Kendo UI Core

The Open Source Kendo UI: HTML5 widgets for web and mobile development

Open Source and Free HTML5 Framework

Telerik Kendo UI® Core is the open source version of Kendo UI, the comprehensive framework for building modern web and mobile apps with HTML5 and JavaScript.

The open source package:
  • 40+ jQuery-based widgets and framework features
  • Licensed under the permissive Apache v2 license
  • Suitable for projects not requiring dedicated technical support
Get Kendo UI Core

Join the Kendo UI Core community on GitHub

Key Features

  • features-controls

    Hundreds of Scenarios Out-of-the-Box

    Kendo UI Core comes with 40+ widgets and framework features for creating HTML5 and JavaScript projects, without the worries of cross-browser compatibility, standards compliance or touch-device support.


  • Pixel-perfect-themes

    Pixel-Perfect Themes for Your Apps

    Kendo UI widgets can easily be themed and styled via CSS. The framework includes 11 out-of-the-box themes that you can customize with a point-and-click using the Theme Builder tool.


  • Ultimate JavaScript Performance

    Kendo UI was engineered with performance in mind: It comes with a templating library that performs faster than jQuery Templates, optimized animations leveraging CSS3 hardware acceleration and cutting-edge UI virtualization.


Hundreds of Scenarios Out-of-the-Box

Kendo UI Core comes with 40+ widgets and framework features for creating HTML5 and JavaScript projects, without the worries of cross-browser compatibility, standards compliance or touch-device support.

Pixel-Perfect Themes for Your Apps

Kendo UI widgets can easily be themed and styled via CSS. The framework includes 11 out-of-the-box themes that you can customize with a point-and-click using the Theme Builder tool.

Ultimate JavaScript Performance

Kendo UI was engineered with performance in mind: It comes with a templating library that performs faster than jQuery Templates, optimized animations leveraging CSS3 hardware acceleration and cutting-edge UI virtualization.

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Get Kendo UI

Kendo UI Core

Ideal for open source or commercial projects not requiring dedicated technical support or line-of-business style functionality:

  • 40+ widgets and framework features
  • No dedicated support
Get Kendo UI Core
kendo-ui-core

Kendo UI Professional

Best choice for line-of-business and professional applications requiring expert and timely technical support:

  • 70+ widgets and framework features, including Grid, Editor, Scheduler and more
  • 10 support incidents with 48h response time
Try Kendo UI Professional
kendo-ui-professional
Detailed comparison of Kendo UI packages

Next Steps

More about Kendo UI
See what additional options you have to develop applications with Kendo UI.
Launch demos
See Kendo UI in action and see how much it can do out-of-the-box.
Suggest new features
Help us shape our roadmap.