Widget是由雅虎推出的免费并开放源码的桌面应用程序平台。它由Widget引擎和Widget工具两部分组成。能够极大的便利您的网络操作和完善您的桌面应用。Widget引擎提供了一个Ajax应用程序平台，在Windows和Mac OS X的操作系统环境下都可以使用。安装引擎后就能在此平台上运行各式各样的Widget工具了。

-Introduced by the Yahoo Widget is a free and open source desktop application platform. It consists of Widget engines and Widget tools of two parts. Can greatly facilitate the operation of your network and improve your desktop applications. Widget Engine provides a platform for Ajax applications, in Windows, and Mac OS X operating system environment can be used. After installation of the engine will be able to run on this platform a variety of Widget tool.