Leudachain
Translator
Translate selected or entered text
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
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 Sticky Note
Free HTML5 Sidebar Sticky Notes
Sidebar for Google™ Translate
Easy Access to Google Translate via Sidebar UI
Text to Voice
Open sidebar selected text and click in context menu 'Selected text to Speech' to listen
V7 Bookmarks
Bookmarks manager in your sidebar
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
V7 Notes
Old school opera notes
Simple Notes
Simple notes in a panel, with a context menu item to copy text to a note.
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
Vertical Tabs
Manage your tabs in the sidebar!
V7 Sessions
Sidebar session manager
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
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.
Tree Tabs
Manage your tabs in the sidebar!
Bookmarks by the Side
A simple bookmarks sidebar.
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
V7 Extension Manager
simple extension manager for your side bar
Free File Sender
Free file transfer
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
V7 History
Access History from your Sidebar
V7 Stash
Save pages for later reading
Tab Sidebar
A sidebar extension for tab management.
V7 Tabs
Sidebar windows and tabs