前端图表库

https://echarts.baidu.com/index.html

https://www.highcharts.com.cn/

http://dygraphs.com/
https://www.php-open.org/op37488.html
http://www.flotcharts.org/
http://www.flotcharts.org/flot/examples/series-pie/index.html
http://www.jqplot.com/
https://gionkunz.github.io/chartist-js/
https://c3js.org/
https://zurb.com/playground/pizza-pie-charts
http://mbostock.github.io/protovis/
https://atomist.com/

python图表库

https://matplotlib.org/
https://bokeh.pydata.org/en/latest/