Extensions
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...
Free File Sender
Free file transfer
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
GTasks Sidebar
Google Tasks on sidebar (not official)
Browse++ Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
ICQ for Sidebar
Run ICQ Web in Sidebar
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
Site Settings Sidebar
Site specific settings on your sidebar.
TollSjekk
TollSjekk
MightyV Sidebar
Follow your favorite TV show. For Opera 29+ only.
InoReader Sidebar
Mobile version Inoreader.com on sidebar (not official)
Simple Vertical Tabs
Simple Vertical Tabs
TaggingNotes
Adds notes managed by tagging without hierarchized tree to sidebar.
Quick History Redux
A Redux (bug fix) for gucio1007's "Quick History". It shows your browsing history in the browser sidebar.
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.
Landmarks
Allows you to navigate a web page via WAI-ARIA landmarks, using the keyboard or a pop-up menu.
KJMZ DA BLAZE
Listen KJMZ DA BLAZE Radio with Opera Browser.
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.
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!
Minúta po minúte
Minúta po minúte Denníka N