Download from echarts.baidu.com
npm install echarts --save
ECharts-GL is an extension pack of ECharts, which provides 3D plots, globe visualization and WebGL acceleration.
Get from https://github.com/ecomfe/echarts-gl
npm install echarts-gl --save
leaflet-echarts by wandergis
arcgis-echarts by wandergis
echarts-leaflet by gnijuohz
ol3Echarts by sakitam-fdd
Check this tutorial Create Custom Build of ECharts please.
ECharts is available under the BSD 3 license.