A Wikipedia gadget is a JavaScript user script that can be enabled simply by checking an option in your Wikipedia settings. Installed gadgets are also listed on Special:Gadgets.
Here is a list of some of the gadgets that are installed on Simple English Wikipedia.
Gadgets in this group make browsing Wikipedia easier.
Gadgets in this group are used to change the way Wikipedia looks. They usually add links, tabs, or boxes which add new functions to the pages.
These gadgets make administering Wikipedia easier. Some of the gadgets in this group can only be used by administrators.