Raspberry Pi, Qt 5, QML, Shaders
Some livecoding on a FullHD TV using a Raspberry Pi (a $25 computer with a 24GFLOPS GPU, see http://www.raspberrypi.org) running Qt5 (http://qt-project.org), QML, OpenGL shaders, and a little tool I made for live experiments with them.
Raspberry image from: http://www.flickr.com/photos/77682540...
Qt logo from Nokia/Qt.
Julia set and Flying shader based on code by Inigo Quilez from http://www.iquilezles.org/apps/shader...
Everything else by me (baldand on twitter)
Code for the app can be found from https://gitorious.org/quint