Android developer portal with tools, libraries, and apps

Create native mobile apps using Java.

A framework for building Mobile cross-platform UI.

Cross-platform mobile app development for iOS and Android. Build native UI's with full hardware access using Java.

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.

Open Source framework for building cross-platform truly native iOS, Android and Windows mobile apps using JavaScript.

JUniversal makes Java truly cross platform

Writing the same code from scratch for every platform is a pain & inefficient. There must be a better way. JUniversal lets you write code in Java (like you probably already do if you develop for Android) and take that code to places you never thought it could go. It’s primarily targeted to sharing code across mobile apps, but the technology can extend to non-mobile scenarios as well.

Intel XDK HTML5 Cross-platform Development Tool provides a simplified workflow to enable developers to easily design, debug, build, and deploy HTML5 web and hybrid apps across multiple app stores, and form factor devices.

Experience Intel XDK - the easy and fast way to get your apps to market.

Create native iOS, Android, Mac and Windows apps in C#.

Unity3D is a cross-platform game engine with a built-in IDE developed by Unity Technologies. It is used to develop video games for web plugins, desktop platforms, consoles and mobile devices.

Basic4android is the simplest and most powerful Rapid Application Development (RAD) tool available for the Android platform.

PhoneGap is a free and open source framework that allows you to create mobile apps using standardized web APIs for the platforms you care about.

Cross Platform SDK with C-styled object oriented language, GUI toolkit, powerful 2D/3D engine and IDE.

Corona SDK is the leading mobile development framework. Build high-quality apps and games for iOS, Android, Kindle Fire and Nook in record time.

Enterprise Mobile Application Development Platform.

The beautiful, open source front-end framework for developing hybrid mobile apps with HTML5.