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
Side Calculator
Calculator on the new sidebar of Opera.
2048 Sidebar
The famous 2048 game on the Opera Sidebar.
Sidebar for Google™ Translate
Easy Access to Google Translate via Sidebar UI
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
Google Keep Sidebar
Access to Google Keep website on the sidebar.
Google Translate Sidebar for Opera
Access Google Translator through Opera Sidebar. This extension is UNOFFICIAL, and has nothing to do with Google.
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Quick Notes
The extension allows you to quickly save text notes on the sidebar of your browser.
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
Raindrop.io - Smart Bookmarks
All-in-one bookmark manager
Web Panel
Navigate to websites in the sidebar.
V7 Notes
Old school opera notes
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
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.
Tree Tabs
Manage your tabs in the sidebar!
Todoist sidebar(Unofficial)
Opens Todoist(https://todoist.com) in the sidebar. This is an unoffical extension.
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).
Vertical Tabs
Manage your tabs in the sidebar!
V7 Stash
Save pages for later reading
V7 History
Access History from your Sidebar
V7 Extension Manager
simple extension manager for your side bar
V7 Tabs
Sidebar windows and tabs
Bookmarks by the Side
A simple bookmarks sidebar.
SimpleExtManager
A simple menu to enable, disable and access options of extensions.
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more