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React Native enables you to build world-class application experiences on native platforms using a consistent developer experience based on JavaScript and React. The focus of React Native is on developer efficiency across all the platforms you care about - learn once, write anywhere. Facebook uses React Native in multiple production apps and will continue investing in React Native.

Flutter is a mobile app SDK to help developers and designers build modern mobile apps for iOS and Android.

Free and open source, Ionic offers a library of mobile and desktop-optimized HTML, CSS and JS components for building highly interactive apps. Use with Angular, React, Vue, or plain JavaScript.

Xamarin’s Mono-based products enable .NET developers to use their existing code, libraries and tools (including Visual Studio*), as well as skills in .NET and the C# programming language, to create mobile applications for the industry’s most widely-used mobile devices, including Android-based smartphones and tablets, iPhone, iPad and iPod Touch.

It is a framework and a platform for universal React applications. It is a set of tools and services built around React Native and native platforms that help you develop, build, deploy, and quickly iterate on iOS, Android, and web apps.

Apache Cordova is a set of device APIs that allow a mobile app developer to access native device function such as the camera or accelerometer from JavaScript. Combined with a UI framework such as jQuery Mobile or Dojo Mobile or Sencha Touch, this allows a smartphone app to be developed with just HTML, CSS, and JavaScript.

PhoneGap is a web platform that exposes native mobile device apis and data to JavaScript. PhoneGap is a distribution of Apache Cordova. PhoneGap allows you to use standard web technologies such as HTML5, CSS3, and JavaScript for cross-platform development, avoiding each mobile platforms' native development language. Applications execute within wrappers targeted to each platform, and rely on standards-compliant API bindings to access each device's sensors, data, and network status.

NativeScript enables developers to build native apps for iOS, Android and Windows Universal while sharing the application code across the platforms. When building the application UI, developers use our libraries, which abstract the differences between the native platforms.

Qt, a leading cross-platform application and UI framework. With Qt, you can develop applications once and deploy to leading desktop, embedded & mobile targets.

A mobile application framework for building user interfaces.It easily create native user interface layouts that can be shared across Android, iOS, and Windows Phone.

Invoke Native SDKs on iOS, Android, Electron, and the Web with one code base. Optimized for Ionic Framework apps, or use with any web app framework.`

Web Starter Kit is a starting point for multi-screen web development. It encompasses opinionated recommendations on boilerplate and tooling for building an experience that works great across multiple devices. We help you stay productive and aligned with the best practices outlined in Google's Web Fundamentals.

It is a free and open source mobile HTML framework to develop hybrid mobile apps or web apps with iOS native look and feel. All you need to make it work is a simple HTML layout and attached framework's CSS and JS files.

Automate the lifecycle of your iOS, Android, Windows, and macOS apps. Connect your repo and within minutes build in the cloud, test on thousands of real devices, distribute to beta testers and app stores, and monitor real-world usage with crash and analytics data. All in one place.

Matcha is a package for building iOS and Android applications and frameworks in Go. Matcha provides a UI component library similar to ReactNative and exposes bindings to Objective-C and Java code through reflection. The library also provides Go APIs for common app tasks.

Vue Native is a mobile framework to build truly native mobile app using Vue.js. Its is designed to connect React Native and Vue.js. Vue Native is a wrapper around React Native APIs, which allows you to use Vue.js and compose rich mobile User Interface.

Create React Native App allows you to work with all of the Components and APIs in React Native, as well as most of the JavaScript APIs that the Expo App provides.

NativeBase is a free and open source framework that enables developers to build high-quality mobile apps using React Native iOS and Android apps with a fusion of ES6. NativeBase builds a layer on top of React Native that provides you with basic set of components for mobile application development. This helps you to build world-class application experiences on native platforms.

It is a low-code builder for native mobile applications. You can use a simple drag and drop interface to build your app 10x faster than traditional development.

Sencha Touch 2, a high-performance HTML5 mobile application framework, is the cornerstone of the Sencha HTML5 platform. Built for enabling world-class user experiences, Sencha Touch 2 is the only framework that enables developers to build fast and impressive apps that work on iOS, Android, BlackBerry, Kindle Fire, and more.

It is a native React version of Ionic Framework that makes it easy to build apps for iOS, Android, Desktop, and the web as a Progressive Web App. All with one code base, standard React development patterns, and using the standard react-dom library and huge ecosystem around the web platform.

It is a set of Python v2 and v3 bindings for Qt application framework and runs on all platforms supported by Qt including Windows, OS X, Linux, iOS and Android. PyQt5 supports Qt v5. PyQt4 supports Qt v4 and will build against Qt v5. The bindings are implemented as a set of Python modules and contain over 1,000 classes.

