Ekstensi
Free File Sender
Free file transfer
ChessGrow
Give easy access to ChessGrow from sidebar.
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
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
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
GTasks Sidebar
Google Tasks on sidebar (not official)
Sidebar Covid Tracker
Simple Covid Tracker for Sidebar based of https://www.worldometers.info/coronavirus/
Site Settings Sidebar
Site specific settings on your sidebar.
TaggingNotes
Adds notes managed by tagging without hierarchized tree to sidebar.
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
Fraction Generator
Generate Fractions for copy to clipboard
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
Simple Vertical Tabs
Simple Vertical Tabs
Quick History Redux
A Redux (bug fix) for gucio1007's "Quick History". It shows your browsing history in the browser sidebar.
TollSjekk
TollSjekk
Workspace Tab Counter
A tab counter specifically for GX, which counts tabs per workspace too.
InoReader Sidebar
Mobile version Inoreader.com on sidebar (not official)
Landmarks
Allows you to navigate a web page via WAI-ARIA landmarks, using the keyboard or a pop-up menu.
SunBible
A beautiful way to read, study, and memorize the Bible
JxArşiv | Araçlar
Currency, Meter, Square, VAT, Percentage, Letter, Word Count, Age Calculation and Archives ...
Minúta po minúte
Minúta po minúte Denníka N
KJMZ DA BLAZE
Listen KJMZ DA BLAZE Radio with Opera Browser.
GETTR Sidebar
Bring your news feed from the free speech social media platform gettr.com to the Opera sidebar for quick access.
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.
Gus EDT Extension
Extension pour utiliser le Gus-Edt
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!
Blendup
A tool for web developers to preview blend modes on different page elements.