Qt Creator - Qt Creator is a cross-platform C++, JavaScript and QML integrated development environment. It is the fastest, easiest and most fun experience a C++ developer could wish for.
Kony - Kony is a mobile application application development platform that facilitates companies to deliver innovative mobile solutions.
Apache Cordova - Platform for building native mobile applications using HTML, CSS and JavaScript
Xamarin - Create iOS, Android and Mac apps in C#
B4X - Cross platform development tools for native iOS, Android, desktop and server applications.
Aquro - iOS / Android app development platform for web developers who don't want to have to learn...