Extensions
V7 Tabs
Sidebar windows and tabs
V7 Stash
Save pages for later reading
Tab Sidebar
A sidebar extension for tab management.
ICQ for Sidebar
Run ICQ Web in Sidebar
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
Site Settings Sidebar
Site specific settings on your sidebar.
MightyV Sidebar
Follow your favorite TV show. For Opera 29+ only.
Browse++ Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
GTasks Sidebar
Google Tasks on sidebar (not official)
KJMZ DA BLAZE
Listen KJMZ DA BLAZE Radio with Opera Browser.
TollSjekk
TollSjekk
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
InoReader Sidebar
Mobile version Inoreader.com on sidebar (not official)
Quick History Redux
A Redux (bug fix) for gucio1007's "Quick History". It shows your browsing history in the browser sidebar.
Simple Vertical Tabs
Simple Vertical Tabs
TaggingNotes
Adds notes managed by tagging without hierarchized tree to sidebar.
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.
Blendup
A tool for web developers to preview blend modes on different page elements.
Freelyshout Lite On Sidebar
This is an unoffical extensions. Freelyshout for Opera Sidebar. Freelyshout is social media platform.