RIBs

Build cross-platform apps that have similar architecture, enabling iOS and Android teams to cross-review business logic code (by Uber)

Android Studio

Android development environment based on IntelliJ IDEA

Platform for building native mobile applications using HTML, CSS and JavaScript

Create a React Native app on any OS with no build config

Build cross platform desktop apps with web technologies

Build beautiful native apps in record time í ½íº

Ionic is a cross-platform mobile development stack for building performant apps on all platforms with open web technologies.

JUCE is a wide-ranging C++ class library for building rich cross-platform applications and plugins…

A new, Java-based approach to cross-platform mobile apps (used by Google Inbox and Google Spreadsheets)

Modernizr is a JavaScript library which is designed to detect HTML5 and CSS3 features in various browsers.

Experience the awesomeness of React Native without the pain

Build truly native apps with JavaScript

Easily create apps using the web technologies you know and love: HTML, CSS, and JavaScript.

Pygame is a set of Python modules designed for writing games.

C++

A framework for building native apps with React

A framework to build Native Mobile apps using JavaScript.

Create vast expanses of terrains, add trees, select the best point of view and render…

Create iOS, Android and Mac apps in C#

wxWidgets: Cross-Platform GUI Library