Ext JS有丰富的生态系统：组件，工具以及其他分布在各种不同的媒体中的资源.
单元测试
- Testing Enterprise Applications with Selenium and HTML5 Robot (Sencha 博客)
- How to Unit Test Your Apps with Siesta (June 2014 Webinar)
- Building Unit Tests for Sencha Apps (January 2013 Webinar)
- Automating Unit Tests (Sencha 博客)
- UI Testing a Sencha App (Sencha 博客)
最佳范例
- Best Practices for Sencha Javascript Applications (November 2013 Webinar)
- Top Ten Ext JS Practices to Avoid (Sencha 博客)
- Integrating Ext JS with 3rd Party Libraries (Sencha 博客)
调试
- App Inspector for Sencha (Sencha 博客)
- Illuminations for Developers (Sencha 博客)
- Using GapDebug to test Hybrid Web Apps Built with Sencha Frameworks (Sencha 博客)
平台集成
- Creating Native Windows 8 Apps with Ext JS 5 (Sencha 博客)
- PhoneGap and Cordova (Sencha 博客)
- Microsoft Azure (Sencha 博客)
- Salesforce REST API
IDE 支持
- Sencha Eclipse Plugin (Sencha 博客)
- Sublime Text