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
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.
Twitter Lite Sidebar (Unofficial)
Access Twitter Lite through Opera Sidebar. This is an UNOFFICIAL extensions.
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
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
uMatrix
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Raindrop.io - Smart Bookmarks
"Save Button" for Web
V7 Sessions
Sidebar session manager
V7 Notes
Old school opera notes
Web Panel
Navigate to websites in the sidebar.
Yandex.Translate Sidebar
This is an unoffical extensions. Yandex Translate for Opera Sidebar
Sidebar for Google™ Search
Easy Access to Google search via Sidebar UI
Simple Notes
Simple notes in a panel, with a context menu item to copy text to a note.
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 History
Access History from your Sidebar
Tree Tabs
Manage your tabs in the sidebar!
V7 Stash
Save pages for later reading
Bookmarks by the Side
A simple bookmarks 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