Download of Ext Designer 1.2 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software lies within Developer Tools, more precisely IDE.
This program's bundle is identified as com.sencha.ExtDesigner. This software for Mac OS X is a product of Sencha. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The most popular version among the application users is 1.2.
From the developer:
Ext Designer is a desktop application that helps you create interfaces faster than ever in an easy-to-use, drag-and-drop environment.
Ext Designer can be used by business managers and non-programmers to create your application's interface, which can then be enhanced by developers.
You may want to check out more software for Mac, such as TurboCAD Mac Designer, Banner Designer Pro or Handheld Designer, which might be similar to Ext Designer.
IDE
Device Assistants