Here is a great well built visualisation library that could easily be transformed into a data powered visualisation to use with Qlik. Psychedelic! Here are some horrible monstrosities I created playing around with the JSON config:

 

Check the library out at http://vincentgarreau.com/particles.js/#default

Heres a live demo:

See the Pen particles.js by Vincent Garreau (@VincentGarreau) on CodePen.