拡張機能
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...
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
Free File Sender
Free file transfer
Tab Sidebar
A sidebar extension for tab management.
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
Site Settings Sidebar
Site specific settings on your sidebar.
tabzen
Too many open tabs? Manage your tabs, regain your sanity and improve your browsing experience with tabzen
Browse++ Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
MightyV Sidebar
Follow your favorite TV show. For Opera 29+ only.
ICQ for Sidebar
Run ICQ Web in Sidebar
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
GTasks Sidebar
Google Tasks on sidebar (not official)
TollSjekk
TollSjekk
Hackernews Sidebar
Loads up Dharmesh Patels's excellent Web App for Hackernews on the Sidebar
KJMZ DA BLAZE
Listen KJMZ DA BLAZE Radio with Opera Browser.
InoReader Sidebar
Mobile version Inoreader.com on sidebar (not official)
Simple Bookmark Sidebar
This extension shows your bookmarks in Opera's sidebar.
TaggingNotes
サイドバーにタグ付け型のメモ機能を追加します。
Simple Vertical Tabs
Simple Vertical Tabs
Quick History Redux
A Redux (bug fix) for gucio1007's "Quick History". It shows your browsing history in the browser sidebar.
Blendup
A tool for web developers to preview blend modes on different page elements.
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!
Techmeme Sidebar
Browse technology news on Techmeme in the sidebar.
Freelyshout Lite On Sidebar
This is an unoffical extensions. Freelyshout for Opera Sidebar. Freelyshout is social media platform.