5个开源、免费的FLASH Chart组件,包.
Open Flash Chart
Open Flash Chart is an open source project(a Flash charting component) started by John Glazebrook to provide flash charts that can be embedded in web pages.It is fairly easy to setup and has classes written in PHP, Perl, Python, Java, Ruby on Rails, and .Net to connect to the Chart. You can create some really nice looking Bar Charts, Pie Charts, Area Charts and etc. It isn’t as flashy as any of these products, but that tends to be a good thing for charting components.
*You can also find Open Flash Chart Plugin for Ruby on Rails from >>>here.
AmCharts
AmCharts are animated interactive flash charts include Pie Charts, Line Charts, Scatter/Bubble Charts, Bar/Column Charts, and even a stock chart. AmCharts are platform independent , they read data and settings from XML or CSV files. All the charts are free but they have a link to AmCharts on the upper left.
XML/SWF Charts
XML/SWF Charts is a very nice tool for creating attractive charts. include bar charts, pie charts, line charts & more.
PHP/SWF Charts
PHP/SWF Charts is simple yet powerful tool to create attractive web charts and graphs from dynamic data. Using PHP to gather the data and put it into flash. It supports many charts types, Line, Column, Stacked column, Floating column, 3D column, Stacked 3D column, Parallel 3D column, Pie, 3D Pie, Bar, Stacked bar, Floating bar, Area, Stacked area, Candlestick, Scatter, Polar, Mixed, Composite and Joined. These Charts have some great features like Animated transitions, Printable charts, and more.
Google Chart API
Big company’s product and not a component or library. It seems more simple than all above but the same useful. You can get a PNG-format image in response to a URL from Google Chart API. Line, bar, and pie charts can be generated. You can easily include a Chart API image in a webpage by embedding a URL within an <img> tag.
来自：http://ntt.cc/2008/07/02/5-plus-free-flash-charting-component-or-library-help-you-to-convert-your-scores-and-finances-into-attractive-animated-graphical-charts.html