LiveGap Charts Builder  | free online tool (No registeration Or download)
it easy. enter your data into the spreadsheet. and the chart is updated on real time.
with More than 9 types of charts (line-area-bar-pie-polar area-radar-doughnut)
lot of settings to customize your chart with it (colors-text-fonts-legend and alot of settings).
you can also start with a  chart from the gallery . then change what you want
save you chart as animated chart (HTML) Or  Static Image.

website: http://charts.livegap.com