Do I need a Highcharts license to use the HyJavaImages Library?
To render Highcharts chart images, the HyJavaImages library requires a commercial or free Non-commercial license for the Highcharts JavaScript library.
To render Highcharts Stock chart images, the HyJavaImages library requires a commercial or free Non-commercial license for the Highcharts Stock JavaScript library.
Please refer to the Highcharts license page for further details.