Extensions
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GX Calculator
Simple GX-style calculator adapts to the current colors and also reacts to keystrokes.
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
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.
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
Yandex.Translate Sidebar
This is an unoffical extensions. Yandex Translate for Opera Sidebar
Freelyshout Lite On Sidebar
This is an unoffical extensions. Freelyshout for Opera Sidebar. Freelyshout is social media platform.
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Tree Tabs
Manage your tabs in the sidebar!
MightyV Sidebar
Follow your favorite TV show. For Opera 29+ only.
ICQ for Sidebar
Run ICQ Web in Sidebar
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
Free File Sender
Free file transfer
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
Sidebar for Google™ Translate
Easy Access to Google Translate via Sidebar UI
Sidebar for YouTube™
Easy Access to YouTube via Sidebar UI
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
Monthly Prayers Timetable
Islamic Monthly Prayers Timetable with HTML5 localStorage
Todoist sidebar(Unofficial)
Opens Todoist(https://todoist.com) in the sidebar. This is an unoffical extension.
2048 Sidebar
The famous 2048 game on the Opera Sidebar.
Vertical Tabs
Manage your tabs in the sidebar!
V7 History
Access History from your Sidebar
Text to Voice
Open sidebar selected text and click in context menu 'Selected text to Speech' to listen
Blendup
A tool for web developers to preview blend modes on different page elements.
Tab Sidebar
A sidebar extension for tab management.
V7 Stash
Save pages for later reading
GTasks Sidebar
Google Tasks on sidebar (not official)
Web Panel
Navigate to websites in the sidebar.
The Stories (sidebar edition)
Smart and beautiful tool for keeping links. Create a story for every ocasion!
V7 Tabs
Sidebar windows and tabs