Extensions
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
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
V7 Notes
Old school opera notes
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Yandex.Translate Sidebar
This is an unoffical extensions. Yandex Translate for Opera Sidebar
Simple Notes
Simple notes in a panel, with a context menu item to copy text to a note.
Web Panel
Navigate to websites in the sidebar.
Raindrop.io - Smart Bookmarks
All-in-one bookmark manager
V7 Sessions
Sidebar session manager
Vertical Tabs
Manage your tabs in the sidebar!
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Tab Sidebar
A sidebar extension for tab management.
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).
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
TickTick for Opera Sidebar (Unofficial Extension)
TickTick for Opera Sidebar. Unofficial Extension
Free File Sender
Free file transfer
V7 Stash
Save pages for later reading
Tree Tabs
Manage your tabs in the sidebar!
V7 Tabs
Sidebar windows and tabs
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
V7 Extension Manager
simple extension manager for your side bar
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...