Extensions
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
Tree Tabs
Manage your tabs in the sidebar!
Free File Sender
Free file transfer
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
Sidebar Covid Tracker
Simple Covid Tracker for Sidebar based of https://www.worldometers.info/coronavirus/
Language toolkit
The missing language interface.
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...
Bookmarks by the Side
A simple bookmarks sidebar.
GeoKW
Zaznacz lub wpisz numer KW, aby uzyskać informacje o działkach w tej księdze.
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
Tabsets.net
Use the tabsets.net browser extension to safely keep track all your tabs and links in the Side Panel, locally or in the cloud
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
calcatom
Smart scientific calculator with live currency conversion in your browser
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Simple Vertical Tabs
Simple Vertical Tabs
Shortcuts for Google™
Choose from 1000+ Google™ shortcuts to show up as buttons in a space-saving popup
ChessGrow
Give easy access to ChessGrow from sidebar.
Morse Code Translator
Translate text to Morse code and back.
Navvatart VerTabs
Modern vertical tab manager with multi-group support, drag and drop, and smooth animations. By Navvatart
Browse++ Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
TollSjekk
TollSjekk
ICQ for Sidebar
Run ICQ Web in Sidebar
Black Menu for Wikipedia
Easy access to the Wikipedia universe
SunBible
A beautiful way to read, study, and memorize the Bible
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.
CalLite CRM
CalLite CRM - Monitor Plugin
Fraction Generator
Generate Fractions for copy to clipboard
Workspace Tab Counter
A tab counter specifically for GX, which counts tabs per workspace too.
GTasks Sidebar
Google Tasks on sidebar (not official)