Mga extension
Category Tabs for Google Keep™
Better organize your Google Keep notes
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
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
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Bookmarks by the Side
A simple bookmarks sidebar.
Tree Tabs
Manage your tabs in the sidebar!
Simple Vertical Tabs
Simple Vertical Tabs
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...
GeoKW
Zaznacz lub wpisz numer KW, aby uzyskać informacje o działkach w tej księdze.
Shortcuts for Google™
Choose from 1000+ Google™ shortcuts to show up as buttons in a space-saving popup
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
ChessGrow
Give easy access to ChessGrow from sidebar.
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
Browse++ Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
Navvatart VerTabs
Modern vertical tab manager with multi-group support, drag and drop, and smooth animations. By Navvatart
GTasks Sidebar
Google Tasks on sidebar (not official)
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
CalLite CRM
CalLite CRM - Monitor Plugin
Black Menu for Wikipedia
Easy access to the Wikipedia universe
Workspace Tab Counter
A tab counter specifically for GX, which counts tabs per workspace too.
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
Gus EDT Extension
Extension pour utiliser le Gus-Edt
TollSjekk
TollSjekk
Minúta po minúte
Minúta po minúte Denníka N
ICQ for Sidebar
Run ICQ Web in Sidebar
Sidebar Covid Tracker
Simple Covid Tracker for Sidebar based of https://www.worldometers.info/coronavirus/
InoReader Sidebar
Mobile version Inoreader.com on sidebar (not official)
Fraction Generator
Generate Fractions for copy to clipboard
SunBible
A beautiful way to read, study, and memorize the Bible
Quick History Redux
A Redux (bug fix) for gucio1007's "Quick History". It shows your browsing history in the browser sidebar.