Kendo UI three packages:
– Kendo UI DataViz: data visualization widgets of HTML5, comprise animated charts.
– Kendo UI Mobile CTP: Kendo UI widgets preview built to solve the problems while building Mobile applications with HTML5.
During the Kendo UI release it will cost $399, including Kendo UI DataViz, Kendo UI Web, all updates and access to professional support for one year. It is under Open Source (GPLv3), commercial licenses and free commercial trial licenses are available too.
Kendo UI information