Yahoo! Widgets Engine is a JavaScript runtime engine that lets you run small programs called Widgets that can perform a variety of tasks. These desktop plug-ins can perform a variety of tasks and are available from many different sources. The default installation includes a Yahoo email checker, weather forecast, desktop photo frame, day planner and more. More than a thousand additional widgets can be downloaded from the Widget Library.

The license of this software is Freeware, you can free download and free use this desktop utility software.