Some time ago I accidentally visited a blog named rectangleworld.com by Dan Gries. It is mainly focused on HTML5 canvas and contains many beautiful experiments. Later I’ve seen several eye catching background/pattern generators including trianglify, triangles and geopattern
These amazing examples encouraged me to play around with HTML5 Canvas and here is the result – waterpipe.js. It’s an open source jQuery plugin for smoky backgrounds generation (HTML5 Canvas).