CUBA platform charts display subsystem supports various chart types: pie charts, line plots, bubble charts, radar charts, funnel charts and more. It is also possible to export charts. Most chart types support zoom and scrolling. At the moment of writing, the chart display subsystem supports only the Web Client for Vaadin7.
AmCharts library which is the basis of the chart display subsystem is distributed under a license, which allows its free use if you keep the link to the library website. Alternatively, you can purchase an AmCharts license for your project and remove the link.