Leudachain
Tree Tabs
Manage your tabs in the sidebar!
ChessGrow
Give easy access to ChessGrow from sidebar.
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.
JxArşiv | Araçlar
Currency, Meter, Square, VAT, Percentage, Letter, Word Count, Age Calculation and Archives ...
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
Free File Sender
Free file transfer
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.
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
ICQ for Sidebar
Run ICQ Web in Sidebar
Fraction Generator
Generate Fractions for copy to clipboard
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.
GTasks Sidebar
Google Tasks on sidebar (not official)
TollSjekk
TollSjekk
Simple Vertical Tabs
Simple Vertical Tabs
Gus EDT Extension
Extension pour utiliser le Gus-Edt
SunBible
A beautiful way to read, study, and memorize the Bible
KJMZ DA BLAZE
Listen KJMZ DA BLAZE Radio with Opera Browser.
Sidebar Covid Tracker
Simple Covid Tracker for Sidebar based of https://www.worldometers.info/coronavirus/
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
Site Settings Sidebar
Site specific settings on your sidebar.
GETTR Sidebar
Bring your news feed from the free speech social media platform gettr.com to the Opera sidebar for quick access.
Minúta po minúte
Minúta po minúte Denníka N
Quick History Redux
A Redux (bug fix) for gucio1007's "Quick History". It shows your browsing history in the browser sidebar.
InoReader Sidebar
Mobile version Inoreader.com on sidebar (not official)
Workspace Tab Counter
A tab counter specifically for GX, which counts tabs per workspace too.
CalLite CRM
CalLite CRM - Monitor Plugin
Landmarks
Allows you to navigate a web page via WAI-ARIA landmarks, using the keyboard or a pop-up menu.
Blendup
A tool for web developers to preview blend modes on different page elements.