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Build data-intensive applications using JavaScript
Ext JS is a comprehensive JavaScript framework that lets you build cross-platform web and mobile applications for any modern device.
Data Grids Built for Enterprise-Scale Data
Load, sort, and filter millions of rows without lag – Ext JS data grid is built to handle enterprise-scale datasets in milliseconds.
Effortless Navigation with Nested Tree Views
Organize complex hierarchies – folders, categories, org charts into clean, expandable tree structures your users can navigate intuitively.
Forms Engineered for Complex Business Workflows
Create secure, responsive forms with built-in validation, error handling, and flexible layouts – ready for login flows, sign-ups, and beyond.
Accordion Layouts for Focused Information Access
Organize events into structured, expandable sections, making dense calendar information easy to navigate without overwhelming users.
The Enterprise-ready
JavaScript UI Framework
The top choice for developers building data-rich, modern web and mobile applications.
Front-end
UI Components
Upgrade Adviser
CMD
Themer
ReExt
Architect
Test
Inspector
UI/UX
Fiddle
Rapid Ext JS
IDE Plugins
GXT: Your go-to web framework for
Java development
Our comprehensive Java framework, Sencha GXT, empowers you to build feature-rich HTML5 applications using Java and GWT. With its adaptive layouts and highly optimized cross-platform HTML5 code, you can enjoy the flexibility and efficiency you deserve.
Pie Charts for Clear Data Visualization
Visualize proportions and relationships clearly, helping users understand complex business data at a glance.
Line Charts for Tracking Trends
Track trends over time with interactive line charts designed for analytics, reporting, and enterprise applications.
Column Charts for Easy Comparison
Compare values across categories with interactive column charts for clear business data visualization.
Why develop with
Sencha Ext JS?
Discover why Sencha Ext JS is trusted for building powerful enterprise applications, combining a rich component library, faster development, high performance, robust security, and seamless cross-platform compatibility.
Rich Set of UI Components
Ext JS ships 140+ pre-integrated components library covering data grids, forms, charts, navigation, layouts, helping teams build interfaces faster.
Faster Time to Market
Skip cross-browser testing and manual integration work with pre-built tools and components that accelerate production-ready app delivery.
Secure Framework
Protect mission-critical applications with a proprietary framework engineered for safety, data integrity, and controls in demanding environments.
High Productivity
Standardize development with reusable components, consistent patterns, and integrated tooling that streamline development, debugging, testing, and maintenance.
Performance
Process data over 300x faster than competing frameworks using Ext JS’s object-oriented architecture built for enterprise-scale performance.
Platform & Browser Support
Tested across major browsers and platforms – web, mobile, tablets, and desktop with layouts adapting seamlessly to screens.
4.1 / 5
Security & Compliance
Explore production-ready
ReExt-Powered Apps
Explore real-world React applications built with ReExt, showcasing powerful components, seamless interactions, scalable architecture, and the performance needed to deliver modern, production-ready digital experiences.
Financial Dashboard
Track KPIs, timelines, and key tasks in one powerful financial dashboard. Visualize data through charts and grids for smarter project decisions.
Suma Campus
An EdApp built to simplify student placements in foreign universities. Manage courses, fees, eligibility, and student progress—all in one dashboard.
Inventory
Streamline warehouse and stock management with this smart inventory app. Visualize assets, track supplies, and control movement in real time.
Crypto Insights
A crypto dashboard offering live data insights, currency tracking, and market analysis. Built to simplify digital asset monitoring
Financial Dashboard
Track KPIs, timelines, and key tasks in one powerful financial dashboard. Visualize data through charts and grids for smarter project decisions.
Tired of unsecured open-source UI frameworks putting your business at risk?
Learn the difference between proprietary and open-source JavaScript UI frameworks. We break down all the myths and misconceptions.
Ready to dive in?
Here’s how to get started building powerful apps with Sencha
Demos and training
Explore product demos,
training resources, and extensive,
well-structured documentation.
Discover videos,
tutorials,
blogs, and examples of building UI
components with the Kitchen Sink.
Hassle-free licensing
Simple and straightforward licenses include no hidden
fees, guaranteed. Visit our store to learn more about
Sencha licensing,
authorized resellers, and
OEM licensing.
Compare options and easily
renew licenses.
Dedicated support
Enjoy truly unlimited dedicated support with our
support portal,
Sencha forum (knowledge base),
Community, and
Discord channel.