Extensions
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.
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
SunBible
A beautiful way to read, study, and memorize the Bible
ICQ for Sidebar
Run ICQ Web in Sidebar
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
Category Tabs for Google Keep™
Better organise your Google Keep notes
Sidebar Covid Tracker
Simple Covid Tracker for Sidebar based of https://www.worldometers.info/coronavirus/
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
Bookmarks by the Side
A simple bookmarks sidebar.
Tree Tabs
Manage your tabs in the sidebar!
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
Morse Code Translator
Translate text to Morse code and back.
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
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.
TollSjekk
TollSjekk
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
ChessGrow
Give easy access to ChessGrow from sidebar.
GeoKW
Zaznacz lub wpisz numer KW, aby uzyskać informacje o działkach w tej księdze.
calcatom
Smart scientific calculator with live currency conversion in your browser
Minúta po minúte
Minúta po minúte Denníka N
Language toolkit
The missing language interface.
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
MedBizu
Bizus médicos no painel lateral do Opera. Atalhos /hda, /amoxicilina, /qsofa e mais — direto no prontuário.
Black Menu for Wikipedia
Easy access to the Wikipedia universe
CalLite CRM
CalLite CRM - Monitor Plugin
Gus EDT Extension
Extension pour utiliser le Gus-Edt
Headings, Landmarks and Links
View the headings, landmarks and links from a web page in a side panel and export information to CSV formated file.
Simple Vertical Tabs
Simple Vertical Tabs
Browse++ Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
Quick History Redux
A Redux (bug fix) for gucio1007's "Quick History". It shows your browsing history in the browser sidebar.