Thank you for posting to the Telerik Developer forums.
How to access the external libraries shipped with your Sitefinity instance is explained here - http://docs.sitefinity.com/for-developers-access-kendo-libraries-that-are-shipped-with-sitefinity
The included in your company's Sitefinity license Kendo UI library (2013.3.1119
) features a lot of the Chart widgets. However, the enhancements and features added in later Kendo UI versions would better fit the requirements for modern web apps. You can explore the Kendo UI release history here - http://www.telerik.com/support/whats-new/kendo-ui/release-history
In addition, the delivery model of Kendo UI was changed last year as follows. The main Kendo UI library is now open source and shipped as Kendo UI Core. The library that features widgets like Scheduler, Grid, Charts, etc. is shipped as the paid Kendo UI Professional product.
Let me know if this answers your question.
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