拡張機能
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Tree Tabs
Manage your tabs in the sidebar!
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
PageExpand
画像の一括ダウンロード、画像のポップアップ、サムネイルやビデオの展開、短縮URLの展開、URL文字列のリンク化、リファラ置換、主要掲示板の拡張表示など...
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
ChessGrow
Give easy access to ChessGrow from sidebar.
SimpleExtManager
拡張機能のアクセス権限をシンプルなメニューを用いて有効化・無効化することができます。
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
Simple Vertical Tabs
Simple Vertical Tabs
Free File Sender
Free file transfer
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
TollSjekk
TollSjekk
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.
ICQ for Sidebar
Run ICQ Web in Sidebar
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
Site Settings Sidebar
Site specific settings on your sidebar.
Workspace Tab Counter
A tab counter specifically for GX, which counts tabs per workspace too.
Fraction Generator
Generate Fractions for copy to clipboard
SunBible
A beautiful way to read, study, and memorize the Bible
Browse++ Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
Minúta po minúte
Minúta po minúte Denníka N
CalLite CRM
CalLite CRM - Monitor Plugin
GTasks Sidebar
Google Tasks on sidebar (not official)
KJMZ DA BLAZE
Listen KJMZ DA BLAZE Radio with Opera Browser.
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)
GETTR Sidebar
Bring your news feed from the free speech social media platform gettr.com to the Opera sidebar for quick access.
Landmarks
Allows you to navigate a web page via WAI-ARIA landmarks, using the keyboard or a pop-up menu.
Gus EDT Extension
Extension pour utiliser le Gus-Edt
Blendup
A tool for web developers to preview blend modes on different page elements.
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.