Re:Ask HN: Your favorite open-source JavaScript Library for ...
by stadeschuldt on Thursday May 19, 2016 @07:07AM
(#11729297)
I love HighCharts and use it for my open-source project at http://solarpi.tafkas.net
If you have a commercial product you have to pay for the license though.
Very clean and very good.
[1] - http://www.highcharts.com/