Leudachain
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
Translator
Translate selected or entered text
Sidebar for YouTube™
Easy Access to YouTube via Sidebar UI
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
GX Calculator
Simple GX-style calculator adapts to the current colors and also reacts to keystrokes.
2048 Sidebar
The famous 2048 game on the Opera Sidebar.
Side Calculator
Calculator on the new sidebar of Opera.
Sidebar for Google™ Translate
Easy Access to Google Translate via Sidebar UI
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
V7 Bookmarks
Bookmarks manager in your sidebar
Text to Voice
Open sidebar selected text and click in context menu 'Selected text to Speech' to listen
Simple Notes
Simple notes in a panel, with a context menu item to copy text to a note.
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
V7 Notes
Old school opera notes
Raindrop.io - Smart Bookmarks
All-in-one bookmark manager
Web Panel
Navigate to websites in the sidebar.
Yandex.Translate Sidebar
This is an unoffical extensions. Yandex Translate for Opera Sidebar
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
V7 Sessions
Sidebar session manager
Vertical Tabs
Manage your tabs in the sidebar!
Todoist sidebar(Unofficial)
Opens Todoist(https://todoist.com) in the sidebar. This is an unoffical extension.
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
V7 Stash
Save pages for later reading
V7 Tabs
Sidebar windows and tabs
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
GIKRadio
The extension allows you to listen GIKRadio directly in the browser. Walk on the Internet and listen good music! Request Song from sidebar (press CTRL+SHIFT+S).
V7 Extension Manager
simple extension manager for your side bar
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
Bookmarks by the Side
A simple bookmarks sidebar.
Tree Tabs
Manage your tabs in the sidebar!
V7 History
Access History from your Sidebar
Tab Sidebar
A sidebar extension for tab management.