PiCute is a Raspbian based OS for the RaspberryPI running the amazing QT5.4 graphical framework. The underlying OS is based on pipaOS XGUI version.
Download and burn the developer image on a SD card and boot it. At the login prompt enter sysop and posys for the password.
$ startx
Right click on the desktop, fire up the LXTerminal, then test the many QT5 examples:
$ cd /usr/local/picute/v5.4.1/examples $ ./opengl/hellogl2/hellogl2
Debian Wheezy packages available at deb http://archive.mitako.eu wheezy main
Source code on Github