The following list contains several Opera Widgets utility libraries that we have made available for you to use in your Opera Widgets. These libraries contain several reusable functions to save you time and make life easier.
The animation library and its extension is used to animate elements. It can be used to e.g. shrink and expand elements, slide them, and fade from one color to another.
The Feed Reader Library handles reading data from one single RSS feed. The class handles periodic updating and stores read/unread status. The accompanying parsers library is used to parse the feeds.
A library to make resizable widget chrome.
The Widget Object API lets you manipulate widgets via the widget object and extensions to the window object.