10 best free chart APIs

1.google Chart
http://code.google.com/p/javagooglechart/

2.Flot
http://code.google.com/p/flot/

3.Open Flash Chart
http://teethgrinder.co.uk/open-flash-chart/

4.AmCharts
http://www.amcharts.com/

5.PlotKit
http://www.liquidx.net/plotkit/

6.Flotr
http://solutoire.com/flotr/

7.PHP/SWF
http://www.maani.us/charts/index.php

8.Visifire
http://www.visifire.com/

9.FusionCharts
http://www.fusioncharts.com/Free/

10.JFreeChart
http://www.jfree.org/jfreechart/


呼呼!! 還真多~~~
memo一下，或許之後有機會，會用的到~~