UI/UX Tools

Complete UI development toolkits for .NET and JavaScript.
Build and test better apps faster for all form factors—web, mobile, desktop and cross-platforms.

UI Components
Kendo UI

The only JavaScript UI toolbox you will ever need, Kendo UI helps developers easily build complex web apps with native UI components for Angular, React, Vue and jQuery.

Telerik DevCraft

Deliver awesome UI with a rich .NET and JavaScript toolbox.
Build HTML5 and .NET apps with 1250+
blazing-fast UI controls and powerful reporting and productivity tools.


Control the look and feel of your UI components to fit any brand or application styles. ThemeBuilder is here to help you style your Telerik and Kendo UI components to perfectly match your design requirements.

application Testing
Test Studio

Automate UI, load and performance testing for web, desktop and mobile.

Web Debugging
Fiddler Everywhere

Capture, inspect, monitor all HTTP(S) traffic between your computer and the internet with Fiddler HTTP(S) proxy supporting macOS, Windows and Linux.