Javascript Matrix and Vector library for High Performance WebGL apps
...glMatrix is designed to perform vector and matrix operations stupidly fast! By hand-tuning each function for maximum performance and encouraging efficient usage patterns through API conventions, glMatrix will help you get the most out of your browsers Javascript engine.
Edition of football teams on HTML canvas- javascript source
This javascript code provides tools to compose your own football teams on real soccer pitch which is drawn on a html canvas and therefore this could be rendered on image PNG .
This code also use an other open source library (jscolor) editor site here : http://jscolor.com
which help this code to use color picker
this tool also provides some report match features.