Qt 5.3 is the latest version of Qt, the leading cross-platform application and UI software development framework. With Qt you can take your application natively to all major desktop, embedded or mobile platforms or create highly powerful modern embedded devices with alternative screens or remote controllers running on desktop or mobile platforms--Implement Internet-of-Things or Bring-Your-Own-Device with the same, one technology: Qt.
Know more:
http://qt-project.org/qt5/qt53
Introducing Qt 5.3