Official Opera libraries
The animation library and its extension is used to animate elements.
The Base 64 Encoder Library is used to convert a string to base 64.
The Calendar Library is used to generate markup for displaying a calendar.
The Calendar Events library handles calendar events.
The Counter Library can be used to make a counter that either counts up or down.
The Feed Reader Library handles reading data from one single RSS feed.
The File I/O API provides you with functionality needed to access data on the desktop from widgets.
The Graph Library eases the creation and display of different data.
The Multi Page Help library provides a way to create a help system that can consits of several different pages.
The Scraper library is used to scrape a webpage for content.
The tooltip library lets you assign a tooltip to any element on your webpage.
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.
