Mga extension
Sudoku Sidebar
Play Sudoku on Sidebar anytime in your browser! even offline!
Category Tabs for Google Keep™
Better organize your Google Keep notes
Mod randomizer
Randomly enables a mod and disables other mods. Can automatically identify mods.
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Shortcuts for Google™
Choose from 1000+ Google™ shortcuts to show up as buttons in a space-saving popup
Tree Tabs
Manage your tabs in the sidebar!
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
calcatom
Smart Scientific Calculator & Live Currency Converter
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...
Simple Vertical Tabs
Simple Vertical Tabs
Bookmarks by the Side
A simple bookmarks sidebar.
ChessGrow
Give easy access to ChessGrow from sidebar.
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
Navvatart VerTabs
Modern vertical tab manager with multi-group support, drag and drop, and smooth animations. By Navvatart
Quick History Redux
A Redux (bug fix) for gucio1007's "Quick History". It shows your browsing history in the browser sidebar.
Sidebar Covid Tracker
Simple Covid Tracker for Sidebar based of https://www.worldometers.info/coronavirus/
Black Menu for Wikipedia
Easy access to the Wikipedia universe
CalLite CRM
CalLite CRM - Monitor Plugin
ICQ for Sidebar
Run ICQ Web in Sidebar
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.
GTasks Sidebar
Google Tasks on sidebar (not official)
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
TollSjekk
TollSjekk
Browse++ Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
GeoKW
Zaznacz lub wpisz numer KW, aby uzyskać informacje o działkach w tej księdze.
Gus EDT Extension
Extension pour utiliser le Gus-Edt
Fraction Generator
Generate Fractions for copy to clipboard
SunBible
A beautiful way to read, study, and memorize the Bible
Workspace Tab Counter
A tab counter specifically for GX, which counts tabs per workspace too.