It is a NativeScript plugin which allows you to use Vue.js to craft your mobile application. It aims to have a syntax that you are used to from Vue.js.

Onsen UI helps you develop both hybrid and web apps. If developing hybrid apps, you can use it with the Cordova / PhoneGap command line, or with Monaca tools (CLI, Monaca IDE - cloud-based IDE for Cordova, Localkit - desktop GUI).

It is a C++ framework for low-latency applications, with cross-platform GUI libraries to get your apps running on Mac OS X, Windows, Linux, iOS and Android.

RIBs is the cross-platform architecture framework behind many mobile apps at Uber. The name RIBs is short for Router, Interactor and Builder, which are core components of this architecture. This framework is designed for mobile apps with a large number of engineers and nested states.

It is a Platform to create innovative custom apps for your workplace.

RubyMotion lets you quickly develop cross-platform native apps for iOS, Android and OS X, all using your favorite editor and the awesome Ruby language you know and love.

The unity of the server-side. GameSparks is a cloud-based development platform for games developers enabling them to build all of their game's server-side

Apportable lets you cross-compile your iOS app and re-use the same code across platforms.

Crosswalk is a web runtime for ambitious HTML5 applications. All the features of a modern browser, deep device integration and an API for adding native extensions

ReactNativeSeed.com provides you with a number of React Native Boilerplates to choose from. You can opt for MobX or Redux for state-management, TypeScript or Flow for static type checking and CRNA or plain React Native for the stack.

It is a software development kit for the development and deployment of cross-platform rich Internet applications based on the Adobe Flash platform.

It enables creative expression for the desktop, mobile and web. Enterprise applications and best-selling games are made with it, publishing native, Flash and HTML5 applications using one seamless toolset.

Shoutem UI is a set of styleable components that enables you to build beautiful React Native applications for iOS and Android. All of our components are built to be both composable and customizable.

It is a cross-platform development tool, based on the Qt framework. It can be used to create mobile apps or games. Felgo apps and games are supported on iOS, Android, Windows Phone, embedded devices and desktop devices

Create apps for all major platforms with less coding effort. Write once, compile everywhere.

Fuse is a cross-platform mobile app development tool suite, supporting building Android and iOS applications. With Fuse you can build native mobile user interfaces using the easy to learn UX Markup language, and use JavaScript to add business logic.

You write your HTML5 code using the Forge JavaScript API which gives you access to native features such as the camera and contacts API.

J2ObjC is an open-source command-line tool from Google that translates Java code to Objective-C for the iOS (iPhone/iPad) platform. This tool enables Java code to be part of an iOS application's build, as no editing of the generated files is necessary. The goal is to write an app's non-UI code (such as data access, or application logic) in Java, which is then shared by web apps (using GWT), Android apps, and iOS apps.

This Starter Kit reflects the best practices of React Native development we have discovered while building real-world applications for our customers. It is opinionated about tooling, patterns and development practices. It might not be a one-size-fits-all solution for everyone, but feel free to customize it for your needs, or just take inspiration from it.

It is a UI library for progressive web-apps and hybrid development. Created with a lot of attention to usability and performance.

It is a framework that allows building interactive multi-user web, desktop and mobile applications in your favorite language without prior experience in frontend development.

It is an open source developer platform for rapidly building AR/VR applications using React Native. Use a single code base for your AR and VR apps.

manifoldJS takes the meta-data about your site and generates native "hosted" apps. If the platform doesn't support hosted apps, we use Cordova to polyfill it. manifoldJS is based on the latest W3C Manifest working draft.

It is an open source cross-platform app development framework for Java & Kotlin developers. It's a Write Once Run Anywhere (WORA) solution for building truly native apps.

It is an open source JavaScript framework that makes it easy to build high performance, real time web and mobile applications. It is used to make beautiful, real-time user interfaces that can be exported to run on every platform.

It is a self-contained creative scripting toolbox for new and old Android Devices. Create scripts rapidly from your phone or using the remote Web Editor on your computer. The API is simple and extensive. GUI, audio, graphics, bluetooth ble, arduino, OSC, midi, and much more.

It is a SaaS to make Android and iOS native apps from Single Page Apps.is designed to be a modern implementation of PhoneGap Build.

It is a tool for building mobile applications. It combines NativeScript's access to the native platform views and Svelte's fast and efficient view updates to allow you to build native mobile experiences using tools such as HTML, CSS and Javascript.