Extensions
Tree Tabs
Manage your tabs in the sidebar!
uMatrix
Pointez-et-cliquez pour interdire/autoriser toute sorte de requêtes effectuées par le navigateur à l'aide d'un tableau de données.
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
Bookmarks by the Side
Une simple sidebar pour signets
Google Messages for Opera Sidebar
This Add-On allows you to send text messages from your Opera Browser, to anyone you want.
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
Free File Sender
Free file transfer
ChessGrow
Give easy access to ChessGrow from sidebar.
Simple Vertical Tabs
Simple Vertical Tabs
TollSjekk
TollSjekk
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.
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.
Site Settings Sidebar
Site specific settings on your sidebar.
Sidebar Covid Tracker
Simple Covid Tracker for Sidebar based of https://www.worldometers.info/coronavirus/
Fraction Generator
Generate Fractions for copy to clipboard
Minúta po minúte
Minúta po minúte Denníka N
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
Quick History Redux
A Redux (bug fix) for gucio1007's "Quick History". It shows your browsing history in the browser sidebar.
CalLite CRM
CalLite CRM - Monitor Plugin
Workspace Tab Counter
A tab counter specifically for GX, which counts tabs per workspace too.
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
SunBible
A beautiful way to read, study, and memorize the Bible
InoReader Sidebar
Mobile version Inoreader.com on sidebar (not official)
ICQ for Sidebar
Run ICQ Web in Sidebar
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.
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!
GETTR Sidebar
Bring your news feed from the free speech social media platform gettr.com to the Opera sidebar for quick access.
Gus EDT Extension
Extension pour utiliser le Gus-Edt