The Fastest JavaScript Grid

plus 140+ High Performing UI Components to Build Stunning Apps

Ext JS Grid - Learn more Ext JS 7.4 has arrived

Design. Develop. Test.

Ext JS

Ext JS is a JavaScript framework that enables developers to build web apps for any modern device. It includes 140+ fully supported components that easily integrate with React and Angular.

Learn more about Ext JS

ExtReact

ExtReact provides the most complete set of 140+ professionally tested and commercially supported UI components that you can easily integrate into your React apps.

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ExtAngular

ExtAngular provides the most complete set of 140+ professionally tested and commercially supported UI components that you can easily integrate into your Angular apps.

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GXT

Java framework that enables developers to build feature-rich web apps for any modern device using GWT, and includes high-performance components that are completely customizable.

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Sencha Test

The most comprehensive unit and end-to-end testing solution for Ext JS, including support for end-to-end testing of ExtAngular, Angular, ExtReact and React apps.

Learn more about Sencha Test

WebTestIt

A FREE lightweight IDE tool optimized for building UI web tests with Selenium or Protractor. Increase productivity and automate testing locally or in the cloud.

Learn more about WebTestIt

“We use Ext JS, Sencha Touch and Sencha Cmd to build rich, native-like apps with a superior user experience that solve business problems in an uncompromising way.”
Rouslan Zenetl
Director of Application Development,
National Hockey League
“The decision to use Ext JS was easy. We preferred to sit on Sencha’s shoulders and call ourselves tall, rather than reinvent the wheel. Ext JS allows our teams to focus on our strengths – delivering marketing and business intelligence solutions for the commercial real estate industry.”
Chris Babcock
Chief Technology Officer,
Real Capital Markets
“The Ext JS component library is both extremely feature complete and extensible; the grid is unmatched by any other framework for large datasets. By leveraging Ext JS Charts, we enable our customers to build complex yet intuitive visualisations and dashboards of their data to gain valuable insights.”
Richard Milone
Managing Partner,
CNX Corporation
“With the combination of an easy upgrade path and new features including MVVM architecture, touch events and charting enhancements, Ext JS is the best way for us to build desktop and tablet apps with a single codebase.”
Rob Boerman
Co-founder and CTO,
Governance.io
“The Ext JS tablet support increases our productivity because we can deliver tablet versions of custom desktop apps to our customers simultaneously and with very little incremental effort.”
Steve Drucker
Founder and President,
Fig Leaf Software