d3.js. See the gallery:
https://github.com/mbostock/d3/wiki/Gallery
Drill down demos or examples:
- http://mbostock.github.com/d3/talk/20111116/bar-hierarchy.html
- http://mbostock.github.com/d3/talk/20111018/treemap.html
- http://mbostock.github.com/d3/talk/20111018/partition.html
- http://bost.ocks.org/mike/miserables/
- http://www.jasondavies.com/coffee-wheel/
- http://thepowerrank.com/visual/NCAA_Tournament_Predictions
- http://square.github.com/crossfilter/
- http://windhistory.com/map.html#4.00/36.00/-95.00 / http://windhistory.com/station.html?KMKT
- http://trends.truliablog.com/vis/tru247/
- http://trends.truliablog.com/vis/metro-movers/
- http://marcinignac.com/projects/open-budget/viz/index.html
- http://bl.ocks.org/3630001
- http://bl.ocks.org/1346395
- http://bl.ocks.org/1314483
- http://slodge.com/teach/
- http://tympanus.net/Tutorials/MultipleAreaChartsD3/
- http://bl.ocks.org/3287802
There are several tutorials. Here are two:
- http://www.12devsofxmas.co.uk/2012/01/data-visualisation/
- http://nickqizhu.github.com/dc.js/
And there are fiddle-like d3 editors:
http://www.d3-generator.com/
So to me, d3.js certainly seems like the best choice.
