assets, allowing developers to integrate directly with native development environments and build tools. This approach provides full control over the native project lifecycle, enabling custom code integration and advanced configuration within platform-specific IDEs. The system uses a manifest-driven configuration to manage application identity, permissions, and build settings, ensuring that web-based projects can be compiled into native binaries for distribution. Beyond its core runtime, the framework includes a comprehensive command-line interface for automating mobile build pipelines, managing native dependencies, and synchronizing web assets. It supports a wide range of capabilities, including secure authentication, push notifications, deep link routing, and local data storage. The system also facilitates real-time updates to web content, allowing developers to push changes to installed applications without requiring new app store submissions. The project is documented through a command-line interface that supports scaffolding, building, and deploying applications, with configuration managed via TypeScript to improve developer experience.

Preact is a lightweight declarative user interface library designed for building high-performance web applications. It utilizes a component-based architecture where interfaces are defined as functional or class-based units, relying on a virtual DOM to perform efficient state reconciliation and updates. By prioritizing a minimal footprint, the library enables developers to create modular, predictable, and testable user interfaces while maintaining compatibility with standard browser APIs. The library distinguishes itself through a reactive state engine that leverages signals to track dependencies and trigger granular updates automatically. This approach eliminates the need for manual subscription management, allowing for efficient data flow and state synchronization. Furthermore, Preact provides a compatibility layer that allows for the integration of existing third-party packages, ensuring that developers can reuse established ecosystems within its streamlined environment. Beyond its core rendering and reactivity models, the project includes a comprehensive toolset for server-side rendering, which supports both static HTML generation and streaming output to enhance initial load performance and search engine visibility. It also offers robust support for modern development workflows, including native module loading, TypeScript integration, and specialized debugging utilities for monitoring signals and component hierarchies. The project provides an interactive command-line interface for project initialization and supports various build configurations, including options for development without external build tools.

This project is a cross-platform mobile framework that enables the development of native iOS and Android applications from a single codebase. It utilizes a declarative component-based model where developers define user interfaces using a syntax extension that maps directly to underlying platform-native view primitives. By decoupling application logic from the host platform's main thread, the framework maintains a consistent native view hierarchy while ensuring that JavaScript execution remains independent of UI rendering. The framework distinguishes itself through a robust bridge architecture that serializes updates and events over a message bus, facilitating two-way communication between the JavaScript runtime and native host components. It includes a specialized build-time toolchain that generates type-safe glue code, allowing for the seamless integration of custom native modules. Developers can further refine platform-specific behavior by utilizing file-extension-based resolution, which automatically selects the appropriate implementation for the target operating system during the build process. Beyond its core rendering capabilities, the project provides a comprehensive suite of tools for managing application state, styling layouts, and optimizing performance for large datasets through virtualized list rendering. It supports deep integration with native mobile features, including hardware-level APIs and accessibility services, ensuring that applications can adapt to system-level preferences and assistive technologies. The framework also includes built-in developer utilities for real-time performance monitoring, debugging, and testing across the entire application lifecycle.

A framework for building Mobile cross-platform UI