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In addition to chartjs which has already been mentioned, we like http://www.highcharts.com/ http://www.highcharts.com/ Free for non-commercial, $99 per website
by sfeather 11y ago
In addition to chartjs which has already been mentioned, we like http://www.highcharts.com/ http://www.highcharts.com/
Free for non-commercial, $99 per website, and about $500 for most other uses.
The API is clean and easy to learn. Their support has always been top notch for us.