We all agree that Extjs is a cool full stack web user interface and javascript framework for building rich client web application, the company creator has provided us a lot great example, but sometimes I wonder how people use it in their real project, therefore I look for some project using Extjs and here it goes
1. TomatoCart
TomatoCart is the new generation of open source shopping cart solution developed by Elootec Technology Co., Ltd. It is branched from osCommerce 3 as a separate project. Extjs used in the admin section and it be made desktop look a like, very cool, you can see the demo both the admin or the front page.

2. eXtplorer
eXtplorer is a PHP-based File Manager. It allows to browse directories, edit, copy, move, delete, search, upload and download files, create & extract archives, create new files and directories, change file permissions (chmod) and much more.

3. Ajax Image Editor
AIE (Ajax Image Editor) is a rich internet application for manipulating images online. It’s works with Mozilla Firefox and Internet Explorer. It uses HTML, JavaScript and Ext JS on client side and ImageMagick and PHP on server side.

4. Descriptive Examination System
Descriptive Examination System (DES), an online tool that tackles your test requirements with friendly interfaces. It is mainly focused on managing university/school type exams containing descriptive questions or a mix of descriptive and objective type questions. Various exam related tasks such as paper pattern creation and reuse, question paper creation, conducting the exam, evaluation of the answer sheets are made easy and online using the tool. The framework offers a number of benefits such as reuse of resources, reduction in time, effort paper work and human errors during evaluation, with the assessment of answers still being done manually. The technology based on J2EE, PostgreSQL, Tomcat and of course Extjs.

5. Kooboo CMS
Kooboo is a web CMS built based on ASP.NET MVC framework. It is designed for those organizations or people who need enterprise level content management and fast web development. Kooboo module is a ASP.NET mvc mini site, that can run as a standalone application or install into Kooboo as a module.

6. Beezilla
Beezilla CMS website builder is a simple and powerful website content management system (CMS). With Beezilla CMS website builder you can easily create your website on your own. Beezilla’s CMS interface is simple, fast and easy to use. Our technology is based on leading web technologies: Apache, PHP, MySQL and ExtJS. Beezilla Trial version is available for download.

7. Aria2Web
Aria2Web is a PHP- and Javascript-based application that allows you to control the excellent and lightweight “aria2″ over the web. That way you can use it as a download manager.

8. extTypolight
extTypolight extends Typolight with a rich internet applications, It make use of the powerfull extJs library. It changes and accelerates the way you have been using typolight. No need to switch between articles and structure view.

9. pimcore
Technologically pimcore is strictly based on the Zend Framework, the leading development framework for the PHP programming language used by 100s of companies such as Fox, IBM and bwin. Pimcore’s frontend GUI interface is 100% powered by the renown ExtJS Javascript library, which is used by companies such as Adobe, Amazon and Sony.

10. zefext
The Zefext an extended framework that integrates with PHP and ExtJS. Zend Framework-based system. The system is built on the PHP side objects, generating ExtJS javascript code.

11. ajaxora
Web-based multiple database browser (Oracle, PostgreSQL , MySQL, HSQLDB). ExtJS is used for UI, Springframework on server.
12. amun
amun is an social content managment system written in php and based on the psx framework. The code is writte in clean php 5 oop and the backend is based on ExtJS. amun is a “social” content managment system because its also an OpenSocial API container and has other social technologies implemented like OAuth and OpenID.
13. Extjs GUI Builder
A great way to build forms using the EXT Js framework.

Other Project
http://www.gerbster.nl/2009/04/presenting-cms-demo/
http://webfolio-cms.sourceforge.net/
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