JavaScript and Java UI development framework

The most complete JS UI framework for enterprise applications

Build robust, high-performance, data-rich applications with Ext JS, ReExt and GXT — production-ready frameworks for complex, cross-platform web and mobile applications.

140+ UI components MVC / MVVM architecture Cross-platform (web, mobile, desktop) Proprietary, secure framework
ORDERCUSTOMERAMOUNTSTATUS
#48213Acme Corp€12,450COMPLETED
#48214Nordic Ltd€8,760IN PROGRESS
#48215Globex Inc€21,330COMPLETED
#48216Initech€5,120IN PROGRESS
#48217Umbrella€16,900COMPLETED

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Products

Three frameworks, one ecosystem for interface development

JAVASCRIPT FRAMEWORK

Ext JS

The developer’s top choice for building modern, data-rich web and mobile applications. Over 140 pre-integrated, high-performance components ready for large data sets.

REACT UI COMPONENTS

ReExt

Turn Ext JS components into scalable, high-performance, production-ready React applications. Ideal for teams building modern React projects on proven Sencha technology.

JAVA FRAMEWORK

GXT

A comprehensive Java framework that lets you build feature-rich HTML5 applications using Java and GWT, with customizable layouts and highly optimized cross-platform code.

Why Sencha Ext JS

Interface development without compromise

UI

A rich set of UI components

Over 140 pre-integrated, high-performance components with built-in themes for easy usability on large data sets.

+100h

High productivity

Save more than 100 hours building and maintaining components. Speed up coding, debugging, testing and deployment with IDE and editor plugins.

Faster time to market

Eliminate cross-browser and cross-platform testing. Build and ship applications faster with Themer, Fiddle, Inspector, Architect and Sencha Test.

Performance

Lightning-fast data processing, up to 300x faster than other vendors. Object-oriented approach with support for MVC and MVVM architecture.

🔒

A secure framework

Protect business-critical applications. A proprietary UI framework ensures security and integrity, eliminating the risks of open-source solutions.

Platform and browser support

Tested across a wide range of browsers and platforms (web, mobile, desktop), adaptable to different screen sizes with a consistent, professional look.

Ext JS Data Grid

Unmatched data processing speed

Experience lightning-fast data processing capable of loading and manipulating massive data sets in milliseconds. Built for web and mobile applications, ensuring seamless performance on every modern device.

300x

faster than other vendors

140+

pre-integrated components

100+h

of development time saved

Java development teams

GXT — your Java web development framework

A comprehensive Java framework that lets you build feature-rich HTML5 applications using Java and GWT (Google Web Toolkit). Enjoy the flexibility and efficiency you deserve, with customizable layouts and highly optimized cross-platform code.

GXT is especially well suited for teams already developing in Java who want to keep their existing skills while delivering modern, responsive web interfaces.

LanguageJava + GWT
OutputHTML5, cross-platform
LayoutsAdaptive layout system
License typeProprietary, commercial
Ideal forEnterprise Java teams

Getting started

Ready to work with Sencha?

Demos and training

Explore product demonstrations, training resources and extensive, well-structured documentation, videos, tutorials and UI component examples.

Simple licensing

Simple, transparent licenses with no hidden costs, guaranteed. Learn more about Sencha licensing, authorized resellers and OEM licensing.

Dedicated support

Enjoy unlimited, dedicated support through the support portal, Sencha forums, community and Discord channel.

Try it for free

Your fully functional 30-day evaluation is just one click away. Discover why Sencha Ext JS is developers’ first choice for data-rich enterprise applications.