GXT is a comprehensive Java framework for building web apps using the GWT (formerly Google Web Toolkit) compiler, allowing developers to write apps in Java & compile their code into highly optimized cross-platform HTML5 code.

Ext JS is a comprehensive JavaScript framework that lets you build cross-platform web and mobile applications for any modern device.

Sencha Test is the most comprehensive unit and end-to-end testing solution for Ext JS, including support for end-to-end testing of React apps. Deliver high quality apps and reduce testing time & cost with Sencha Test

Complete UI asset kit for Adobe Illustrator, Adobe XD, Sketch, and Balsamiq with all of the components and styles to design Ext JS apps.

Build stunning React web apps 40% faster with 140+ enterprise‑grade UI components.