React Native!

PhoneGap is an open source development tool for building iPhone, Android, Blackberry and other mobile apps with JavaScript.

Ionic makes it easy to build native-quality hybrid interactive applications using HTML5 and JavaScript.Built with Sass, optimized for AngularJS.

Appcelerator Titanium, offered for free by Appcelerator, lets web developers use web technologies, open source and cloud computing to build native apps for iPhone, Android, Windows, Mac OSX and Linux.

Intel® XDK 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 wayto get your apps to market.

WebDGap allows you to convert any website or HTML/CSS/JavaScript web application to a native Windows, Mac, Linux, and Chrome application.

NativeScript lets you develop truly native apps for iOS and Android from a single code base of JavaScript or TypeScript, XML and CSS. NativeScript takes your cross-platform code and translates it into the language that your target platform speaks.

Framework7 - is a free and open source mobile HTML framework to develop hybrid mobile apps or web apps with iOS & Android native look and feel. It is also an indispensable prototyping apps tool to show working app prototype as soon as possible in case you need to.The main approach of the Framework7 is to give you an opportunity to create iOS & Android apps with HTML, CSS and JavaScript easily and clear. Framework7 is full of freedom. It doesn't limit your imagination or offer ways of any solutions somehow. Framework7 gives you freedom! »

Comprehensive hybrid mobile app development platform. You can easily create a beautiful, high-performance mobile app with Web technologies - HTML5, CSS, JavaScript.

React.js powered UI framework for developing beautiful hybrid mobile apps.

Make beautiful hybrid mobile apps using HTML5, CSS and JavaScript. Works with or without any framework including React, Meteor, Vue, AngularJS & 2. iOS and Android.

Create iOS and Android apps with React and Ionic

Quasar Framework - Build desktop & phone/tablet apps simultaneously with HTML5 & javascript.

Codename One provides a comprehensive solution for WORA (write-once-run-anywhere) mobile app development. You write the applications in Java using and deploy the application to Android, iOS, Windows Phone, or other platforms. The resulting app is a native app (not HTML5).

Originally, Phonon has been created for building hybrid apps with Apache Cordova by using web technologies such as HTML, CSS and JavaScript. Of course, there are many frameworks well known, but Phonon gives an intuitive and amuzing way of building apps. For example, the app's workflow can be defined with page events. When the user access on the page-X for the first time, the onCreate callback is called, when the page becomes visible, the onReady callback is called, etc. You can also prevent the automatic close if an action is required. »